X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=libf2c%2Fchanges.netlib;fp=libf2c%2Fchanges.netlib;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=4ec0e7f58253d259fb4c0ca4caab07bfe895d04c;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libf2c/changes.netlib b/libf2c/changes.netlib deleted file mode 100644 index 4ec0e7f5..00000000 --- a/libf2c/changes.netlib +++ /dev/null @@ -1,3026 +0,0 @@ -31 Aug. 1989: - 1. A(min(i,j)) now is translated correctly (where A is an array). - 2. 7 and 8 character variable names are allowed (but elicit a - complaint under -ext). - 3. LOGICAL*1 is treated as LOGICAL, with just one error message - per LOGICAL*1 statement (rather than one per variable declared - in that statement). [Note that LOGICAL*1 is not in Fortran 77.] - Like f77, f2c now allows the format in a read or write statement - to be an integer array. - -5 Sept. 1989: - Fixed botch in argument passing of substrings of equivalenced -variables. - -15 Sept. 1989: - Warn about incorrect code generated when a character-valued -function is not declared external and is passed as a parameter -(in violation of the Fortran 77 standard) before it is invoked. -Example: - - subroutine foo(a,b) - character*10 a,b - call goo(a,b) - b = a(3) - end - -18 Sept. 1989: - Complain about overlapping initializations. - -20 Sept. 1989: - Warn about names declared EXTERNAL but never referenced; -include such names as externs in the generated C (even -though most C compilers will discard them). - -24 Sept. 1989: - New option -w8 to suppress complaint when COMMON or EQUIVALENCE -forces word alignment of a double. - Under -A (for ANSI C), ensure that floating constants (terminated -by 'f') contain either a decimal point or an exponent field. - Repair bugs sometimes encountered with CHAR and ICHAR intrinsic -functions. - Restore f77's optimizations for copying and comparing character -strings of length 1. - Always assume floating-point valued routines in libF77 return -doubles, even under -R. - Repair occasional omission of arguments in routines having multiple -entry points. - Repair bugs in computing offsets of character strings involved -in EQUIVALENCE. - Don't omit structure qualification when COMMON variables are used -as FORMATs or internal files. - -2 Oct. 1989: - Warn about variables that appear only in data stmts; don't emit them. - Fix bugs in character DATA for noncharacter variables -involved in EQUIVALENCE. - Treat noncharacter variables initialized (at least partly) with -character data as though they were equivalenced -- put out a struct -and #define the variables. This eliminates the hideous and nonportable -numeric values that were used to initialize such variables. - Treat IMPLICIT NONE as IMPLICIT UNDEFINED(A-Z) . - Quit when given invalid options. - -8 Oct. 1989: - Modified naming scheme for generated intermediate variables; -more are recycled, fewer distinct ones used. - New option -W nn specifies nn characters/word for Hollerith -data initializing non-character variables. - Bug fix: x(i:min(i+10,j)) used to elicit "Can't handle opcode 31 yet". - Integer expressions of the form (i+const1) - (i+const2), where -i is a scalar integer variable, are now simplified to (const1-const2); -this leads to simpler translation of some substring expressions. - Initialize uninitialized portions of character string arrays to 0 -rather than to blanks. - -9 Oct. 1989: - New option -c to insert comments showing original Fortran source. - New option -g to insert line numbers of original Fortran source. - -10 Oct. 1989: - ! recognized as in-line comment delimiter (a la Fortran 88). - -24 Oct. 1989: - New options to ease coping with systems that want the structs -that result from COMMON blocks to be defined just once: - -E causes uninitialized COMMON blocks to be declared Extern; -if Extern is undefined, f2c.h #defines it to be extern. - -ec causes a separate .c file to be emitted for each -uninitialized COMMON block: COMMON /ABC/ yields abc_com.c; -thus one can compile *_com.c into a library to ensure -precisely one definition. - -e1c is similar to -ec, except that everything goes into -one file, along with comments that give a sed script for -splitting the file into the pieces that -ec would give. -This is for use with netlib's "execute f2c" service (for which --ec is coerced into -e1c, and the sed script will put everything -but the COMMON definitions into f2c_out.c ). - -28 Oct. 1989: - Convert "i = i op ..." into "i op= ...;" even when i is a -dummy argument. - -13 Nov. 1989: - Name integer constants (passed as arguments) c__... rather -than c_... so - common /c/stuff - call foo(1) - ... -is translated correctly. - -19 Nov. 1989: - Floating-point constants are now kept as strings unless they -are involved in constant expressions that get simplified. The -floating-point constants kept as strings can have arbitrarily -many significant figures and a very large exponent field (as -large as long int allows on the machine on which f2c runs). -Thus, for example, the body of - - subroutine zot(x) - double precision x(6), pi - parameter (pi=3.1415926535897932384626433832795028841972) - x(1) = pi - x(2) = pi+1 - x(3) = 9287349823749272.7429874923740978492734D-298374 - x(4) = .89 - x(5) = 4.0005 - x(6) = 10D7 - end - -now gets translated into - - x[1] = 3.1415926535897932384626433832795028841972; - x[2] = 4.1415926535897931; - x[3] = 9.2873498237492727429874923740978492734e-298359; - x[4] = (float).89; - x[5] = (float)4.0005; - x[6] = 1e8; - -rather than the former - - x[1] = 3.1415926535897931; - x[2] = 4.1415926535897931; - x[3] = 0.; - x[4] = (float)0.89000000000000003; - x[5] = (float)4.0004999999999997; - x[6] = 100000000.; - - Recognition of f77 machine-constant intrinsics deleted, i.e., -epbase, epprec, epemin, epemax, eptiny, ephuge, epmrsp. - -22 Nov. 1989: - Workarounds for glitches on some Sun systems... - libf77: libF77/makefile modified to point out possible need -to compile libF77/main.c with -Donexit=on_exit . - libi77: libI77/wref.c (and libI77/README) modified so non-ANSI -systems can compile with USE_STRLEN defined, which will cause - sprintf(b = buf, "%#.*f", d, x); - n = strlen(b) + d1; -rather than - n = sprintf(b = buf, "%#.*f", d, x) + d1; -to be compiled. - -26 Nov. 1989: - Longer names are now accepted (up to 50 characters); names may -contain underscores (in which case they will have two underscores -appended, to avoid clashes with library names). - -28 Nov. 1989: - libi77 updated: - 1. Allow 3 (or, on Crays, 4) digit exponents under format Ew.d . - 2. Try to get things right on machines where ints have 16 bits. - -29 Nov. 1989: - Supplied missing semicolon in parameterless subroutines that -have multiple entry points (all of them parameterless). - -30 Nov. 1989: - libf77 and libi77 revised to use types from f2c.h. - f2c now types floating-point valued C library routines as "double" -rather than "doublereal" (for use with nonstandard C compilers for -which "double" is IEEE double extended). - -1 Dec. 1989: - f2c.h updated to eliminate #defines rendered unnecessary (and, -indeed, dangerous) by change of 26 Nov. to long names possibly -containing underscores. - libi77 further revised: yesterday's change omitted two tweaks to fmt.h -(tweaks which only matter if float and real or double and doublereal are -different types). - -2 Dec. 1989: - Better error message (than "bad tag") for NAMELIST, which no longer -inhibits C output. - -4 Dec. 1989: - Allow capital letters in hex constants (f77 extension; e.g., -x'a012BCd', X'A012BCD' and x'a012bcd' are all treated as the integer -167848909). - libi77 further revised: lio.c lio.h lread.c wref.c wrtfmt.c tweaked -again to allow float and real or double and doublereal to be different. - -6 Dec. 1989: - Revised f2c.h -- required for the following... - Simpler looking translations for abs, min, max, using #defines in -revised f2c.h . - libi77: more corrections to types; additions for NAMELIST. - Corrected casts in some I/O calls. - Translation of NAMELIST; libi77 must still be revised. Currently -libi77 gives you a run-time error message if you attempt NAMELIST I/O. - -7 Dec. 1989: - Fixed bug that prevented local integer variables that appear in DATA -stmts from being ASSIGNed statement labels. - Fillers (for DATA statements initializing EQUIVALENCEd variables and -variables in COMMON) typed integer rather than doublereal (for slightly -more portability, e.g. to Crays). - libi77: missing return values supplied in a few places; some tests -reordered for better working on the Cray. - libf77: better accuracy for complex divide, complex square root, -real mod function (casts to double; double temporaries). - -9 Dec. 1989: - Fixed bug that caused needless (albeit harmless) empty lines to be -inserted in the C output when a comment line contained trailing blanks. - Further tweak to type of fillers: allow doublereal fillers if the -struct has doublereal data. - -11 Dec. 1989: - Alteration of rule for producing external (C) names from names that -contain underscores. Now the external name is always obtained by -appending a pair of underscores. - -12 Dec. 1989: - C production inhibited after most errors. - -15 Dec. 1989: - Fixed bug in headers for subroutines having two or more character -strings arguments: the length arguments were reversed. - -19 Dec. 1989: - f2c.h libf77 libi77: adjusted so #undefs in f2c.h should not foil -compilation of libF77 and libI77. - libf77: getenv_ adjusted to work with unsorted environments. - libi77: the iostat= specifier should now work right with internal I/O. - -20 Dec. 1989: - f2c bugs fixed: In the absence of an err= specifier, the iostat= -specifier was generally set wrong. Character strings containing -explicit nulls (\0) were truncated at the first null. - Unlabeled DO loops recognized; must be terminated by ENDDO. -(Don't ask for CYCLE, EXIT, named DO loops, or DO WHILE.) - -29 Dec. 1989: - Nested unlabeled DO loops now handled properly; new warning for -extraneous text at end of FORMAT. - -30 Dec. 1989: - Fixed bug in translating dble(real(...)), dble(sngl(...)), and -dble(float(...)), where ... is either of type double complex or -is an expression requiring assignment to intermediate variables (e.g., -dble(real(foo(x+1))), where foo is a function and x is a variable). -Regard nonblank label fields on continuation lines as an error. - -3 Jan. 1990: - New option -C++ yields output that should be understood -by C++ compilers. - -6 Jan. 1989: - -a now excludes variables that appear in a namelist from those -that it makes automatic. (As before, it also excludes variables -that appear in a common, data, equivalence, or save statement.) - The syntactically correct Fortran - read(*,i) x - end -now yields syntactically correct C (even though both the Fortran -and C are buggy -- no FORMAT has not been ASSIGNed to i). - -7 Jan. 1990: - libi77: routines supporting NAMELIST added. Surrounding quotes -made optional when no ambiguity arises in a list or namelist READ -of a character-string value. - -9 Jan. 1990: - f2c.src made available. - -16 Jan. 1990: - New options -P to produce ANSI C or C++ prototypes for procedures -defined. Change to -A and -C++: f2c tries to infer prototypes for -invoked procedures unless the new -!P option is given. New warning -messages for inconsistent calling sequences among procedures within -a single file. Most of f2c/src is affected. - f2c.h: typedefs for procedure arguments added; netlib's f2c service -will insert appropriate typedefs for use with older versions of f2c.h. - -17 Jan. 1990: - f2c/src: defs.h exec.c format.c proc.c putpcc.c version.c xsum0.out -updated. Castargs and protofile made extern in defs.h; exec.c -modified so superfluous else clauses are diagnosed; unused variables -omitted from declarations in format.c proc.c putpcc.c . - -21 Jan. 1990: - No C emitted for procedures declared external but not referenced. - f2c.h: more new types added for use with -P. - New feature: f2c accepts as arguments files ending in .p or .P; -such files are assumed to be prototype files, such as produced by -the -P option. All prototype files are read before any Fortran files -and apply globally to all Fortran files. Suitable prototypes help f2c -warn about calling-sequence errors and can tell f2c how to type -procedures declared external but not explicitly typed; the latter is -mainly of interest for users of the -A and -C++ options. (Prototype -arguments are not available to netlib's "execute f2c" service.) - New option -it tells f2c to try to infer types of untyped external -arguments from their use as parameters to prototyped or previously -defined procedures. - f2c/src: many minor cleanups; most modules changed. Individual -files in f2c/src are now in "bundle" format. The former f2c.1 is -now f2c.1t; "f2c.1t from f2c" and "f2c.1t from f2c/src" are now the -same, as are "f2c.1 from f2c" and "f2c.1 from f2c/src". People who -do not obtain a new copy of "all from f2c/src" should at least add - fclose(sortfp); -after the call on do_init_data(outfile, sortfp) in format_data.c . - -22 Jan. 1990: - Cleaner man page wording (thanks to Doug McIlroy). - -it now also applies to all untyped EXTERNAL procedures, not just -arguments. - -23 Jan. 01:34:00 EST 1990: - Bug fixes: under -A and -C++, incorrect C was generated for -subroutines having multiple entries but no arguments. - Under -A -P, subroutines of no arguments were given prototype -calling sequence () rather than (void). - Character-valued functions elicited erroneous warning messages -about inconsistent calling sequences when referenced by another -procedure in the same file. - f2c.1t: omit first appearance of libF77.a in FILES section; -load order of libraries is -lF77 -lI77, not vice versa (bug -introduced in yesterday's edits); define .F macro for those whose --man lacks it. (For a while after yesterday's fixes were posted, -f2c.1t was out of date. Sorry!) - -23 Jan. 9:53:24 EST 1990: - Character substring expressions involving function calls having -character arguments (including the intrinsic len function) yielded -incorrect C. - Procedures defined after invocation (in the same file) with -conflicting argument types also got an erroneous message about -the wrong number of arguments. - -24 Jan. 11:44:00 EST 1990: - Bug fixes: -p omitted #undefs; COMMON block names containing -underscores had their C names incorrectly computed; a COMMON block -having the name of a previously defined procedure wreaked havoc; -if all arguments were .P files, f2c tried reading the second as a -Fortran file. - New feature: -P emits comments showing COMMON block lengths, so one -can get warnings of incompatible COMMON block lengths by having f2c -read .P (or .p) files. Now by running f2c twice, first with -P -!c -(or -P!c), then with *.P among the arguments, you can be warned of -inconsistent COMMON usage, and COMMON blocks having inconsistent -lengths will be given the maximum length. (The latter always did -happen within each input file; now -P lets you extend this behavior -across files.) - -26 Jan. 16:44:00 EST 1990: - Option -it made less aggressive: untyped external procedures that -are invoked are now typed by the rules of Fortran, rather than by -previous use of procedures to which they are passed as arguments -before being invoked. - Option -P now includes information about references, i.e., called -procedures, in the prototype files (in the form of special comments). -This allows iterative invocations of f2c to infer more about untyped -external names, particularly when multiple Fortran files are involved. - As usual, there are some obscure bug fixes: -1. Repair of erroneous warning messages about inconsistent number of -arguments that arose when a character dummy parameter was discovered -to be a function or when multiple entry points involved character -variables appearing in a previous entry point. -2. Repair of memory fault after error msg about "adjustable character -function". -3. Under -U, allow MAIN_ as a subroutine name (in the same file as a -main program). -4. Change for consistency: a known function invoked as a subroutine, -then as a function elicits a warning rather than an error. - -26 Jan. 22:32:00 EST 1990: - Fixed two bugs that resulted in incorrect C for substrings, within -the body of a character-valued function, of the function's name, when -those substrings were arguments to another function (even implicitly, -as in character-string assignment). - -28 Jan. 18:32:00 EST 1990: - libf77, libi77: checksum files added; "make check" looks for -transmission errors. NAMELIST read modified to allow $ rather than & -to precede a namelist name, to allow $ rather than / to terminate -input where the name of another variable would otherwise be expected, -and to regard all nonprinting ASCII characters <= ' ' as spaces. - -29 Jan. 02:11:00 EST 1990: - "fc from f2c" added. - -it option made the default; -!it turns it off. Type information is -now updated in a previously missed case. - -P option tweaked again; message about when rerunning f2c may change -prototypes or declarations made more accurate. - New option -Ps implies -P and returns exit status 4 if rerunning -f2c -P with prototype inputs might change prototypes or declarations. -Now you can execute a crude script like - - cat *.f >zap.F - rm -f zap.P - while :; do - f2c -Ps -!c zap.[FP] - case $? in 4) ;; *) break;; esac - done - -to get a file zap.P of the best prototypes f2c can determine for *.f . - -Jan. 29 07:30:21 EST 1990: - Forgot to check for error status when setting return code 4 under -Ps; -error status (1, 2, 3, or, for caught signal, 126) now takes precedence. - -Jan 29 14:17:00 EST 1990: - Incorrect handling of - open(n,'filename') -repaired -- now treated as - open(n,file='filename') -(and, under -ext, given an error message). - New optional source file memset.c for people whose systems don't -provide memset, memcmp, and memcpy; #include in mem.c -changed to #include "string.h" so BSD people can create a local -string.h that simply says #include . - -Jan 30 10:34:00 EST 1990: - Fix erroneous warning at end of definition of a procedure with -character arguments when the procedure had previously been called with -a numeric argument instead of a character argument. (There were two -warnings, the second one incorrectly complaining of a wrong number of -arguments.) - -Jan 30 16:29:41 EST 1990: - Fix case where -P and -Ps erroneously reported another iteration -necessary. (Only harm is the extra iteration.) - -Feb 3 01:40:00 EST 1990: - Supply semicolon occasionally omitted under -c . - Try to force correct alignment when numeric variables are initialized -with character data (a non-standard and non-portable practice). You -must use the -W option if your code has such data statements and is -meant to run on a machine with other than 4 characters/word; e.g., for -code meant to run on a Cray, you would specify -W8 . - Allow parentheses around expressions in output lists (in write and -print statements). - Rename source files so their names are <= 12 characters long -(so there's room to append .Z and still have <= 14 characters); -renamed files: formatdata.c niceprintf.c niceprintf.h safstrncpy.c . - f2c material made available by anonymous ftp from research.att.com -(look in dist/f2c ). - -Feb 3 03:49:00 EST 1990: - Repair memory fault that arose from use (in an assignment or -call) of a non-argument variable declared CHARACTER*(*). - -Feb 9 01:35:43 EST 1990: - Fix erroneous error msg about bad types in - subroutine foo(a,adim) - dimension a(adim) - integer adim - Fix improper passing of character args (and possible memory fault) -in the expression part of a computed goto. - Fix botched calling sequences in array references involving -functions having character args. - Fix memory fault caused by invocation of character-valued functions -of no arguments. - Fix botched calling sequence of a character*1-valued function -assigned to a character*1 variable. - Fix bug in error msg for inconsistent number of args in prototypes. - Allow generation of C output despite inconsistencies in prototypes, -but give exit code 8. - Simplify include logic (by removing some bogus logic); never -prepend "/usr/include/" to file names. - Minor cleanups (that should produce no visible change in f2c's -behavior) in intr.c parse.h main.c defs.h formatdata.c p1output.c . - -Feb 10 00:19:38 EST 1990: - Insert (integer) casts when floating-point expressions are used -as subscripts. - Make SAVE stmt (with no variable list) override -a . - Minor cleanups: change field to Field in struct Addrblock (for the -benefit of buggy C compilers); omit system("/bin/cp ...") in misc.c . - -Feb 13 00:39:00 EST 1990: - Error msg fix in gram.dcl: change "cannot make %s parameter" -to "cannot make into parameter". - -Feb 14 14:02:00 EST 1990: - Various cleanups (invisible on systems with 4-byte ints), thanks -to Dave Regan: vaxx.c eliminated; %d changed to %ld various places; -external names adjusted for the benefit of stupid systems (that ignore -case and recognize only 6 significant characters in external names); -buffer shortened in xsum.c (e.g. for MS-DOS); fopen modes distinguish -text and binary files; several unused functions eliminated; missing -arg supplied to an unlikely fatalstr invocation. - -Thu Feb 15 19:15:53 EST 1990: - More cleanups (invisible on systems with 4 byte ints); casts inserted -so most complaints from cyntax(1) and lint(1) go away; a few (int) -versus (long) casts corrected. - -Fri Feb 16 19:55:00 EST 1990: - Recognize and translate unnamed Fortran 8x do while statements. - Fix bug that occasionally caused improper breaking of character -strings. - New error message for attempts to provide DATA in a type-declaration -statement. - -Sat Feb 17 11:43:00 EST 1990: - Fix infinite loop clf -> Fatal -> done -> clf after I/O error. - Change "if (addrp->vclass = CLPROC)" to "if (addrp->vclass == CLPROC)" -in p1_addr (in p1output.c); this was probably harmless. - Move a misplaced } in lex.c (which slowed initkey()). - Thanks to Gary Word for pointing these things out. - -Sun Feb 18 18:07:00 EST 1990: - Detect overlapping initializations of arrays and scalar variables -in previously missed cases. - Treat logical*2 as logical (after issuing a warning). - Don't pass string literals to p1_comment(). - Correct a cast (introduced 16 Feb.) in gram.expr; this matters e.g. -on a Cray. - Attempt to isolate UNIX-specific things in sysdep.c (a new source -file). Unless sysdep.c is compiled with SYSTEM_SORT defined, the -intermediate files created for DATA statements are now sorted in-core -without invoking system(). - -Tue Feb 20 16:10:35 EST 1990: - Move definition of binread and binwrite from init.c to sysdep.c . - Recognize Fortran 8x tokens < <= == >= > <> as synonyms for -.LT. .LE. .EQ. .GE. .GT. .NE. - Minor cleanup in putpcc.c: fully remove simoffset(). - More discussion of system dependencies added to libI77/README. - -Tue Feb 20 21:44:07 EST 1990: - Minor cleanups for the benefit of EBCDIC machines -- try to remove -the assumption that 'a' through 'z' are contiguous. (Thanks again to -Gary Word.) Also, change log2 to log_2 (shouldn't be necessary). - -Wed Feb 21 06:24:56 EST 1990: - Fix botch in init.c introduced in previous change; only matters -to non-ASCII machines. - -Thu Feb 22 17:29:12 EST 1990: - Allow several entry points to mention the same array. Protect -parameter adjustments with if's (for the case that an array is not -an argument to all entrypoints). - Under -u, allow - subroutine foo(x,n) - real x(n) - integer n - Compute intermediate variables used to evaluate dimension expressions -at the right time. Example previously mistranslated: - subroutine foo(x,k,m,n) - real x(min(k,m,n)) - ... - write(*,*) x - Detect duplicate arguments. (The error msg points to the first -executable stmt -- not wonderful, but not worth fixing.) - Minor cleanup of min/max computation (sometimes slightly simpler). - -Sun Feb 25 09:39:01 EST 1990: - Minor tweak to multiple entry points: protect parameter adjustments -with if's only for (array) args that do not appear in all entry points. - Minor tweaks to format.c and io.c (invisible unless your compiler -complained at the duplicate #defines of IOSUNIT and IOSFMT or at -comparisons of p1gets(...) with NULL). - -Sun Feb 25 18:40:10 EST 1990: - Fix bug introduced Feb. 22: if a subprogram contained DATA and the -first executable statement was labeled, then the label got lost. -(Just change INEXEC to INDATA in p1output.c; it occurs just once.) - -Mon Feb 26 17:45:10 EST 1990: - Fix bug in handling of " and ' in comments. - -Wed Mar 28 01:43:06 EST 1990: -libI77: - 1. Repair nasty I/O bug: opening two files and closing the first -(after possibly reading or writing it), then writing the second caused -the last buffer of the second to be lost. - 2. Formatted reads of logical values treated all letters other than -t or T as f (false). - libI77 files changed: err.c rdfmt.c Version.c - (Request "libi77 from f2c" -- you can't get these files individually.) - -f2c itself: - Repair nasty bug in translation of - ELSE IF (condition involving complicated abs, min, or max) --- auxiliary statements were emitted at the wrong place. - Supply semicolon previously omitted from the translation of a label -(of a CONTINUE) immediately preceding an ELSE IF or an ELSE. This -bug made f2c produce invalid C. - Correct a memory fault that occurred (on some machines) when the -error message "adjustable dimension on non-argument" should be given. - Minor tweaks to remove some harmless warnings by overly chatty C -compilers. - Argument arays having constant dimensions but a variable lower bound -(e.g., x(n+1:n+3)) had a * omitted from scalar arguments involved in -the array offset computation. - -Wed Mar 28 18:47:59 EST 1990: -libf77: add exit(0) to end of main [return(0) encounters a Cray bug] - -Sun Apr 1 16:20:58 EDT 1990: - Avoid dereferencing null when processing equivalences after an error. - -Fri Apr 6 08:29:49 EDT 1990: - Calls involving alternate return specifiers omitted processing -needed for things like min, max, abs, and // (concatenation). - INTEGER*2 PARAMETERs were treated as INTEGER*4. - Convert some O(n^2) parsing to O(n). - -Tue Apr 10 20:07:02 EDT 1990: - When inconsistent calling sequences involve differing numbers of -arguments, report the first differing argument rather than the numbers -of arguments. - Fix bug under -a: formatted I/O in which either the unit or the -format was a local character variable sometimes resulted in invalid C -(a static struct initialized with an automatic component). - Improve error message for invalid flag after elided -. - Complain when literal table overflows, rather than infinitely -looping. (The complaint mentions the new and otherwise undocumented --NL option for specifying a larger literal table.) - New option -h for forcing strings to word (or, with -hd, double-word) -boundaries where possible. - Repair a bug that could cause improper splitting of strings. - Fix bug (cast of c to doublereal) in - subroutine foo(c,r) - double complex c - double precision r - c = cmplx(r,real(c)) - end - New include file "sysdep.h" has some things from defs.h (and -elsewhere) that one may need to modify on some systems. - Some large arrays that were previously statically allocated are now -dynamically allocated when f2c starts running. - f2c/src files changed: - README cds.c defs.h f2c.1 f2c.1t format.c formatdata.c init.c - io.c lex.c main.c makefile mem.c misc.c names.c niceprintf.c - output.c parse_args.c pread.c put.c putpcc.c sysdep.h - version.c xsum0.out - -Wed Apr 11 18:27:12 EDT 1990: - Fix bug in argument consistency checking of character, complex, and -double complex valued functions. If the same source file contained a -definition of such a function with arguments not explicitly typed, -then subsequent references to the function might get erroneous -warnings of inconsistent calling sequences. - Tweaks to sysdep.h for partially ANSI systems. - New options -kr and -krd cause f2c to use temporary variables to -enforce Fortran evaluation-order rules with pernicious, old-style C -compilers that apply the associative law to floating-point operations. - -Sat Apr 14 15:50:15 EDT 1990: - libi77: libI77 adjusted to allow list-directed and namelist I/O -of internal files; bug in namelist I/O of logical and character arrays -fixed; list input of complex numbers adjusted to permit d or D to -denote the start of the exponent field of a component. - f2c itself: fix bug in handling complicated lower-bound -expressions for character substrings; e.g., min and max did not work -right, nor did function invocations involving character arguments. - Switch to octal notation, rather than hexadecimal, for nonprinting -characters in character and string constants. - Fix bug (when neither -A nor -C++ was specified) in typing of -external arguments of type complex, double complex, or character: - subroutine foo(c) - external c - complex c -now results in - /* Complex */ int (*c) (); -(as, indeed, it once did) rather than - complex (*c) (); - -Sat Apr 14 22:50:39 EDT 1990: - libI77/makefile: updated "make check" to omit lio.c - lib[FI]77/makefile: trivial change: define CC = cc, reference $(CC). - (Request, e.g., "libi77 from f2c" -- you can't ask for individual -files from lib[FI]77.) - -Wed Apr 18 00:56:37 EDT 1990: - Move declaration of atof() from defs.h to sysdep.h, where it is -now not declared if stdlib.h is included. (NeXT's stdlib.h has a -#define atof that otherwise wreaks havoc.) - Under -u, provide a more intelligible error message (than "bad tag") -for an attempt to define a function without specifying its type. - -Wed Apr 18 17:26:27 EDT 1990: - Recognize \v (vertical tab) in Hollerith as well as quoted strings; -add recognition of \r (carriage return). - New option -!bs turns off recognition of escapes in character strings -(\0, \\, \b, \f, \n, \r, \t, \v). - Move to sysdep.c initialization of some arrays whose initialization -assumed ASCII; #define Table_size in sysdep.h rather than using -hard-coded 256 in allocating arrays of size 1 << (bits/byte). - -Thu Apr 19 08:13:21 EDT 1990: - Warn when escapes would make Hollerith extend beyond statement end. - Omit max() definition from misc.c (should be invisible except on -systems that erroneously #define max in stdlib.h). - -Mon Apr 23 22:24:51 EDT 1990: - When producing default-style C (no -A or -C++), cast switch -expressions to (int). - Move "-lF77 -lI77 -lm -lc" to link_msg, defined in sysdep.c . - Add #define scrub(x) to sysdep.h, with invocations in format.c and -formatdata.c, so that people who have systems like VMS that would -otherwise create multiple versions of intermediate files can -#define scrub(x) unlink(x) - -Tue Apr 24 18:28:36 EDT 1990: - Pass string lengths once rather than twice to a function of character -arguments involved in comparison of character strings of length 1. - -Fri Apr 27 13:11:52 EDT 1990: - Fix bug that made f2c gag on concatenations involving char(...) on -some systems. - -Sat Apr 28 23:20:16 EDT 1990: - Fix control-stack bug in - if(...) then - else if (complicated condition) - else - endif -(where the complicated condition causes assignment to an auxiliary -variable, e.g., max(a*b,c)). - -Mon Apr 30 13:30:10 EDT 1990: - Change fillers for DATA with holes from substructures to arrays -(in an attempt to make things work right with C compilers that have -funny padding rules for substructures, e.g., Sun C compilers). - Minor cleanup of exec.c (should not affect generated C). - -Mon Apr 30 23:13:51 EDT 1990: - Fix bug in handling return values of functions having multiple -entry points of differing return types. - -Sat May 5 01:45:18 EDT 1990: - Fix type inference bug in - subroutine foo(x) - call goo(x) - end - subroutine goo(i) - i = 3 - end -Instead of warning of inconsistent calling sequences for goo, -f2c was simply making i a real variable; now i is correctly -typed as an integer variable, and f2c issues an error message. - Adjust error messages issued at end of declarations so they -don't blame the first executable statement. - -Sun May 6 01:29:07 EDT 1990: - Fix bug in -P and -Ps: warn when the definition of a subprogram adds -information that would change prototypes or previous declarations. - -Thu May 10 18:09:15 EDT 1990: - Fix further obscure bug with (default) -it: inconsistent calling -sequences and I/O statements could interact to cause a memory fault. -Example: - SUBROUTINE FOO - CALL GOO(' Something') ! Forgot integer first arg - END - SUBROUTINE GOO(IUNIT,MSG) - CHARACTER*(*)MSG - WRITE(IUNIT,'(1X,A)') MSG - END - -Fri May 11 16:49:11 EDT 1990: - Under -!c, do not delete any .c files (when there are errors). - Avoid dereferencing 0 when a fatal error occurs while reading -Fortran on stdin. - -Wed May 16 18:24:42 EDT 1990: - f2c.ps made available. - -Mon Jun 4 12:53:08 EDT 1990: - Diagnose I/O units of invalid type. - Add specific error msg about dummy arguments in common. - -Wed Jun 13 12:43:17 EDT 1990: - Under -A, supply a missing "[1]" for CHARACTER*1 variables that appear -both in a DATA statement and in either COMMON or EQUIVALENCE. - -Mon Jun 18 16:58:31 EDT 1990: - Trivial updates to f2c.ps . ("Fortran 8x" --> "Fortran 90"; omit -"(draft)" from "(draft) ANSI C".) - -Tue Jun 19 07:36:32 EDT 1990: - Fix incorrect code generated for ELSE IF(expression involving -function call passing non-constant substring). - Under -h, preserve the property that strings are null-terminated -where possible. - Remove spaces between # and define in lex.c output.c parse.h . - -Mon Jun 25 07:22:59 EDT 1990: - Minor tweak to makefile to reduce unnecessary recompilations. - -Tue Jun 26 11:49:53 EDT 1990: - Fix unintended truncation of some integer constants on machines -where casting a long to (int) may change the value. E.g., when f2c -ran on machines with 16-bit ints, "i = 99999" was being translated -to "i = -31073;". - -Wed Jun 27 11:05:32 EDT 1990: - Arrange for CHARACTER-valued PARAMETERs to honor their length -specifications. Allow CHAR(nn) in expressions defining such PARAMETERs. - -Fri Jul 20 09:17:30 EDT 1990: - Avoid dereferencing 0 when a FORMAT statement has no label. - -Thu Jul 26 11:09:39 EDT 1990: - Remarks about VOID and binread,binwrite added to README. - Tweaks to parse_args: should be invisible unless your compiler -complained at (short)*store. - -Thu Aug 2 02:07:58 EDT 1990: - f2c.ps: change the first line of page 5 from - include stuff -to - include 'stuff' - -Tue Aug 14 13:21:24 EDT 1990: - libi77: libI77 adjusted to treat tabs as spaces in list input. - -Fri Aug 17 07:24:53 EDT 1990: - libi77: libI77 adjusted so a blank='ZERO' clause (upper case Z) -in an open of a currently open file works right. - -Tue Aug 28 01:56:44 EDT 1990: - Fix bug in warnings of inconsistent calling sequences: if an -argument to a subprogram was never referenced, then a previous -invocation of the subprogram (in the same source file) that -passed something of the wrong type for that argument did not -elicit a warning message. - -Thu Aug 30 09:46:12 EDT 1990: - libi77: prevent embedded blanks in list output of complex values; -omit exponent field in list output of values of magnitude between -10 and 1e8; prevent writing stdin and reading stdout or stderr; -don't close stdin, stdout, or stderr when reopening units 5, 6, 0. - -Tue Sep 4 12:30:57 EDT 1990: - Fix bug in C emitted under -I2 or -i2 for INTEGER*4 FUNCTION. - Warn of missing final END even if there are previous errors. - -Fri Sep 7 13:55:34 EDT 1990: - Remark about "make xsum.out" and "make f2c" added to README. - -Tue Sep 18 23:50:01 EDT 1990: - Fix null dereference (and, on some systems, writing of bogus *_com.c -files) under -ec or -e1c when a prototype file (*.p or *.P) describes -COMMON blocks that do not appear in the Fortran source. - libi77: - Add some #ifdef lines (#ifdef MSDOS, #ifndef MSDOS) to avoid -references to stat and fstat on non-UNIX systems. - On UNIX systems, add component udev to unit; decide that old -and new files are the same iff both the uinode and udev components -of unit agree. - When an open stmt specifies STATUS='OLD', use stat rather than -access (on UNIX systems) to check the existence of the file (in case -directories leading to the file have funny permissions and this is -a setuid or setgid program). - -Thu Sep 27 16:04:09 EDT 1990: - Supply missing entry for Impldoblock in blksize array of cpexpr -(in expr.c). No examples are known where this omission caused trouble. - -Tue Oct 2 22:58:09 EDT 1990: - libf77: test signal(...) == SIG_IGN rather than & 01 in main(). - libi77: adjust rewind.c so two successive rewinds after a write -don't clobber the file. - -Thu Oct 11 18:00:14 EDT 1990: - libi77: minor cleanups: add #include "fcntl.h" to endfile.c, err.c, -open.c; adjust g_char in util.c for segmented memories; in f_inqu -(inquire.c), define x appropriately when MSDOS is defined. - -Mon Oct 15 20:02:11 EDT 1990: - Add #ifdef MSDOS pointer adjustments to mem.c; treat NAME= as a -synonym for FILE= in OPEN statements. - -Wed Oct 17 16:40:37 EDT 1990: - libf77, libi77: minor cleanups: _cleanup() and abort() invocations -replaced by invocations of sig_die in main.c; some error messages -previously lost in buffers will now appear. - -Mon Oct 22 16:11:27 EDT 1990: - libf77: separate sig_die from main (for folks who don't want to use -the main in libF77). - libi77: minor tweak to comments in README. - -Fri Nov 2 13:49:35 EST 1990: - Use two underscores rather than one in generated temporary variable -names to avoid conflict with COMMON names. f2c.ps updated to reflect -this change and the NAME= extension introduced 15 Oct. - Repair a rare memory fault in io.c . - -Mon Nov 5 16:43:55 EST 1990: - libi77: changes to open.c (and err.c): complain if an open stmt -specifies new= and the file already exists (as specified by Fortrans 77 -and 90); allow file= to be omitted in open stmts and allow -status='replace' (Fortran 90 extensions). - -Fri Nov 30 10:10:14 EST 1990: - Adjust malloc.c for unusual systems whose sbrk() can return values -not properly aligned for doubles. - Arrange for slightly more helpful and less repetitive warnings for -non-character variables initialized with character data; these warnings -are (still) suppressed by -w66. - -Fri Nov 30 15:57:59 EST 1990: - Minor tweak to README (about changing VOID in f2c.h). - -Mon Dec 3 07:36:20 EST 1990: - Fix spelling of "character" in f2c.1t. - -Tue Dec 4 09:48:56 EST 1990: - Remark about link_msg and libf2c added to f2c/README. - -Thu Dec 6 08:33:24 EST 1990: - Under -U, render label nnn as L_nnn rather than Lnnn. - -Fri Dec 7 18:05:00 EST 1990: - Add more names from f2c.h (e.g. integer, real) to the c_keywords -list of names to which an underscore is appended to avoid confusion. - -Mon Dec 10 19:11:15 EST 1990: - Minor tweaks to makefile (./xsum) and README (binread/binwrite). - libi77: a few modifications for POSIX systems; meant to be invisible -elsewhere. - -Sun Dec 16 23:03:16 EST 1990: - Fix null dereference caused by unusual erroneous input, e.g. - call foo('abc') - end - subroutine foo(msg) - data n/3/ - character*(*) msg - end -(Subroutine foo is illegal because the character statement comes after a -data statement.) - Use decimal rather than hex constants in xsum.c (to prevent -erroneous warning messages about constant overflow). - -Mon Dec 17 12:26:40 EST 1990: - Fix rare extra underscore in character length parameters passed -for multiple entry points. - -Wed Dec 19 17:19:26 EST 1990: - Allow generation of C despite error messages about bad alignment -forced by equivalence. - Allow variable-length concatenations in I/O statements, such as - open(3, file=bletch(1:n) // '.xyz') - -Fri Dec 28 17:08:30 EST 1990: - Fix bug under -p with formats and internal I/O "units" in COMMON, -as in - COMMON /FIGLEA/F - CHARACTER*20 F - F = '(A)' - WRITE (*,FMT=F) 'Hello, world!' - END - -Tue Jan 15 12:00:24 EST 1991: - Fix bug when two equivalence groups are merged, the second with -nonzero offset, and the result is then merged into a common block. -Example: - INTEGER W(3), X(3), Y(3), Z(3) - COMMON /ZOT/ Z - EQUIVALENCE (W(1),X(1)), (X(2),Y(1)), (Z(3),X(1)) -***** W WAS GIVEN THE WRONG OFFSET - Recognize Fortran 90's optional NML= in NAMELIST READs and WRITEs. -(Currently NML= and FMT= are treated as synonyms -- there's no -error message if, e.g., NML= specifies a format.) - libi77: minor adjustment to allow internal READs from character -string constants in read-only memory. - -Fri Jan 18 22:56:15 EST 1991: - Add comment to README about needing to comment out the typedef of -size_t in sysdep.h on some systems, e.g. Sun 4.1. - Fix misspelling of "statement" in an error message in lex.c - -Wed Jan 23 00:38:48 EST 1991: - Allow hex, octal, and binary constants to have the qualifying letter -(z, x, o, or b) either before or after the quoted string containing the -digits. For now this change will not be reflected in f2c.ps . - -Tue Jan 29 16:23:45 EST 1991: - Arrange for character-valued statement functions to give results of -the right length (that of the statement function's name). - -Wed Jan 30 07:05:32 EST 1991: - More tweaks for character-valued statement functions: an error -check and an adjustment so a right-hand side of nonconstant length -(e.g., a substring) is handled right. - -Wed Jan 30 09:49:36 EST 1991: - Fix p1_head to avoid printing (char *)0 with %s. - -Thu Jan 31 13:53:44 EST 1991: - Add a test after the cleanup call generated for I/O statements with -ERR= or END= clauses to catch the unlikely event that the cleanup -routine encounters an error. - -Mon Feb 4 08:00:58 EST 1991: - Minor cleanup: omit unneeded jumps and labels from code generated for -some NAMELIST READs and WRITEs with IOSTAT=, ERR=, and/or END=. - -Tue Feb 5 01:39:36 EST 1991: - Change Mktemp to mktmp (for the benefit of systems so brain-damaged -that they do not distinguish case in external names -- and that for -some reason want to load mktemp). Try to get xsum0.out right this -time (it somehow didn't get updated on 4 Feb. 1991). - Add note to libi77/README about adjusting the interpretation of -RECL= specifiers in OPENs for direct unformatted I/O. - -Thu Feb 7 17:24:42 EST 1991: - New option -r casts values of REAL functions, including intrinsics, -to REAL. This only matters for unportable code like - real r - r = asin(1.) - if (r .eq. asin(1.)) ... -[The behavior of such code varies with the Fortran compiler used -- -and sometimes is affected by compiler options.] For now, the man page -at the end of f2c.ps is the only part of f2c.ps that reflects this new -option. - -Fri Feb 8 18:12:51 EST 1991: - Cast pointer differences passed as arguments to the appropriate type. -This matters, e.g., with MSDOS compilers that yield a long pointer -difference but have int == short. - Disallow nonpositive dimensions. - -Fri Feb 15 12:24:15 EST 1991: - Change %d to %ld in sprintf call in putpower in putpcc.c. - Free more memory (e.g. allowing translation of larger Fortran -files under MS-DOS). - Recognize READ (character expression) and WRITE (character expression) -as formatted I/O with the format given by the character expression. - Update year in Notice. - -Sat Feb 16 00:42:32 EST 1991: - Recant recognizing WRITE(character expression) as formatted output --- Fortran 77 is not symmetric in its syntax for READ and WRITE. - -Mon Mar 4 15:19:42 EST 1991: - Fix bug in passing the real part of a complex argument to an intrinsic -function. Omit unneeded parentheses in nested calls to intrinsics. -Example: - subroutine foo(x, y) - complex y - x = exp(sin(real(y))) + exp(imag(y)) - end - -Fri Mar 8 15:05:42 EST 1991: - Fix a comment in expr.c; omit safstrncpy.c (which had bugs in -cases not used by f2c). - -Wed Mar 13 02:27:23 EST 1991: - Initialize firstmemblock->next in mem_init in mem.c . [On most -systems it was fortuituously 0, but with System V, -lmalloc could -trip on this missed initialization.] - -Wed Mar 13 11:47:42 EST 1991: - Fix a reference to freed memory. - -Wed Mar 27 00:42:19 EST 1991: - Fix a memory fault caused by such illegal Fortran as - function foo - x = 3 - logical foo ! declaration among executables - foo=.false. ! used to suffer memory fault - end - -Fri Apr 5 08:30:31 EST 1991: - Fix loss of % in some format expressions, e.g. - write(*,'(1h%)') - Fix botch introduced 27 March 1991 that caused subroutines with -multiple entry points to have extraneous declarations of ret_val. - -Fri Apr 5 12:44:02 EST 1991 - Try again to omit extraneous ret_val declarations -- this morning's -fix was sometimes wrong. - -Mon Apr 8 13:47:06 EDT 1991: - Arrange for s_rnge to have the right prototype under -A -C . - -Wed Apr 17 13:36:03 EDT 1991: - New fatal error message for apparent invocation of a recursive -statement function. - -Thu Apr 25 15:13:37 EDT 1991: - F2c and libi77 adjusted so NAMELIST works with -i2. (I forgot -about -i2 when adding NAMELIST.) This required a change to f2c.h -(that only affects NAMELIST I/O under -i2.) Man-page description of --i2 adjusted to reflect that -i2 stores array lengths in short ints. - -Fri Apr 26 02:54:41 EDT 1991: - Libi77: fix some bugs in NAMELIST reading of multi-dimensional arrays -(file rsne.c). - -Thu May 9 02:13:51 EDT 1991: - Omit a trailing space in expr.c (could cause a false xsum value if -a mailer drops the trailing blank). - -Thu May 16 13:14:59 EDT 1991: - Libi77: increase LEFBL in lio.h to overcome a NeXT bug. - Tweak for compilers that recognize "nested" comments: inside comments, -turn /* into /+ (as well as */ into +/). - -Sat May 25 11:44:25 EDT 1991: - libf77: s_rnge: declare line long int rather than int. - -Fri May 31 07:51:50 EDT 1991: - libf77: system_: officially return status. - -Mon Jun 17 16:52:53 EDT 1991: - Minor tweaks: omit unnecessary declaration of strcmp (that caused -trouble on a system where strcmp was a macro) from misc.c; add -SHELL = /bin/sh to makefiles. - Fix a dereference of null when a CHARACTER*(*) declaration appears -(illegally) after DATA. Complain only once per subroutine about -declarations appearing after DATA. - -Mon Jul 1 00:28:13 EDT 1991: - Add test and error message for illegal use of subroutine names, e.g. - SUBROUTINE ZAP(A) - ZAP = A - END - -Mon Jul 8 21:49:20 EDT 1991: - Issue a warning about things like - integer i - i = 'abc' -(which is treated as i = ichar('a')). [It might be nice to treat 'abc' -as an integer initialized (in a DATA statement) with 'abc', but -other matters have higher priority.] - Render - i = ichar('A') -as - i = 'A'; -rather than - i = 65; -(which assumes ASCII). - -Fri Jul 12 07:41:30 EDT 1991: - Note added to README about erroneous definitions of __STDC__ . - -Sat Jul 13 13:38:54 EDT 1991: - Fix bugs in double type convesions of complex values, e.g. -sngl(real(...)) or dble(real(...)) (where ... is complex). - -Mon Jul 15 13:21:42 EDT 1991: - Fix bug introduced 8 July 1991 that caused erroneous warnings -"ichar([first char. of] char. string) assumed for conversion to numeric" -when a subroutine had an array of character strings as an argument. - -Wed Aug 28 01:12:17 EDT 1991: - Omit an unused function in format.c, an unused variable in proc.c . - Under -r8, promote complex to double complex (as the man page claims). - -Fri Aug 30 17:19:17 EDT 1991: - f2c.ps updated: slightly expand description of intrinsics and,or,xor, -not; add mention of intrinsics lshift, rshift; add note about f2c -accepting Fortran 90 inline comments (starting with !); update Cobalt -Blue address. - -Tue Sep 17 07:17:33 EDT 1991: - libI77: err.c and open.c modified to use modes "rb" and "wb" -when (f)opening unformatted files; README updated to point out -that it may be necessary to change these modes to "r" and "w" -on some non-ANSI systems. - -Tue Oct 15 10:25:49 EDT 1991: - Minor tweaks that make some PC compilers happier: insert some -casts, add args to signal functions. - Change -g to emit uncommented #line lines -- and to emit more of them; -update fc, f2c.1, f2c.1t, f2c.ps to reflect this. - Change uchar to Uchar in xsum.c . - Bring gram.c up to date. - -Thu Oct 17 09:22:05 EDT 1991: - libi77: README, fio.h, sue.c, uio.c changed so the length field -in unformatted sequential records has type long rather than int -(unless UIOLEN_int is #defined). This is for systems where sizeof(int) -can vary, depending on the compiler or compiler options. - -Thu Oct 17 13:42:59 EDT 1991: - libi77: inquire.c: when MSDOS is defined, don't strcmp units[i].ufnm -when it is NULL. - -Fri Oct 18 15:16:00 EDT 1991: - Correct xsum0.out in "all from f2c/src" (somehow botched on 15 Oct.). - -Tue Oct 22 18:12:56 EDT 1991: - Fix memory fault when a character*(*) argument is used (illegally) -as a dummy variable in the definition of a statement function. (The -memory fault occurred when the statement function was invoked.) - Complain about implicit character*(*). - -Thu Nov 14 08:50:42 EST 1991: - libi77: change uint to Uint in fmt.h, rdfmt.c, wrtfmt.c; this change -should be invisible unless you're running a brain-damaged system. - -Mon Nov 25 19:04:40 EST 1991: - libi77: correct botches introduced 17 Oct. 1991 and 14 Nov. 1991 -(change uint to Uint in lwrite.c; other changes that only matter if -sizeof(int) != sizeof(long)). - Add a more meaningful error message when bailing out due to an attempt -to invoke a COMMON variable as a function. - -Sun Dec 1 19:29:24 EST 1991: - libi77: uio.c: add test for read failure (seq. unformatted reads); -adjust an error return from EOF to off end of record. - -Tue Dec 10 17:42:28 EST 1991: - Add tests to prevent memory faults with bad uses of character*(*). - -Thu Dec 12 11:24:41 EST 1991: - libi77: fix bug with internal list input that caused the last -character of each record to be ignored; adjust error message in -internal formatted input from "end-of-file" to "off end of record" -if the format specifies more characters than the record contains. - -Wed Dec 18 17:48:11 EST 1991: - Fix bug in translating nonsensical ichar invocations involving -concatenations. - Fix bug in passing intrinsics lle, llt, lge, lgt as arguments; -hl_le was being passed rather than l_le, etc. - libf77: adjust length parameters from long to ftnlen, for -compiling with f2c_i2 defined. - -Sat Dec 21 15:30:57 EST 1991: - Allow DO nnn ... to end with an END DO statement labelled nnn. - -Tue Dec 31 13:53:47 EST 1991: - Fix bug in handling dimension a(n**3,2) -- pow_ii was called -incorrectly. - Fix bug in translating - subroutine x(abc,n) - character abc(n) - write(abc,'(i10)') 123 - end -(omitted declaration and initialiation of abc_dim1). - Complain about dimension expressions of such invalid types -as complex and logical. - -Fri Jan 17 11:54:20 EST 1992: - Diagnose some illegal uses of main program name (rather than -memory faulting). - libi77: (1) In list and namelist input, treat "r* ," and "r*," -alike (where r is a positive integer constant), and fix a bug in -handling null values following items with repeat counts (e.g., -2*1,,3). (2) For namelist reading of a numeric array, allow a new -name-value subsequence to terminate the current one (as though the -current one ended with the right number of null values). -(3) [lio.h, lwrite.c]: omit insignificant zeros in list and namelist -output. (Compile with -DOld_list_output to get the old behavior.) - -Sat Jan 18 15:58:01 EST 1992: - libi77: make list output consistent with F format by printing .1 -rather than 0.1 (introduced yesterday). - -Wed Jan 22 08:32:43 EST 1992: - libi77: add comment to README pointing out preconnection of -Fortran units 5, 6, 0 to stdin, stdout, stderr (respectively). - -Mon Feb 3 11:57:53 EST 1992: - libi77: fix namelist read bug that caused the character following -a comma to be ignored. - -Fri Feb 28 01:04:26 EST 1992: - libf77: fix buggy z_sqrt.c (double precision square root), which -misbehaved for arguments in the southwest quadrant. - -Thu Mar 19 15:05:18 EST 1992: - Fix bug (introduced 17 Jan 1992) in handling multiple entry points -of differing types (with implicitly typed entries appearing after -the first executable statement). - Fix memory fault in the following illegal Fortran: - double precision foo(i) -* illegal: above should be "double precision function foo(i)" - foo = i * 3.2 - entry moo(i) - end - Note about ANSI_Libraries (relevant, e.g., to IRIX 4.0.1 and AIX) -added to README. - Abort zero divides during constant simplification. - -Sat Mar 21 01:27:09 EST 1992: - Tweak ckalloc (misc.c) for systems where malloc(0) = 0; this matters -for subroutines with multiple entry points but no arguments. - Add "struct memblock;" to init.c (irrelevant to most compilers). - -Wed Mar 25 13:31:05 EST 1992: - Fix bug with IMPLICIT INTEGER*4(...): under -i2 or -I2, the *4 was -ignored. - -Tue May 5 09:53:55 EDT 1992: - Tweaks to README; e.g., ANSI_LIbraries changed to ANSI_Libraries . - -Wed May 6 23:49:07 EDT 1992 - Under -A and -C++, have subroutines return 0 (even if they have -no * arguments). - Adjust libi77 (rsne.c and lread.c) for systems where ungetc is -a macro. Tweak lib[FI]77/makefile to use unique intermediate file -names (for parallel makes). - -Tue May 19 09:03:05 EDT 1992: - Adjust libI77 to make err= work with internal list and formatted I/O. - -Sat May 23 18:17:42 EDT 1992: - Under -A and -C++, supply "return 0;" after the code generated for -a STOP statement -- the C compiler doesn't know that s_stop won't -return. - New (mutually exclusive) options: - -f treats all input lines as free-format lines, - honoring text that appears after column 72 - and not padding lines shorter than 72 characters - with blanks (which matters if a character string - is continued across 2 or more lines). - -72 treats text appearing after column 72 as an error. - -Sun May 24 09:45:37 EDT 1992: - Tweak description of -f in f2c.1 and f2c.1t; update f2c.ps . - -Fri May 29 01:17:15 EDT 1992: - Complain about externals used as variables. Example - subroutine foo(a,b) - external b - a = a*b ! illegal use of b; perhaps should be b() - end - -Mon Jun 15 11:15:27 EDT 1992: - Fix bug in handling namelists with names that have underscores. - -Sat Jun 27 17:30:59 EDT 1992: - Under -A and -C++, end Main program aliases with "return 0;". - Under -A and -C++, use .P files and usage in previous subprograms -in the current file to give prototypes for functions declared EXTERNAL -but not invoked. - Fix memory fault under -d1 -P . - Under -A and -C++, cast arguments to the right types in calling -a function that has been defined in the current file or in a .P file. - Fix bug in handling multi-dimensional arrays with array references -in their leading dimensions. - Fix bug in the intrinsic cmplx function when the first argument -involves an expression for which f2c generates temporary variables, -e.g. cmplx(abs(real(a)),1.) . - -Sat Jul 18 07:36:58 EDT 1992: - Fix buglet with -e1c (invisible on most systems) temporary file -f2c_functions was unlinked before being closed. - libf77: fix bugs in evaluating m**n for integer n < 0 and m an -integer different from 1 or a real or double precision 0. -Catch SIGTRAP (to print "Trace trap" before aborting). Programs -that previously erroneously computed 1 for 0**-1 may now fault. -Relevant routines: main.c pow_di.c pow_hh.c pow_ii.c pow_ri.c . - -Sat Jul 18 08:40:10 EDT 1992: - libi77: allow namelist input to end with & (e.g. &end). - -Thu Jul 23 00:14:43 EDT 1992 - Append two underscores rather than one to C keywords used as -local variables to avoid conflicts with similarly named COMMON blocks. - -Thu Jul 23 11:20:55 EDT 1992: - libf77, libi77 updated to assume ANSI prototypes unless KR_headers -is #defined. - libi77 now recognizes a Z format item as in Fortran 90; -the implementation assumes 8-bit bytes and botches character strings -on little-endian machines (by printing their bytes from right to -left): expect this bug to persist; fixing it would require a -change to the I/O calling sequences. - -Tue Jul 28 15:18:33 EDT 1992: - libi77: insert missed "#ifdef KR_headers" lines around getnum -header in rsne.c. Version not updated. - -NOTE: "index from f2c" now ends with current timestamps of files in -"all from f2c/src", sorted by time. To bring your source up to date, -obtain source files with a timestamp later than the time shown in your -version.c. - -Fri Aug 14 08:07:09 EDT 1992: - libi77: tweak wrt_E in wref.c to avoid signing NaNs. - -Sun Aug 23 19:05:22 EDT 1992: - fc: supply : after O in getopt invocation (for -O1 -O2 -O3). - -Mon Aug 24 18:37:59 EDT 1992: - Recant above tweak to fc: getopt is dumber than I thought; -it's necessary to say -O 1 (etc.). - libF77/README: add comments about ABORT, ERF, DERF, ERFC, DERFC, -GETARG, GETENV, IARGC, SIGNAL, and SYSTEM. - -Tue Oct 27 01:57:42 EST 1992: - libf77, libi77: - 1. Fix botched indirection in signal_.c. - 2. Supply missing l_eof = 0 assignment to s_rsne() in rsne.c (so -end-of-file on other files won't confuse namelist reads of external -files). - 3. Prepend f__ to external names that are only of internal -interest to lib[FI]77. - -Thu Oct 29 12:37:18 EST 1992: - libf77: Fix botch in signal_.c when KR_headers is #defined; -add CFLAGS to makefile. - libi77: trivial change to makefile for consistency with -libF77/makefile. - -Wed Feb 3 02:05:16 EST 1993: - Recognize types INTEGER*1, LOGICAL*1, LOGICAL*2, INTEGER*8. -INTEGER*8 is not well tested and will only work reasonably on -systems where int = 4 bytes, long = 8 bytes; on such systems, -you'll have to modify f2c.h appropriately, changing integer -from long to int and adding typedef long longint. You'll also -have to compile libI77 with Allow_TYQUAD #defined and adjust -libF77/makefile to compile pow_qq.c. In the f2c source, changes -for INTEGER*8 are delimited by #ifdef TYQUAD ... #endif. You -can omit the INTEGER*8 changes by compiling with NO_TYQUAD -#defined. Otherwise, the new command-line option -!i8 -disables recognition of INTEGER*8. - libf77: add pow_qq.c - libi77: add #ifdef Allow_TYQUAD stuff. Changes for INTEGER*1, -LOGICAL*1, and LOGICAL*2 came last 23 July 1992. Fix bug in -backspace (that only bit when the last character of the second -or subsequent buffer read was the previous newline). Guard -against L_tmpnam being too small in endfile.c. For MSDOS, -close and reopen files when copying to truncate. Lengthen -LINTW (buffer size in lwrite.c). - Add \ to the end of #define lines that get broken. - Fix bug in handling NAMELIST of items in EQUIVALENCE. - Under -h (or -hd), convert Hollerith to integer in general expressions -(e.g., assignments), not just when they're passed as arguments, and -blank-pad rather than 0-pad the Hollerith to a multiple of -sizeof(integer) or sizeof(doublereal). - Add command-line option -s, which instructs f2c preserve multi- -dimensional subscripts (by emitting and using appropriate #defines). - Fix glitch (with default type inferences) in examples like - call foo('abc') - end - subroutine foo(goo) - end -This gave two warning messages: - Warning on line 4 of y.f: inconsistent calling sequences for foo: - here 1, previously 2 args and string lengths. - Warning on line 4 of y.f: inconsistent calling sequences for foo: - here 2, previously 1 args and string lengths. -Now the second Warning is suppressed. - Complain about all inconsistent arguments, not just the first. - Switch to automatic creation of "all from f2c/src". For folks -getting f2c source via ftp, this means f2c/src/all.Z is now an -empty file rather than a bundle. - Separate -P and -A: -P no longer implies -A. - -Thu Feb 4 00:32:20 EST 1993: - Fix some glitches (introduced yesterday) with -h . - -Fri Feb 5 01:40:38 EST 1993: - Fix bug in types conveyed for namelists (introduced 3 Feb. 1993). - -Fri Feb 5 21:26:43 EST 1993: - libi77: tweaks to NAMELIST and open (after comments by Harold -Youngren): - 1. Reading a ? instead of &name (the start of a namelist) causes - the namelist being sought to be written to stdout (unit 6); - to omit this feature, compile rsne.c with -DNo_Namelist_Questions. - 2. Reading the wrong namelist name now leads to an error message - and an attempt to skip input until the right namelist name is found; - to omit this feature, compile rsne.c with -DNo_Bad_Namelist_Skip. - 3. Namelist writes now insert newlines before each variable; to omit - this feature, compile xwsne.c with -DNo_Extra_Namelist_Newlines. - 4. For OPEN of sequential files, ACCESS='APPEND' (or - access='anything else starting with "A" or "a"') causes the file to - be positioned at end-of-file, so a write will append to the file. - (This is nonstandard, but does not require modifying data - structures.) - -Mon Feb 8 14:40:37 EST 1993: - Increase number of continuation lines allowed from 19 to 99, -and allow changing this limit with -NC (e.g. -NC200 for 200 lines). - Treat control-Z (at the beginning of a line) as end-of-file: see -the new penultimate paragraph of README. - Fix a rarely seen glitch that could make an error messages to say -"line 0". - -Tue Feb 9 02:05:40 EST 1993 - libi77: change some #ifdef MSDOS lines to #ifdef NON_UNIX_STDIO, -and, in err.c under NON_UNIX_STDIO, avoid close(creat(name,0666)) -when the unit has another file descriptor for name. - -Tue Feb 9 17:12:49 EST 1993 - libi77: more tweaks for NON_UNIX_STDIO: use stdio routines -rather than open, close, creat, seek, fdopen (except for f__isdev). - -Fri Feb 12 15:49:33 EST 1993 - Update src/gram.c (which was forgotten in the recent updates). -Most folks regenerate it anyway (wity yacc or bison). - -Thu Mar 4 17:07:38 EST 1993 - Increase default max labels in computed gotos and alternate returns -to 257, and allow -Nl1234 to specify this number. - Tweak put.c to check p->tag == TADDR in realpart() and imagpart(). - Adjust fc script to allow .r (RATFOR) files and -C (check subscripts). - Avoid declaring strchr in niceprintf.c under -DANSI_Libraries . - gram.c updated again. - libi77: err.c, open.c: take declaration of fdopen from rawio.h. - -Sat Mar 6 07:09:11 EST 1993 - libi77: uio.c: adjust off-end-of-record test for sequential -unformatted reads to respond to err= rather than end= . - -Sat Mar 6 16:12:47 EST 1993 - Treat scalar arguments of the form (v) and v+0, where v is a variable, -as expressions: assign to a temporary variable, and pass the latter. - gram.c updated. - -Mon Mar 8 09:35:38 EST 1993 - "f2c.h from f2c" updated to add types logical1 and integer1 for -LOGICAL*1 and INTEGER*1. ("f2c.h from f2c" is supposed to be the -same as "f2c.h from f2c/src", which was updated 3 Feb. 1993.) - -Mon Mar 8 17:57:55 EST 1993 - Fix rarely seen bug that could cause strange casts in function -invocations (revealed by an example with msdos/f2c.exe). - msdos/f2cx.exe.Z and msdos/f2c.exe.Z updated (ftp access only). - -Fri Mar 12 12:37:01 EST 1993 - Fix bug with -s in handling subscripts involving min, max, and -complicated expressions requiring temporaries. - Fix bug in handling COMMONs that need padding by a char array. - msdos/f2cx.exe.Z and msdos/f2c.exe.Z updated (ftp access only). - -Fri Mar 12 17:16:16 EST 1993 - libf77, libi77: updated for compiling under C++. - -Mon Mar 15 16:21:37 EST 1993 - libi77: more minor tweaks (for -DKR_headers); Version.c not changed. - -Thu Mar 18 12:37:30 EST 1993 - Flag -r (for discarding carriage-returns on systems that end lines -with carriage-return/newline pairs, e.g. PCs) added to xsum, and -xsum.c converted to ANSI/ISO syntax (with K&R syntax available with --DKR_headers). [When time permits, the f2c source will undergo a -similar conversion.] - libi77: tweaks to #includes in endfile.c, err.c, open.c, rawio.h; -Version.c not changed. - f2c.ps updated (to pick up revision of 2 Feb. 1993 to f2c.1). - -Fri Mar 19 09:19:26 EST 1993 - libi77: add (char *) casts to malloc and realloc invocations -in err.c, open.c; Version.c not changed. - -Tue Mar 30 07:17:15 EST 1993 - Fix bug introduced 6 March 1993: possible memory corruption when -loops in data statements involve constant subscripts, as in - DATA (GUNIT(1,I),I=0,14)/15*-1/ - -Tue Mar 30 16:17:42 EST 1993 - Fix bug with -s: (floating-point array item)*(complex item) -generates an _subscr() reference for the floating-point array, -but a #define for the _subscr() was omitted. - -Tue Apr 6 12:11:22 EDT 1993 - libi77: adjust error returns for formatted inputs to flush the current -input line when err= is specified. To restore the old behavior (input -left mid-line), either adjust the #definition of errfl in fio.h or omit -the invocation of f__doend in err__fl (in err.c). - -Tue Apr 6 13:30:04 EDT 1993 - Fix bug revealed in - subroutine foo(i) - call goo(int(i)) - end -which now passes a copy of i, rather than i itself. - -Sat Apr 17 11:41:02 EDT 1993 - Adjust appending of underscores to conform with f2c.ps ("A Fortran -to C Converter"): names that conflict with C keywords or f2c type -names now have just one underscore appended (rather than two); add -"integer1", "logical1", "longint" to the keyword list. - Append underscores to names that appear in EQUIVALENCE and are -component names in a structure declared in f2c.h, thus avoiding a -problem caused by the #defines emitted for equivalences. Example: - complex a - equivalence (i,j) - a = 1 ! a.i went awry because of #define i - j = 2 - write(*,*) a, i - end - Adjust line-breaking logic to avoid splitting very long constants -(and names). Example: - ! The next line starts with tab and thus is a free-format line. - a=.012345689012345689012345689012345689012345689012345689012345689012345689 - end - Omit extraneous "return 0;" from entry stubs emitted for multiple -entry points of type character, complex, or double complex. - -Sat Apr 17 14:35:05 EDT 1993 - Fix bug (introduced 4 Feb.) in separating -P from -A that kept f2c -from re-reading a .P file written without -A or -C++ describing a -routine with an external argument. [See the just-added note about -separating -P from -A in the changes above for 3 Feb. 1993.] - Fix bug (type UNKNOWN for V in the example below) revealed by - subroutine a() - external c - call b(c) - end - subroutine b(v) - end - -Sun Apr 18 19:55:26 EDT 1993 - Fix wrong calling sequence for mem() in yesterday's addition to -equiv.c . - -Wed Apr 21 17:39:46 EDT 1993 - Fix bug revealed in - - ASSIGN 10 TO L1 - GO TO 20 - 10 ASSIGN 30 TO L2 - STOP 10 - - 20 ASSIGN 10 TO L2 ! Bug here because 10 had been assigned - ! to another label, then defined. - GO TO L2 - 30 END - -Fri Apr 23 18:38:50 EDT 1993 - Fix bug with -h revealed in - CHARACTER*9 FOO - WRITE(FOO,'(I6)') 1 - WRITE(FOO,'(I6)') 2 ! struct icilist io___3 botched - END - -Tue Apr 27 16:08:28 EDT 1993 - Tweak to makefile: remove "size f2c". - -Tue May 4 23:48:20 EDT 1993 - libf77: tweak signal_ line of f2ch.add . - -Tue Jun 1 13:47:13 EDT 1993 - Fix bug introduced 3 Feb. 1993 in handling multiple entry -points with differing return types -- the postfix array in proc.c -needed a new entry for integer*8 (which resulted in wrong -Multitype suffixes for non-integral types). - For (default) K&R C, generate VOID rather than int functions for -functions of Fortran type character, complex, and double complex. - msdos/f2cx.exe.Z and msdos/f2c.exe.Z updated (ftp access only). - -Tue Jun 1 23:11:15 EDT 1993 - f2c.h: add Multitype component g and commented type longint. - proc.c: omit "return 0;" from stubs for complex and double complex -entries (when entries have multiple types); add test to avoid memory -fault with illegal combinations of entry types. - -Mon Jun 7 12:00:47 EDT 1993 - Fix memory fault in - common /c/ m - integer m(1) - data m(1)/1/, m(2)/2/ ! one too many initializers - end - msdos/f2cx.exe.Z and msdos/f2c.exe.Z updated (ftp access only). - -Fri Jun 18 13:55:51 EDT 1993 - libi77: change type of signal_ in f2ch.add; change type of il in -union Uint from long to integer (for machines like the DEC Alpha, -where integer should be the same as int). Version.c not changed. - Tweak gram.dcl and gram.head: add semicolons after some rules that -lacked them, and remove an extraneous semicolon. These changes are -completely transparent to our local yacc programs, but apparently -matter on some VMS systems. - -Wed Jun 23 01:02:56 EDT 1993 - Update "fc" shell script, and bring f2c.1 and f2c.1t up to date: -they're meant to be linked with (i.e., the same as) src/f2c.1 and -src/f2c.1t . [In the last update of f2c.1* (2 Feb. 1993), only -src/f2c.1 and src/f2c.1t got changed -- a mistake.] - -Wed Jun 23 09:04:31 EDT 1993 - libi77: fix bug in format reversions for internal writes. -Example: - character*60 lines(2) - write(lines,"('n =',i3,2(' more text',i3))") 3, 4, 5, 6 - write(*,*) 'lines(1) = ', lines(1) - write(*,*) 'lines(2) = ', lines(2) - end -gave an error message that began "iio: off end of record", rather -than giving the correct output: - - lines(1) = n = 3 more text 4 more text 5 - lines(2) = more text 6 more text - -Thu Aug 5 11:31:14 EDT 1993 - libi77: lread.c: fix bug in handling repetition counts for logical -data (during list or namelist input). Change struct f__syl to -struct syl (for buggy compilers). - -Sat Aug 7 16:05:30 EDT 1993 - libi77: lread.c (again): fix bug in namelist reading of incomplete -logical arrays. - Fix minor calling-sequence errors in format.c, output.c, putpcc.c: -should be invisible. - -Mon Aug 9 09:12:38 EDT 1993 - Fix erroneous cast under -A in translating - character*(*) function getc() - getc(2:3)=' ' !wrong cast in first arg to s_copy - end - libi77: lread.c: fix bug in namelist reading of an incomplete array -of numeric data followed by another namelist item whose name starts -with 'd', 'D', 'e', or 'E'. - -Fri Aug 20 13:22:10 EDT 1993 - Fix bug in do while revealed by - subroutine skdig (line, i) - character line*(*), ch*1 - integer i - logical isdigit - isdigit(ch) = ch.ge.'0' .and. ch.le.'9' - do while (isdigit(line(i:i))) ! ch__1[0] was set before - ! "while(...) {...}" - i = i + 1 - enddo - end - -Fri Aug 27 08:22:54 EDT 1993 - Add #ifdefs to avoid declaring atol when it is a macro; version.c -not updated. - -Wed Sep 8 12:24:26 EDT 1993 - libi77: open.c: protect #include "sys/..." with -#ifndef NON_UNIX_STDIO; Version date not changed. - -Thu Sep 9 08:51:21 EDT 1993 - Adjust "include" to interpret file names relative to the directory -of the file that contains the "include". - -Fri Sep 24 00:56:12 EDT 1993 - Fix offset error resulting from repeating the same equivalence -statement twice. Example: - real a(2), b(2) - equivalence (a(2), b(2)) - equivalence (a(2), b(2)) - end - Increase MAXTOKENLEN (to roughly the largest allowed by ANSI C). - -Mon Sep 27 08:55:09 EDT 1993 - libi77: endfile.c: protect #include "sys/types.h" with -#ifndef NON_UNIX_STDIO; Version.c not changed. - -Fri Oct 15 15:37:26 EDT 1993 - Fix rarely seen parsing bug illustrated by - subroutine foo(xabcdefghij) - character*(*) xabcdefghij - IF (xabcdefghij.NE.'##') GOTO 40 - 40 end -in which the spacing in the IF line is crucial. - -Thu Oct 21 13:55:11 EDT 1993 - Give more meaningful error message (then "unexpected character in -cds") when constant simplification leads to Infinity or NaN. - -Wed Nov 10 15:01:05 EST 1993 - libi77: backspace.c: adjust, under -DMSDOS, to cope with MSDOS -text files, as handled by some popular PC C compilers. Beware: -the (defective) libraries associated with these compilers assume lines -end with \r\n (conventional MS-DOS text files) -- and ftell (and -hence the current implementation of backspace) screws up if lines with -just \n. - -Thu Nov 18 09:37:47 EST 1993 - Give a better error (than "control stack empty") for an extraneous -ENDDO. Example: - enddo - end - Update comments about ftp in "readme from f2c". - -Sun Nov 28 17:26:50 EST 1993 - Change format of time stamp in version.c to yyyymmdd. - Sort parameter adjustments (or complain of impossible dependencies) -so that dummy arguments are referenced only after being adjusted. -Example: - subroutine foo(a,b) - integer a(2) ! a must be adjusted before b - double precision b(a(1),a(2)) - call goo(b(3,4)) - end - Adjust structs for initialized common blocks and equivalence classes -to omit the trailing struct component added to force alignment when -padding already forces the desired alignment. Example: - PROGRAM TEST - COMMON /Z/ A, CC - CHARACTER*4 CC - DATA cc /'a'/ - END -now gives - struct { - integer fill_1[1]; - char e_2[4]; - } z_ = { {0}, {'a', ' ', ' ', ' '} }; -rather than -struct { - integer fill_1[1]; - char e_2[4]; - real e_3; - } z_ = { {0}, {'a', ' ', ' ', ' '}, (float)0. }; - -Wed Dec 8 16:24:43 EST 1993 - Adjust lex.c to recognize # nnn "filename" lines emitted by cpp; -this affects the file names and line numbers in error messages and -the #line lines emitted under -g. - Under -g, arrange for a file that starts with an executable -statement to have the first #line line indicate line 1, rather -than the line number of the END statement ending the main program. - Adjust fc script to run files ending in .F through /lib/cpp. - Fix bug ("Impossible tag 2") in - if (t .eq. (0,2)) write(*,*) 'Bug!' - end - libi77: iio.c: adjust internal formatted reads to treat short records -as though padded with blanks (rather than causing an "off end of record" -error). - -Wed Dec 15 15:19:15 EST 1993 - fc: adjusted for .F files to pass -D and -I options to cpp. - -Fri Dec 17 20:03:38 EST 1993 - Fix botch introduced 28 Nov. 1993 in vax.c; change "version of" -to "version". - -Tue Jan 4 15:39:52 EST 1994 - msdos/f2cx.exe.Z and msdos/f2c.exe.Z updated (ftp access only). - -Wed Jan 19 08:55:19 EST 1994 - Arrange to accept - integer Nx, Ny, Nz - parameter (Nx = 10, Ny = 20) - parameter (Nz = max(Nx, Ny)) - integer c(Nz) - call foo(c) - end -rather than complaining "Declaration error for c: adjustable dimension -on non-argument". The necessary changes cause some hitherto unfolded -constant expressions to be folded. - Accept BYTE as a synonym for INTEGER*1. - -Thu Jan 27 08:57:40 EST 1994 - Fix botch in changes of 19 Jan. 1994 that broke entry points with -multi-dimensional array arguments that did not appear in the subprogram -argument list and whose leading dimensions depend on arguments. - -Mon Feb 7 09:24:30 EST 1994 - Remove artifact in "fc" script that caused -O to be ignored: - 87c87 - < # lcc ignores -O... - --- - > CFLAGS="$CFLAGS $O" - -Sun Feb 20 17:04:58 EST 1994 - Fix bugs reading .P files for routines with arguments of type -INTEGER*1, INTEGER*8, LOGICAL*2. - Fix glitch in reporting inconsistent arguments for routines involving -character arguments: "arg n" had n too large by the number of -character arguments. - -Tue Feb 22 20:50:08 EST 1994 - Trivial changes to data.c format.c main.c niceprintf.c output.h and -sysdep.h (consistency improvements). - libI77: lread.c: check for NULL return from realloc. - -Fri Feb 25 23:56:08 EST 1994 - output.c, sysdep.h: arrange for -DUSE_DTOA to use dtoa.c and g_fmt.c -for correctly rounded decimal values on IEEE-arithmetic machines -(plus machines with VAX and IBM-mainframe arithmetic). These -routines are available from netlib's fp directory. - msdos/f2cx.exe.Z and msdos/f2c.exe.Z updated (ftp access only); the -former uses -DUSE_DTOA to keep 12 from printing as 12.000000000000001. - vax.c: fix wrong arguments to badtag and frchain introduced -28 Nov. 1993. - Source for f2c converted to ANSI/ISO format, with the K&R format -available by compilation with -DKR_headers . - Arrange for (double precision expression) relop (single precision -constant) to retain the single-precision nature of the constant. -Example: - double precision t - if (t .eq. 0.3) ... - -Mon Feb 28 11:40:24 EST 1994 - README updated to reflect a modification just made to netlib's -"dtoa.c from fp": -96a97,105 -> Also add the rule -> -> dtoa.o: dtoa.c -> $(CC) -c $(CFLAGS) -DMALLOC=ckalloc -DIEEE... dtoa.c -> -> (without the initial tab) to the makefile, where IEEE... is one of -> IEEE_MC68k, IEEE_8087, VAX, or IBM, depending on your machine's -> arithmetic. See the comments near the start of dtoa.c. -> - -Sat Mar 5 09:41:52 EST 1994 - Complain about functions with the name of a previously declared -common block (which is illegal). - New option -d specifies the directory for output .c and .P files; -f2c.1 and f2c.1t updated. The former undocumented debug option -dnnn -is now -Dnnn. - -Thu Mar 10 10:21:44 EST 1994 - libf77: add #undef min and #undef max lines to s_paus.c s_stop.c -and system_.c; Version.c not changed. - libi77: add -DPad_UDread lines to uio.c and explanation to README: - Some buggy Fortran programs use unformatted direct I/O to write - an incomplete record and later read more from that record than - they have written. For records other than the last, the unwritten - portion of the record reads as binary zeros. The last record is - a special case: attempting to read more from it than was written - gives end-of-file -- which may help one find a bug. Some other - Fortran I/O libraries treat the last record no differently than - others and thus give no help in finding the bug of reading more - than was written. If you wish to have this behavior, compile - uio.c with -DPad_UDread . -Version.c not changed. - -Tue Mar 29 17:27:54 EST 1994 - Adjust make_param so dimensions involving min, max, and other -complicated constant expressions do not provoke error messages -about adjustable dimensions on non-arguments. - Fix botch introduced 19 Jan 1994: "adjustable dimension on non- -argument" messages could cause some things to be freed twice. - -Tue May 10 07:55:12 EDT 1994 - Trivial changes to exec.c, p1output.c, parse_args.c, proc.c, -and putpcc.c: change arguments from - type foo[] -to - type *foo -for consistency with defs.h. For most compilers, this makes no -difference. - -Thu Jun 2 12:18:18 EDT 1994 - Fix bug in handling FORMAT statements that have adjacent character -(or Hollerith) strings: an extraneous \002 appeared between the -strings. - libf77: under -DNO_ONEXIT, arrange for f_exit to be called just -once; previously, upon abnormal termination (including stop statements), -it was called twice. - -Mon Jun 6 15:52:57 EDT 1994 - libf77: Avoid references to SIGABRT and SIGIOT if neither is defined; -Version.c not changed. - libi77: Add cast to definition of errfl() in fio.h; this only matters -on systems with sizeof(int) < sizeof(long). Under -DNON_UNIX_STDIO, -use binary mode for direct formatted files (to avoid any confusion -connected with \n characters). - -Fri Jun 10 16:47:31 EDT 1994 - Fix bug under -A in handling unreferenced (and undeclared) -external arguments in subroutines with multiple entry points. Example: - subroutine m(fcn,futil) - external fcn,futil - call fcn - entry mintio(i1) ! (D_fp)0 rather than (U_fp)0 for futil - end - -Wed Jun 15 10:38:14 EDT 1994 - Allow char(constant expression) function in parameter declarations. -(This was probably broken in the changes of 29 March 1994.) - -Fri Jul 1 23:54:00 EDT 1994 - Minor adjustments to makefile (rule for f2c.1 commented out) and -sysdep.h (#undef KR_headers if __STDC__ is #defined, and base test -for ANSI_Libraries and ANSI_Prototypes on KR_headers rather than -__STDC__); version.c touched but not changed. - libi77: adjust fp.h so local.h is only needed under -DV10; -Version.c not changed. - -Tue Jul 5 03:05:46 EDT 1994 - Fix segmentation fault in - subroutine foo(a,b,k) - data i/1/ - double precision a(k,1) ! sequence error: must precede data - b = a(i,1) - end - libi77: Fix bug (introduced 6 June 1994?) in reopening files under -NON_UNIX_STDIO. - Fix some error messages caused by illegal Fortran. Examples: -* 1. - x(i) = 0 !Missing declaration for array x - call f(x) !Said Impossible storage class 8 in routine mkaddr - end !Now says invalid use of statement function x -* 2. - f = g !No declaration for g; by default it's a real variable - call g !Said invalid class code 2 for function g - end !Now says g cannot be called -* 3. - intrinsic foo !Invalid intrinsic name - a = foo(b) !Said intrcall: bad intrgroup 0 - end !Now just complains about line 1 - -Tue Jul 5 11:14:26 EDT 1994 - Fix glitch in handling erroneous statement function declarations. -Example: - a(j(i) - i) = a(j(i) - i) + 1 ! bad statement function - call foo(a(3)) ! Said Impossible type 0 in routine mktmpn - end ! Now warns that i and j are not used - -Wed Jul 6 17:31:25 EDT 1994 - Tweak test for statement functions that (illegally) call themselves; -f2c will now proceed to check for other errors, rather than bailing -out at the first recursive statement function reference. - Warn about but retain divisions by 0 (instead of calling them -"compiler errors" and quiting). On IEEE machines, this permits - double precision nan, ninf, pinf - nan = 0.d0/0.d0 - pinf = 1.d0/0.d0 - ninf = -1.d0/0.d0 - write(*,*) 'nan, pinf, ninf = ', nan, pinf, ninf - end -to print - nan, pinf, ninf = NaN Infinity -Infinity - libi77: wref.c: protect with #ifdef GOOD_SPRINTF_EXPONENT an -optimization that requires exponents to have 2 digits when 2 digits -suffice. lwrite.c wsfe.c (list and formatted external output): -omit ' ' carriage-control when compiled with -DOMIT_BLANK_CC . -Off-by-one bug fixed in character count for list output of character -strings. Omit '.' in list-directed printing of Nan, Infinity. - -Mon Jul 11 13:05:33 EDT 1994 - src/gram.c updated. - -Tue Jul 12 10:24:42 EDT 1994 - libi77: wrtfmt.c: under G11.4, write 0. as " .0000 " rather -than " .0000E+00". - -Thu Jul 14 17:55:46 EDT 1994 - Fix glitch in changes of 6 July 1994 that could cause erroneous -"division by zero" warnings (or worse). Example: - subroutine foo(a,b) - y = b - a = a / y ! erroneous warning of division by zero - end - -Mon Aug 1 16:45:17 EDT 1994 - libi77: lread.c rsne.c: for benefit of systems with a buggy stdio.h, -declare ungetc when neither KR_headers nor ungetc is #defined. -Version.c not changed. - -Wed Aug 3 01:53:00 EDT 1994 - libi77: lwrite.c (list output): do not insert a newline when -appending an oversize item to an empty line. - -Mon Aug 8 00:51:01 EDT 1994 - Fix bug (introduced 3 Feb. 1993) that, under -i2, kept LOGICAL*2 -variables from appearing in INQUIRE statements. Under -I2, allow -LOGICAL*4 variables to appear in INQUIRE. Fix intrinsic function -LEN so it returns a short value under -i2, a long value otherwise. - exec.c: fix obscure memory fault possible with bizarre (and highly -erroneous) DO-loop syntax. - -Fri Aug 12 10:45:57 EDT 1994 - libi77: fix glitch that kept ERR= (in list- or format-directed input) -from working after a NAMELIST READ. - -Thu Aug 25 13:58:26 EDT 1994 - Suppress -s when -C is specified. - Give full pathname (netlib@research.att.com) for netlib in readme and -src/README. - -Wed Sep 7 22:13:20 EDT 1994 - libi77: typesize.c: adjust to allow types LOGICAL*1, LOGICAL*2, -INTEGER*1, and (under -DAllow_TYQUAD) INTEGER*8 in NAMELISTs. - -Fri Sep 16 17:50:18 EDT 1994 - Change name adjustment for reserved words: instead of just appending -"_" (a single underscore), append "_a_" to local variable names to avoid -trouble when a common block is named a reserved word and the same -reserved word is also a local variable name. Example: - common /const/ a,b,c - real const(3) - equivalence (const(1),a) - a = 1.234 - end - Arrange for ichar() to treat characters as unsigned. - libf77: s_cmp.c: treat characters as unsigned in comparisons. -These changes for unsignedness only matter for strings that contain -non-ASCII characters. Now ichar() should always be >= 0. - -Sat Sep 17 11:19:32 EDT 1994 - fc: set rc=$? before exit (to get exit code right in trap code). - -Mon Sep 19 17:49:43 EDT 1994 - libf77: s_paus.c: flush stderr after PAUSE; add #ifdef MSDOS stuff. - libi77: README: point out general need for -DMSDOS under MS-DOS. - -Tue Sep 20 11:42:30 EDT 1994 - Fix bug in comparing identically named common blocks, in which -all components have the same names and types, but at least one is -dimensioned (1) and the other is not dimensioned. Example: - subroutine foo - common /ab/ a - a=1. !!! translated correctly to ab_1.a = (float)1.; - end - subroutine goo - common /ab/ a(1) - a(1)=2. !!! translated erroneously to ab_1.a[0] = (float)2. - end - -Tue Sep 27 23:47:34 EDT 1994 - Fix bug introduced 16 Sept. 1994: don't add _a_ to C keywords -used as external names. In fact, return to earlier behavior of -appending __ to C keywords unless they are used as external names, -in which case they get just one underscore appended. - Adjust constant handling so integer and logical PARAMETERs retain -type information, particularly under -I2. Example: - SUBROUTINE FOO - INTEGER I - INTEGER*1 I1 - INTEGER*2 I2 - INTEGER*4 I4 - LOGICAL L - LOGICAL*1 L1 - LOGICAL*2 L2 - LOGICAL*4 L4 - PARAMETER (L=.FALSE., L1=.FALSE., L2=.FALSE., L4=.FALSE.) - PARAMETER (I=0,I1=0,I2=0,I4=0) - CALL DUMMY(I, I1, I2, I4, L, L1, L2, L4) - END - f2c.1t: Change f\^2c to f2c (omit half-narrow space) in line following -".SH NAME" for benefit of systems that cannot cope with troff commands -in this context. - -Wed Sep 28 12:45:19 EDT 1994 - libf77: s_cmp.c fix glitch in -DKR_headers version introduced -12 days ago. - -Thu Oct 6 09:46:53 EDT 1994 - libi77: util.c: omit f__mvgbt (which is never used). - f2c.h: change "long" to "long int" to facilitate the adjustments -by means of sed described above. Comment out unused typedef of Long. - -Fri Oct 21 18:02:24 EDT 1994 - libf77: add s_catow.c and adjust README to point out that changing -"s_cat.o" to "s_catow.o" in the makefile will permit the target of a -concatenation to appear on its right-hand side (contrary to the -Fortran 77 Standard and at the cost of some run-time efficiency). - -Wed Nov 2 00:03:58 EST 1994 - Adjust -g output to contain only one #line line per statement, -inserting \ before the \n ending lines broken because of their -length [this insertion was recanted 10 Dec. 1994]. This change -accommodates an idiocy in the ANSI/ISO C standard, which leaves -undefined the behavior of #line lines that occur within the arguments -to a macro call. - -Wed Nov 2 14:44:27 EST 1994 - libi77: under compilation with -DALWAYS_FLUSH, flush buffers at -the end of each write statement, and test (via the return from -fflush) for write failures, which can be caught with an ERR= -specifier in the write statement. This extra flushing slows -execution, but can abort execution or alter the flow of control -when a disk fills up. - f2c/src/io.c: Add ERR= test to e_wsle invocation (end of -list-directed external output) to catch write failures when libI77 -is compiled with -DALWAYS_FLUSH. - -Thu Nov 3 10:59:13 EST 1994 - Fix bug in handling dimensions involving certain intrinsic -functions of constant expressions: the expressions, rather than -pointers to them, were passed. Example: - subroutine subtest(n,x) - real x(2**n,n) ! pow_ii(2,n) was called; now it's pow_ii(&c__2,n) - x(2,2)=3. - end - -Tue Nov 8 23:56:30 EST 1994 - malloc.c: remove assumption that only malloc calls sbrk. This -appears to make malloc.c useful on RS6000 systems. - -Sun Nov 13 13:09:38 EST 1994 - Turn off constant folding of integers used in floating-point -expressions, so the assignment in - subroutine foo(x) - double precision x - x = x*1000000*500000 - end -is rendered as - *x = *x * 1000000 * 500000; -rather than as - *x *= 1783793664; - -Sat Dec 10 16:31:40 EST 1994 - Supply a better error message (than "Impossible type 14") for - subroutine foo - foo = 3 - end - Under -g, convey name of included files to #line lines. - Recant insertion of \ introduced (under -g) 2 Nov. 1994. - -Thu Dec 15 14:33:55 EST 1994 - New command-line option -Idir specifies directories in which to -look for non-absolute include files (after looking in the directory -of the current input file). There can be several -Idir options, each -specifying one directory. All -Idir options are considered, from -left to right, until a suitably named file is found. The -I2 and -I4 -command-line options have precedence, so directories named 2 or 4 -must be spelled by some circumlocation, such as -I./2 . - f2c.ps updated to mention the new -Idir option, correct a typo, -and bring the man page at the end up to date. - lex.c: fix bug in reading line numbers in #line lines. - fc updated to pass -Idir options to f2c. - -Thu Dec 29 09:48:03 EST 1994 - Fix bug (e.g., addressing fault) in diagnosing inconsistency in -the type of function eta in the following example: - function foo(c1,c2) - double complex foo,c1,c2 - double precision eta - foo = eta(c1,c2) - end - function eta(c1,c2) - double complex eta,c1,c2 - eta = c1*c2 - end - -Mon Jan 2 13:27:26 EST 1995 - Retain casts for SNGL (or FLOAT) that were erroneously optimized -away. Example: - subroutine foo(a,b) - double precision a,b - a = float(b) ! now rendered as *a = (real) (*b); - end - Use float (rather than double) temporaries in certain expressions -of type complex. Example: the temporary for sngl(b) in - complex a - double precision b - a = sngl(b) - (3.,4.) -is now of type float. - -Fri Jan 6 00:00:27 EST 1995 - Adjust intrinsic function cmplx to act as dcmplx (returning -double complex rather than complex) if either of its args is of -type double precision. The double temporaries used prior to 2 Jan. -1995 previously gave it this same behavior. - -Thu Jan 12 12:31:35 EST 1995 - Adjust -krd to use double temporaries in some calculations of -type complex. - libf77: pow_[dhiqrz][hiq].c: adjust x**i to work on machines -that sign-extend right shifts when i is the most negative integer. - -Wed Jan 25 00:14:42 EST 1995 - Fix memory fault in handling overlapping initializations in - block data - common /zot/ d - double precision d(3) - character*6 v(4) - real r(2) - equivalence (d(3),r(1)), (d(1),v(1)) - data v/'abcdef', 'ghijkl', 'mnopqr', 'stuvwx'/ - data r/4.,5./ - end - names.c: add "far", "huge", "near" to c_keywords (causing them -to have __ appended when used as local variables). - libf77: add s_copyow.c, an alternative to s_copy.c for handling -(illegal) character assignments where the right- and left-hand -sides overlap, as in a(2:4) = a(1:3). - -Thu Jan 26 14:21:19 EST 1995 - libf77: roll s_catow.c and s_copyow.c into s_cat.c and s_copy.c, -respectively, allowing the left-hand side of a character assignment -to appear on its right-hand side unless s_cat.c and s_copy.c are -compiled with -DNO_OVERWRITE (which is a bit more efficient). -Fortran 77 forbids the left-hand side from participating in the -right-hand side (of a character assignment), but Fortran 90 allows it. - libi77: wref.c: fix glitch in printing the exponent of 0 when -GOOD_SPRINTF_EXPONENT is not #defined. - -Fri Jan 27 12:25:41 EST 1995 - Under -C++ -ec (or -C++ -e1c), surround struct declarations with - #ifdef __cplusplus - extern "C" { - #endif -and - #ifdef __cplusplus - } - #endif -(This isn't needed with cfront, but apparently is necessary with -some other C++ compilers.) - libf77: minor tweak to s_copy.c: copy forward whenever possible -(for better cache behavior). - -Wed Feb 1 10:26:12 EST 1995 - Complain about parameter statements that assign values to dummy -arguments, as in - subroutine foo(x) - parameter(x = 3.4) - end - -Sat Feb 4 20:22:02 EST 1995 - fc: omit "lib=/lib/num/lib.lo". - -Wed Feb 8 08:41:14 EST 1995 - Minor changes to exec.c, putpcc.c to avoid "bad tag" or "error -in frexpr" with certain invalid Fortran. - -Sat Feb 11 08:57:39 EST 1995 - Complain about integer overflows, both in simplifying integer -expressions, and in converting integers from decimal to binary. - Fix a memory fault in putcx1() associated with invalid input. - -Thu Feb 23 11:20:59 EST 1995 - Omit MAXTOKENLEN; realloc token if necessary (to handle very long -strings). - -Fri Feb 24 11:02:00 EST 1995 - libi77: iio.c: z_getc: insert (unsigned char *) to allow internal -reading of characters with high-bit set (on machines that sign-extend -characters). - -Tue Mar 14 18:22:42 EST 1995 - Fix glitch (in io.c) in handling 0-length strings in format -statements, as in - write(*,10) - 10 format(' ab','','cd') - libi77: lread.c and rsfe.c: adjust s_rsle and s_rsfe to check for -end-of-file (to prevent infinite loops with empty read statements). - -Wed Mar 22 10:01:46 EST 1995 - f2c.ps: adjust discussion of -P on p. 7 to reflect a change made -3 Feb. 1993: -P no longer implies -A. - -Fri Apr 21 18:35:00 EDT 1995 - fc script: remove absolute paths (since PATH specifies only standard -places). On most systems, it's still necessary to adjust the PATH -assignment at the start of fc to fit the local conventions. - -Fri May 26 10:03:17 EDT 1995 - fc script: add recognition of -P and .P files. - libi77: iio.c: z_wnew: fix bug in handling T format items in internal -writes whose last item is written to an earlier position than some -previous item. - -Wed May 31 11:39:48 EDT 1995 - libf77: added subroutine exit(rc) (with integer return code rc), -which works like a stop statement but supplies rc as the program's -return code. - -Fri Jun 2 11:56:50 EDT 1995 - Fix memory fault in - parameter (x=2.) - data x /2./ - end -This now elicits two error messages; the second ("too many -initializers"), though not desirable, seems hard to eliminate -without considerable hassle. - -Mon Jul 17 23:24:20 EDT 1995 - Fix botch in simplifying constants in certain complex -expressions. Example: - subroutine foo(s,z) - double complex z - double precision s, M, P - parameter ( M = 100.d0, P = 2.d0 ) - z = M * M / s * dcmplx (1.d0, P/M) -*** The imaginary part of z was miscomputed *** - end - Under -ext, complain about nonintegral dimensions. - -Fri Jul 21 11:18:36 EDT 1995 - Fix glitch on line 159 of init.c: change - "(shortlogical *)0)", -to - "(shortlogical *)0", -This affects multiple entry points when some but not all have -arguments of type logical*2. - libi77: adjust lwrite.c, wref.c, wrtfmt.c so compiling with --DWANT_LEAD_0 causes formatted writes of floating-point numbers of -magnitude < 1 to have an explicit 0 before the decimal point (if the -field-width permits it). Note that the Fortran 77 Standard leaves it -up to the implementation whether to supply these superfluous zeros. - -Tue Aug 1 09:25:56 EDT 1995 - Permit real (or double precision) parameters in dimension expressions. - -Mon Aug 7 08:04:00 EDT 1995 - Append "_eqv" rather than just "_" to names that that appear in -EQUIVALENCE statements as well as structs in f2c.h (to avoid a -conflict when these names also name common blocks). - -Tue Aug 8 12:49:02 EDT 1995 - Modify yesterday's change: merge st_fields with c_keywords, to -cope with equivalences introduced to permit initializing numeric -variables with character data. DATA statements causing these -equivalences can appear after executable statements, so the only -safe course is to rename all local variable with names in the -former st_fields list. This has the unfortunate side effect that -the common local variable "i" will henceforth be renamed "i__". - -Wed Aug 30 00:19:32 EDT 1995 - libf77: add F77_aloc, now used in s_cat and system_ (to allocate -memory and check for failure in so doing). - libi77: improve MSDOS logic in backspace.c. - -Wed Sep 6 09:06:19 EDT 1995 - libf77: Fix return type of system_ (integer) under -DKR_headers. - libi77: Move some f_init calls around for people who do not use -libF77's main(); now open and namelist read statements that are the -first I/O statements executed should work right in that context. -Adjust namelist input to treat a subscripted name whose subscripts do -not involve colons similarly to the name without a subscript: accept -several values, stored in successive elements starting at the -indicated subscript. Adjust namelist output to quote character -strings (avoiding confusion with arrays of character strings). - -Thu Sep 7 00:36:04 EDT 1995 - Fix glitch in integer*8 exponentiation function: it's pow_qq, not -pow_qi. - libi77: fix some bugs with -DAllow_TYQUAD (for integer*8); when -looking for the &name that starts NAMELIST input, treat lines whose -first nonblank character is something other than &, $, or ? as -comment lines (i.e., ignore them), unless rsne.c is compiled with --DNo_Namelist_Comments. - -Thu Sep 7 09:05:40 EDT 1995 - libi77: rdfmt.c: one more tweak for -DAllow_TYQUAD. - -Tue Sep 19 00:03:02 EDT 1995 - Adjust handling of floating-point subscript bounds (a questionable -f2c extension) so subscripts in the generated C are of integral type. - Move #define of roundup to proc.c (where its use is commented out); -version.c left at 19950918. - -Wed Sep 20 17:24:19 EDT 1995 - Fix bug in handling ichar() under -h. - -Thu Oct 5 07:52:56 EDT 1995 - libi77: wrtfmt.c: fix bug with t editing (f__cursor was not always -zeroed in mv_cur). - -Tue Oct 10 10:47:54 EDT 1995 - Under -ext, warn about X**-Y and X**+Y. Following the original f77, -f2c treats these as X**(-Y) and X**(+Y), respectively. (They are not -allowed by the official Fortran 77 Standard.) Some Fortran compilers -give a bizarre interpretation to larger contexts, making multiplication -noncommutative: they treat X**-Y*Z as X**(-Y*Z) rather than X**(-Y)*Z, -which, following the rules of Fortran 77, is the same as (X**(-Y))*Z. - -Wed Oct 11 13:27:05 EDT 1995 - libi77: move defs of f__hiwater, f__svic, f__icptr from wrtfmt.c -to err.c. This should work around a problem with buggy loaders and -sometimes leads to smaller executable programs. - -Sat Oct 21 23:54:22 EDT 1995 - Under -h, fix bug in the treatment of ichar('0') in arithmetic -expressions. - Demote to -dneg (a new command-line option not mentioned in the -man page) imitation of the original f77's treatment of unary minus -applied to a REAL operand (yielding a DOUBLE PRECISION result). -Previously this imitation (which was present for debugging) occurred -under (the default) -!R. It is still suppressed by -R. - -Tue Nov 7 23:52:57 EST 1995 - Adjust assigned GOTOs to honor SAVE declarations. - Add comments about ranlib to lib[FI]77/README and makefile. - -Tue Dec 19 22:54:06 EST 1995 - libf77: s_cat.c: fix bug when 2nd or later arg overlaps lhs. - -Tue Jan 2 17:54:00 EST 1996 - libi77: rdfmt.c: move #include "ctype.h" up before "stdlib.h"; no -change to Version.c. - -Sun Feb 25 22:20:20 EST 1996 - Adjust expr.c to permit raising the integer constants 1 and -1 to -negative constant integral powers. - Avoid faulting when -T and -d are not followed by a directory name -(immediately, without intervening spaces). - -Wed Feb 28 12:49:01 EST 1996 - Fix a glitch in handling complex parameters assigned a "wrong" type. -Example: - complex d, z - parameter(z = (0d0,0d0)) - data d/z/ ! elicited "non-constant initializer" - call foo(d) - end - -Thu Feb 29 00:53:12 EST 1996 - Fix bug in handling character parameters assigned a char() value. -Example: - character*2 b,c - character*1 esc - parameter(esc = char(27)) - integer i - data (b(i:i),i=1,2)/esc,'a'/ - data (c(i:i),i=1,2)/esc,'b'/ ! memory fault - call foo(b,c) - end - -Fri Mar 1 23:44:51 EST 1996 - Fix glitch in evaluating .EQ. and .NE. when both operands are -logical constants (.TRUE. or .FALSE.). - -Fri Mar 15 17:29:54 EST 1996 - libi77: lread.c, rsfe.c: honor END= in READ stmts with empty iolist. - -Tue Mar 19 23:08:32 EST 1996 - lex.c: arrange for a "statement" consisting of a single short bogus -keyword to elicit an error message showing the whole keyword. The -error message formerly omitted the last letter of the bad keyword. - libf77: s_cat.c: supply missing break after overlap detection. - -Mon May 13 23:35:26 EDT 1996 - Recognize Fortran 90's /= as a synonym for .NE.. (<> remains a -synonym for .NE..) - Emit an empty int function of no arguments to supply an external -name to named block data subprograms (so they can be called somewhere -to force them to be loaded from a library). - Fix bug (memory fault) in handling the following illegal Fortran: - parameter(i=1) - equivalence(i,j) - end - Treat cdabs, cdcos, cdexp, cdlog, cdsin, and cdsqrt as synonyms for -the double complex intrinsics zabs, zcos, zexp, zlog, zsin, and zsqrt, -respectively, unless -cd is specified. - Recognize the Fortran 90 bit-manipulation intrinsics btest, iand, -ibclr, ibits, ibset, ieor, ior, ishft, and ishftc, unless -i90 is -specified. Note that iand, ieor, and ior are thus now synonyms for -"and", "xor", and "or", respectively. - Add three macros (bit_test, bit_clear, bit_set) to f2c.h for use -with btest, ibclr, and ibset, respectively. Add new functions -[lq]bit_bits, [lq]bit_shift, and [lq]_bit_cshift to libF77 for -use with ibits, ishft, and ishftc, respectively. - Add integer function ftell(unit) (returning -1 on error) and -subroutine fseek(unit, offset, whence, *) to libI77 (with branch to -label * on error). - -Tue May 14 23:21:12 EDT 1996 - Fix glitch (possible memory fault, or worse) in handling multiple -entry points with names over 28 characters long. - -Mon Jun 10 01:20:16 EDT 1996 - Update netlib E-mail and ftp addresses in f2c/readme and -f2c/src/readme (which are different files) -- to reflect the upcoming -breakup of AT&T. - libf77: trivial tweaks to F77_aloc.c and system_.c; Version.c not -changed. - libi77: Adjust rsli.c and lread.c so internal list input with too -few items in the input string will honor end= . - -Mon Jun 10 22:59:57 EDT 1996 - Add Bits_per_Byte to sysdep.h and adjust definition of Table_size -to depend on Bits_per_Byte (forcing Table_size to be a power of 2); in -lex.c, change "comstart[c & 0xfff]" to "comstart[c & (Table_size-1)]" -to avoid an out-of-range subscript on end-of-file. - -Wed Jun 12 00:24:28 EDT 1996 - Fix bug in output.c (dereferencing a freed pointer) revealed in - print * !np in out_call in output.c clobbered by free - end !during out_expr. - -Wed Jun 19 08:12:47 EDT 1996 - f2c.h: add types uinteger, ulongint (for libF77); add qbit_clear -and qbit_set macros (in a commented-out section) for integer*8. - For integer*8, use qbit_clear and qbit_set for ibclr and ibset. - libf77: add casts to unsigned in [lq]bitshft.c. - -Thu Jun 20 13:30:43 EDT 1996 - Complain at character*(*) in common (rather than faulting). - Fix bug in recognizing hex constants that start with "16#" (e.g., -16#1234abcd, which is a synonym for z'1234abcd'). - Fix bugs in constant folding of expressions involving btest, ibclr, -and ibset. - Fix bug in constant folding of rshift(16#80000000, -31) (on a 32-bit -machine; more generally, the bug was in constant folding of -rshift(ibset(0,NBITS-1), 1-NBITS) when f2c runs on a machine with -long ints having NBITS bits. - -Mon Jun 24 07:58:53 EDT 1996 - Adjust struct Literal and newlabel() function to accommodate huge -source files (with more than 32767 newlabel() invocations). - Omit .c file when the .f file has a missing final end statement. - -Wed Jun 26 14:00:02 EDT 1996 - libi77: Add discussion of MXUNIT (highest allowed Fortran unit number) -to libI77/README. - -Fri Jun 28 14:16:11 EDT 1996 - Fix glitch with -onetrip: the temporary variable used for nonconstant -initial loop variable values was recycled too soon. Example: - do i = j+1, k - call foo(i+1) ! temp for j+1 was reused here - enddo - end - -Tue Jul 2 16:11:27 EDT 1996 - formatdata.c: add a 0 to the end of the basetype array (for TYBLANK) -(an omission that was harmless on most machines). - expr.c: fix a dereference of NULL that was only possible with buggy -input, such as - subroutine $sub(s) ! the '$' is erroneous - character s*(*) - s(1:) = ' ' - end - -Sat Jul 6 00:44:56 EDT 1996 - Fix glitch in the intrinsic "real" function when applied to a -complex (or double complex) variable and passed as an argument to -some intrinsic functions. Example: - complex a - b = sqrt(a) - end - Fix glitch (only visible if you do not use f2c's malloc and the -malloc you do use is defective in the sense that malloc(0) returns 0) -in handling include files that end with another include (perhaps -followed by comments). - Fix glitch with character*(*) arguments named "h" and "i" when -the body of the subroutine invokes the intrinsic LEN function. - Arrange that after a previous "f2c -P foo.f" has produced foo.P, -running "f2c foo.P foo.f" will produce valid C when foo.f contains - call sub('1234') - end - subroutine sub(msg) - end -Specifically, the length argument in "call sub" is now suppressed. -With or without foo.P, it is also now suppressed when the order of -subprograms in file foo.f is reversed: - subroutine sub(msg) - end - call sub('1234') - end - Adjust copyright notices to reflect AT&T breakup. - -Wed Jul 10 09:25:49 EDT 1996 - Fix bug (possible memory fault) in handling erroneously placed -and inconsistent declarations. Example that faulted: - character*1 w(8) - call foo(w) - end - subroutine foo(m) - data h /0.5/ - integer m(2) ! should be before data - end - Fix bug (possible fault) in handling illegal "if" constructions. -Example (that faulted): - subroutine foo(i,j) - if (i) then ! bug: i is integer, not logical - else if (j) then ! bug: j is integer, not logical - endif - end - Fix glitch with character*(*) argument named "ret_len" to a -character*(*) function. - -Wed Jul 10 23:04:16 EDT 1996 - Fix more glitches in the intrinsic "real" function when applied to a -complex (or double complex) variable and passed as an argument to -some intrinsic functions. Example: - complex a, b - r = sqrt(real(conjg(a))) + sqrt(real(a*b)) - end - -Thu Jul 11 17:27:16 EDT 1996 - Fix a memory fault associated with complicated, illegal input. -Example: - subroutine goo - character a - call foo(a) ! inconsistent with subsequent def and call - end - subroutine foo(a) - end - call foo(a) - end - -Wed Jul 17 19:18:28 EDT 1996 - Fix yet another case of intrinsic "real" applied to a complex -argument. Example: - complex a(3) - x = sqrt(real(a(2))) ! gave error message about bad tag - end - -Mon Aug 26 11:28:57 EDT 1996 - Tweak sysdep.c for non-Unix systems in which process ID's can be -over 5 digits long. - -Tue Aug 27 08:31:32 EDT 1996 - Adjust the ishft intrinsic to use unsigned right shifts. (Previously, -a negative constant second operand resulted in a possibly signed shift.) - -Thu Sep 12 14:04:07 EDT 1996 - equiv.c: fix glitch with -DKR_headers. - libi77: fmtlib.c: fix bug in printing the most negative integer. - -Fri Sep 13 08:54:40 EDT 1996 - Diagnose some illegal appearances of substring notation. - -Tue Sep 17 17:48:09 EDT 1996 - Fix fault in handling some complex parameters. Example: - subroutine foo(a) - double complex a, b - parameter(b = (0,1)) - a = b ! f2c faulted here - end - -Thu Sep 26 07:47:10 EDT 1996 - libi77: fmt.h: for formatted writes of negative integer*1 values, -make ic signed on ANSI systems. If formatted writes of integer*1 -values trouble you when using a K&R C compiler, switch to an ANSI -compiler or use a compiler flag that makes characters signed. - -Tue Oct 1 14:41:36 EDT 1996 - Give a better error message when dummy arguments appear in data -statements. - -Thu Oct 17 13:37:22 EDT 1996 - Fix bug in typechecking arguments to character and complex (or -double complex) functions; the bug could cause length arguments -for character arguments to be omitted on invocations appearing -textually after the first invocation. For example, in - subroutine foo - character c - complex zot - call goo(zot(c), zot(c)) - end -the length was omitted from the second invocation of zot, and -there was an erroneous error message about inconsistent calling -sequences. - -Wed Dec 4 13:59:14 EST 1996 - Fix bug revealed by - subroutine test(cdum,rdum) - complex cdum - rdum=cos(real(cdum)) ! "Unexpected tag 3 in opconv_fudge" - end - Fix glitch in parsing "DO 10 D0 = 1, 10". - Fix glitch in parsing - real*8 x - real*8 x ! erroneous "incompatible type" message - call foo(x) - end - -Mon Dec 9 23:15:02 EST 1996 - Fix glitch in parameter adjustments for arrays whose lower -bound depends on a scalar argument. Example: - subroutine bug(p,z,m,n) - integer z(*),m,n - double precision p(z(m):z(m) + n) ! p_offset botched - call foo(p(0), p(n)) - end - libi77: complain about non-positive rec= in direct read and write -statements. - libf77: trivial adjustments; Version.c not changed. - -Wed Feb 12 00:18:03 EST 1997 - output.c: fix (seldom problematic) glitch in out_call: put parens -around the ... in a test of the form "if (q->tag == TADDR && ...)". - vax.c: fix bug revealed in the "psi_offset =" assignment in the -following example: - subroutine foo(psi,m) - integer z(100),m - common /a/ z - double precision psi(z(m):z(m) + 10) - call foo(m+1, psi(0),psi(10)) - end - -Mon Feb 24 23:44:54 EST 1997 - For consistency with f2c's current treatment of adjacent character -strings in FORMAT statements, recognize a Hollerith string following -a string (and merge adjacent strings in FORMAT statements). - -Wed Feb 26 13:41:11 EST 1997 - New libf2c.zip, a combination of the libf77 and libi77 bundles (and -available only by ftp). - libf77: adjust functions with a complex output argument to permit -aliasing it with input arguments. (For now, at least, this is just -for possible benefit of g77.) - libi77: tweak to ftell_.c for systems with strange definitions of -SEEK_SET, etc. - -Tue Apr 8 20:57:08 EDT 1997 - libf77: [cz]_div.c: tweaks invisible on most systems (that may -improve things slightly with optimized compilation on systems that use -gratuitous extra precision). - libi77: fmt.c: adjust to complain at missing numbers in formats -(but still treat missing ".nnn" as ".0"). - -Fri Apr 11 14:05:57 EDT 1997 - libi77: err.c: attempt to make stderr line buffered rather than -fully buffered. (Buffering is needed for format items T and TR.) - -Thu Apr 17 22:42:43 EDT 1997 - libf77: add F77_aloc.o to makefile (and makefile.u in libf2c.zip). - -Fri Apr 25 19:32:09 EDT 1997 - libf77: add [de]time_.c (which may give trouble on some systems). - -Tue May 27 09:18:52 EDT 1997 - libi77: ftell_.c: fix typo that caused the third argument to be -treated as 2 on some systems. - -Mon Jun 9 00:04:37 EDT 1997 - libi77 (and libf2c.zip): adjust include order in err.c lread.c wref.c -rdfmt.c to include fmt.h (etc.) after system includes. Version.c not -changed. - -Mon Jul 21 16:04:54 EDT 1997 - proc.c: fix glitch in logic for "nonpositive dimension" message. - libi77: inquire.c: always include string.h (for possible use with --DNON_UNIX_STDIO); Version.c not changed. - -Thu Jul 24 17:11:23 EDT 1997 - Tweak "Notice" to reflect the AT&T breakup -- we missed it when -updating the copyright notices in the source files last summer. - Adjust src/makefile so malloc.o is not used by default, but can -be specified with "make MALLOC=malloc.o". - Add comments to src/README about the "CRAY" T3E. - -Tue Aug 5 14:53:25 EDT 1997 - Add definition of calloc to malloc.c; this makes f2c's malloc -work on some systems where trouble hitherto arose because references -to calloc brought in the system's malloc. (On sensible systems, -calloc is defined separately from malloc. To avoid confusion on -other systems, f2c/malloc.c now defines calloc.) - libi77: lread.c: adjust to accord with a change to the Fortran 8X -draft (in 1990 or 1991) that rescinded permission to elide quote marks -in namelist input of character data; to get the old behavior, compile -with F8X_NML_ELIDE_QUOTES #defined. wrtfmt.o: wrt_G: tweak to print -the right number of 0's for zero under G format. - -Sat Aug 16 05:45:32 EDT 1997 - libi77: iio.c: fix bug in internal writes to an array of character -strings that sometimes caused one more array element than required by -the format to be blank-filled. Example: format(1x). - -Wed Sep 17 00:39:29 EDT 1997 - libi77: fmt.[ch] rdfmt.c wrtfmt.c: tweak struct syl for machines -with 64-bit pointers and 32-bit ints that did not 64-bit align -struct syl (e.g., Linux on the DEC Alpha). This change should be -invisible on other machines. - -Sun Sep 21 22:05:19 EDT 1997 - libf77: [de]time_.c (Unix systems only): change return type to double. - -Thu Dec 4 22:10:09 EST 1997 - Fix bug with handling large blocks of comments (over 4k); parts of the -second and subsequent blocks were likely to be lost (not copied into -comments in the resulting C). Allow comment lines to be longer before -breaking them. - -Mon Jan 19 17:19:27 EST 1998 - makefile: change the rule for making gram.c to one for making gram1.c; -henceforth, asking netlib to "send all from f2c/src" will bring you a -working gram.c. Nowadays there are simply too many broken versions of -yacc floating around. - libi77: backspace.c: for b->ufmt==0, change sizeof(int) to -sizeof(uiolen). On machines where this would make a difference, it is -best for portability to compile libI77 with -DUIOLEN_int, which will -render the change invisible. - -Tue Feb 24 08:35:33 EST 1998 - makefile: remove gram.c from the "make clean" rule. - -Wed Feb 25 08:29:39 EST 1998 - makefile: change CFLAGS assignment to -O; add "veryclean" rule. - -Wed Mar 4 13:13:21 EST 1998 - libi77: open.c: fix glitch in comparing file names under --DNON_UNIX_STDIO. - -Mon Mar 9 23:56:56 EST 1998 - putpcc.c: omit an unnecessary temporary variable in computing -(expr)**3. - libf77, libi77: minor tweaks to make some C++ compilers happy; -Version.c not changed. - -Wed Mar 18 18:08:47 EST 1998 - libf77: minor tweaks to [ed]time_.c; Version.c not changed. - libi77: endfile.c, open.c: acquire temporary files from tmpfile(), -unless compiled with -DNON_ANSI_STDIO, which uses mktemp(). -New buffering scheme independent of NON_UNIX_STDIO for handling T -format items. Now -DNON_UNIX_STDIO is no longer be necessary for -Linux, and libf2c no longer causes stderr to be buffered -- the former -setbuf or setvbuf call for stderr was to make T format items work. -open.c: use the Posix access() function to check existence or -nonexistence of files, except under -DNON_POSIX_STDIO, where trial -fopen calls are used. In open.c, fix botch in changes of 19980304. - libf2c.zip: the PC makefiles are now set for NT/W95, with comments -about changes for DOS. - -Fri Apr 3 17:22:12 EST 1998 - Adjust fix of 19960913 to again permit substring notation on -character variables in data statements. - -Sun Apr 5 19:26:50 EDT 1998 - libi77: wsfe.c: make $ format item work: this was lost in the changes -of 17 March 1998. - -Sat May 16 19:08:51 EDT 1998 - Adjust output of ftnlen constants: rather than appending L, -prepend (ftnlen). This should make the resulting C more portable, -e.g., to systems (such as DEC Alpha Unix systems) on which long -may be longer than ftnlen. - Adjust -r so it also casts REAL expressions passed to intrinsic -functions to REAL. - -Wed May 27 16:02:35 EDT 1998 - libf2c.zip: tweak description of compiling libf2c for INTEGER*8 -to accord with makefile.u rather than libF77/makefile. - -Thu May 28 22:45:59 EDT 1998 - libi77: backspace.c dfe.c due.c iio.c lread.c rsfe.c sue.c wsfe.c: -set f__curunit sooner so various error messages will correctly -identify the I/O unit involved. - libf2c.zip: above, plus tweaks to PC makefiles: for some purposes, -it's still best to compile with -DMSDOS (even for use with NT). - -Thu Jun 18 01:22:52 EDT 1998 - libi77: lread.c: modified so floating-point numbers (containing -either a decimal point or an exponent field) are treated as errors -when they appear as list input for integer data. Compile lread.c with --DALLOW_FLOAT_IN_INTEGER_LIST_INPUT to restore the old behavior. - -Mon Aug 31 10:38:54 EDT 1998 - formatdata.c: if possible, and assuming doubles must be aligned on -double boundaries, use existing holes in DATA for common blocks to -force alignment of the block. For example, - block data - common /abc/ a, b - double precision a - integer b(2) - data b(2)/1/ - end -used to generate - struct { - integer fill_1[3]; - integer e_2; - doublereal e_3; - } abc_ = { {0}, 1, 0. }; -and now generates - struct { - doublereal fill_1[1]; - integer fill_2[1]; - integer e_3; - } abc_ = { {0}, {0}, 1 }; -In the old generated C, e_3 was added to force alignment; in the new C, -fill_1 does this job. - -Mon Sep 7 19:48:51 EDT 1998 - libi77: move e_wdfe from sfe.c to dfe.c, where it was originally. -Why did it ever move to sfe.c? - -Tue Sep 8 10:22:50 EDT 1998 - Treat dreal as a synonym for dble unless -cd is specified on the -command line. - -Sun Sep 13 22:23:41 EDT 1998 - format.c: fix bug in writing prototypes under f2c -A ... *.P: -under some circumstances involving external functions with no known -type, a null pointer was passed to printf. - -Tue Oct 20 23:25:54 EDT 1998 - Comments added to libf2c/README and libF77/README, pointing out -the need to modify signal1.h on some systems. - -Wed Feb 10 22:59:52 EST 1999 - defs.h lex.c: permit long names (up to at least roughly -MAX_SHARPLINE_LEN = 1000 characters long) in #line lines (which only -matters under -g). - fc: add -U option; recognize .so files. - -Sat Feb 13 10:18:27 EST 1999 - libf2c: endfile.c, lread.c, signal1.h0: minor tweaks to make some -(C++) compilers happier; f77_aloc.c: make exit_() visible to C++ -compilers. Version strings not changed. - -Thu Mar 11 23:14:02 EST 1999 - Modify f2c (exec.c, expr.c) to diagnose incorrect mixing of types -when (f2c extended) intrinsic functions are involved, as in -(not(17) .and. 4). Catching this in the first executable statement -is a bit tricky, as some checking must be postponed until all statement -function declarations have been parsed. Thus there is a chance of -today's changes introducing bugs under (let us hope) unusual conditions. - -Sun Mar 28 13:17:44 EST 1999 - lex.c: tweak to get the file name right in error messages caused -by statements just after a # nnn "filename" line emitted by the C -preprocessor. (The trouble is that the line following the # nnn line -must be read to see if it is a continuation of the stuff that preceded -the # nnn line.) When # nnn "filename" lines appear among the lines -for a Fortran statement, the filename reported in an error message for -the statement should now be the file that was current when the first -line of the statement was read. - -Sun May 2 22:38:25 EDT 1999 - libf77, libi77, libf2c.zip: make getenv_() more portable (call -getenv() rather than knowing about char **environ); adjust some -complex intrinsics to work with overlapping arguments (caused by -inappropriate use of equivalence); open.c: get "external" versus -"internal" right in the error message if a file cannot be opened; -err.c: cast a pointer difference to (int) for %d; rdfmt.c: omit -fixed-length buffer that could be overwritten by formats Inn or Lnn -with nn > 83. - -Mon May 3 13:14:07 EDT 1999 - "Invisible" changes to omit a few compiler warnings in f2c and -libf2c; two new casts in libf2c/open.c that matter with 64-bit longs, -and one more tweak (libf2c/c_log.c) for pathological equivalences. - Minor update to "fc" script: new -L flag and comment correction. - -Fri Jun 18 02:33:08 EDT 1999 - libf2c.zip: rename backspace.c backspac.c, and fix a glitch in it --- b->ufd may change in t_runc(). (For now, it's still backspace.c -in the libi77 bundle.) - -Sun Jun 27 22:05:47 EDT 1999 - libf2c.zip, libi77: rsne.c: fix bug in namelist input: a misplaced -increment could cause wrong array elements to be assigned; e.g., -"&input k(5)=10*1 &end" assigned k(5) and k(15 .. 23).