--- /dev/null
+/* Test file for mpfr_set_str.
+
+Copyright 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+Contributed by the Arenaire and Cacao projects, INRIA.
+
+This file is part of the GNU MPFR Library.
+
+The GNU MPFR Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or (at your
+option) any later version.
+
+The GNU MPFR Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MPFR Library; see the file COPYING.LIB. If not, write to
+the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+MA 02110-1301, USA. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+
+#include "mpfr-test.h"
+
+#define N 30000
+
+#define CHECK53(y, s, r, x, t, n) \
+ mpfr_set_str (y, s, 10, r); \
+ mpfr_set_str_binary (x, t); \
+ if (mpfr_cmp (x, y)) \
+ { \
+ printf ("Error in mpfr_set_str (%d):\n", n); \
+ mpfr_print_binary (x); \
+ puts (""); \
+ mpfr_print_binary (y); \
+ puts (""); \
+ mpfr_clear (x); \
+ mpfr_clear (y); \
+ exit (1); \
+ }
+
+static void
+check_underflow (void)
+{
+ mpfr_t a;
+ mp_exp_t emin, emax;
+ int res;
+
+ mpfr_init (a);
+
+ /* Check underflow */
+ emin = mpfr_get_emin ();
+ set_emin (-20);
+ res = mpfr_set_str (a, "0.00000000001", 10, GMP_RNDZ);
+ if (!MPFR_IS_ZERO (a))
+ {
+ printf("ERROR for mpfr_set_str (a, \"0.00000000001\", 10, GMP_RNDN)\n"
+ " with emin=-20\n"
+ "res=%d\n", res);
+ mpfr_dump (a);
+ exit (1);
+ }
+ set_emin (emin);
+
+ /* check overflow */
+ emax = mpfr_get_emax ();
+ set_emax (1073741823); /* 2^30-1 */
+ mpfr_set_str (a, "2E1000000000", 10, GMP_RNDN);
+ if (!mpfr_inf_p (a) || mpfr_sgn (a) < 0)
+ {
+ printf("ERROR for mpfr_set_str (a, \"2E1000000000\", 10, GMP_RNDN);\n");
+ exit (1);
+ }
+ set_emax (emax);
+
+ mpfr_clear (a);
+}
+
+/* Bug found by Christoph Lauter. */
+static void
+bug20081028 (void)
+{
+ mpfr_t x;
+ const char *s = "0.10000000000000000000000000000001E1";
+
+ mpfr_init2 (x, 32);
+ mpfr_set_str (x, "1.00000000000000000006", 10, GMP_RNDU);
+ if (! mpfr_greater_p (x, __gmpfr_one))
+ {
+ printf ("Error in bug20081028:\nExpected %s\nGot ", s);
+ mpfr_dump (x);
+ exit (1);
+ }
+ mpfr_clear (x);
+}
+
+int
+main (int argc, char *argv[])
+{
+ mpfr_t x, y;
+ unsigned long k, bd, nc, i;
+ char *str, *str2;
+ mp_exp_t e;
+ int base, logbase, prec, baseprec, ret, obase;
+
+ tests_start_mpfr ();
+
+ if (argc >= 2) /* tset_str <string> [<prec>] [<ibase>] [<obase>] */
+ {
+ prec = (argc >= 3) ? atoi (argv[2]) : 53;
+ base = (argc >= 4) ? atoi (argv[3]) : 2;
+ obase = (argc >= 5) ? atoi (argv[4]) : 10;
+ mpfr_init2 (x, prec);
+ mpfr_set_str (x, argv[1], base, GMP_RNDN);
+ mpfr_out_str (stdout, obase, 0, x, GMP_RNDN);
+ puts ("");
+ mpfr_clear (x);
+ return 0;
+ }
+
+ mpfr_init2 (x, 2);
+
+ nc = (argc > 1) ? atoi(argv[1]) : 53;
+ if (nc < 100)
+ nc = 100;
+
+ bd = randlimb () & 8;
+
+ str2 = str = (char*) (*__gmp_allocate_func) (nc * sizeof(char));
+
+ if (bd)
+ {
+ for(k = 1; k <= bd; k++)
+ *(str2++) = (randlimb () & 1) + '0';
+ }
+ else
+ *(str2++) = '0';
+
+ *(str2++) = '.';
+
+ for (k = 1; k < nc - 17 - bd; k++)
+ *(str2++) = '0' + (char) (randlimb () & 1);
+
+ *(str2++) = 'e';
+ sprintf (str2, "%d", (int) (randlimb () & INT_MAX) + INT_MIN/2);
+
+ mpfr_set_prec (x, nc + 10);
+ mpfr_set_str_binary (x, str);
+
+ mpfr_set_prec (x, 54);
+ mpfr_set_str_binary (x, "0.100100100110110101001010010101111000001011100100101010E-529");
+ mpfr_init2 (y, 54);
+ mpfr_set_str (y, "4.936a52bc17254@-133", 16, GMP_RNDN);
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (1a):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str_binary (x, "0.111111101101110010111010100110000111011001010100001101E-529");
+ mpfr_set_str (y, "0.fedcba98765434P-529", 16, GMP_RNDN);
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (1b):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ (*__gmp_free_func) (str, nc * sizeof(char));
+
+ mpfr_set_prec (x, 53);
+ mpfr_set_str_binary (x, "+110101100.01010000101101000000100111001000101011101110E00");
+
+ mpfr_set_str_binary (x, "1.0");
+ if (mpfr_cmp_ui (x, 1))
+ {
+ printf ("Error in mpfr_set_str_binary for s=1.0\n");
+ mpfr_clear(x);
+ mpfr_clear(y);
+ exit(1);
+ }
+
+ mpfr_set_str_binary (x, "+0000");
+ mpfr_set_str_binary (x, "+0000E0");
+ mpfr_set_str_binary (x, "0000E0");
+ if (mpfr_cmp_ui (x, 0))
+ {
+ printf ("Error in mpfr_set_str_binary for s=0.0\n");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (x, "+243495834958.53452345E1", 10, GMP_RNDN);
+ mpfr_set_str (x, "9007199254740993", 10, GMP_RNDN);
+ mpfr_set_str (x, "9007199254740992", 10, GMP_RNDU);
+ mpfr_set_str (x, "9007199254740992", 10, GMP_RNDD);
+ mpfr_set_str (x, "9007199254740992", 10, GMP_RNDZ);
+
+ /* check a random number printed and read is not modified */
+ prec = 53;
+ mpfr_set_prec (x, prec);
+ mpfr_set_prec (y, prec);
+ for (i=0;i<N;i++)
+ {
+ mp_rnd_t rnd;
+
+ mpfr_urandomb (x, RANDS);
+ rnd = RND_RAND ();
+ logbase = (randlimb () % 5) + 1;
+ base = 1 << logbase;
+ /* Warning: the number of bits needed to print exactly a number of
+ 'prec' bits in base 2^logbase may be greater than ceil(prec/logbase),
+ for example 0.11E-1 in base 2 cannot be written exactly with only
+ one digit in base 4 */
+ if (base == 2)
+ baseprec = prec;
+ else
+ baseprec = 1 + (prec - 2 + logbase) / logbase;
+ str = mpfr_get_str (NULL, &e, base, baseprec, x, rnd);
+ mpfr_set_str (y, str, base, rnd);
+ MPFR_EXP(y) += logbase * (e - strlen (str));
+ if (mpfr_cmp (x, y))
+ {
+ printf ("mpfr_set_str o mpfr_get_str <> id for rnd_mode=%s\n",
+ mpfr_print_rnd_mode (rnd));
+ printf ("x=");
+ mpfr_print_binary (x);
+ puts ("");
+ printf ("s=%s, exp=%d, base=%d\n", str, (int) e, base);
+ printf ("y=");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+ (*__gmp_free_func) (str, strlen (str) + 1);
+ }
+
+ for (i = 2; i <= 36; i++)
+ {
+ if (mpfr_set_str (x, "@NaN@(garbage)", i, GMP_RNDN) != 0 ||
+ !mpfr_nan_p(x))
+ {
+ printf ("mpfr_set_str failed on @NaN@(garbage)\n");
+ exit (1);
+ }
+
+ /*
+ if (mpfr_set_str (x, "@Inf@garbage", i, GMP_RNDN) != 0 ||
+ !mpfr_inf_p(x) || MPFR_SIGN(x) < 0)
+ {
+ printf ("mpfr_set_str failed on @Inf@garbage\n");
+ exit (1);
+ }
+
+ if (mpfr_set_str (x, "-@Inf@garbage", i, GMP_RNDN) != 0 ||
+ !mpfr_inf_p(x) || MPFR_SIGN(x) > 0)
+ {
+ printf ("mpfr_set_str failed on -@Inf@garbage\n");
+ exit (1);
+ }
+
+ if (mpfr_set_str (x, "+@Inf@garbage", i, GMP_RNDN) != 0 ||
+ !mpfr_inf_p(x) || MPFR_SIGN(x) < 0)
+ {
+ printf ("mpfr_set_str failed on +@Inf@garbage\n");
+ exit (1);
+ }
+ */
+
+ if (i > 16)
+ continue;
+
+ if (mpfr_set_str (x, "NaN", i, GMP_RNDN) != 0 ||
+ !mpfr_nan_p(x))
+ {
+ printf ("mpfr_set_str failed on NaN\n");
+ exit (1);
+ }
+
+ if (mpfr_set_str (x, "Inf", i, GMP_RNDN) != 0 ||
+ !mpfr_inf_p(x) || MPFR_SIGN(x) < 0)
+ {
+ printf ("mpfr_set_str failed on Inf\n");
+ exit (1);
+ }
+
+ if (mpfr_set_str (x, "-Inf", i, GMP_RNDN) != 0 ||
+ !mpfr_inf_p(x) || MPFR_SIGN(x) > 0)
+ {
+ printf ("mpfr_set_str failed on -Inf\n");
+ exit (1);
+ }
+
+ if (mpfr_set_str (x, "+Inf", i, GMP_RNDN) != 0 ||
+ !mpfr_inf_p(x) || MPFR_SIGN(x) < 0)
+ {
+ printf ("mpfr_set_str failed on +Inf\n");
+ exit (1);
+ }
+ }
+
+ /* check that mpfr_set_str works for uppercase letters too */
+ mpfr_set_prec (x, 10);
+ mpfr_set_str (x, "B", 16, GMP_RNDN);
+ if (mpfr_cmp_ui (x, 11) != 0)
+ {
+ printf ("mpfr_set_str does not work for uppercase letters\n");
+ exit (1);
+ }
+
+ /* start of tests added by Alain Delplanque */
+
+ /* in this example an overflow can occur */
+ mpfr_set_prec (x, 64);
+ mpfr_set_prec (y, 64);
+ mpfr_set_str_binary (x, "1.0E-532");
+ mpfr_set_str (y, "0.71128279983522479470@-160", 10, GMP_RNDU);
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (2):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ /* in this example, I think there was a pb in the old function :
+ result of mpfr_set_str_old for the same number , but with more
+ precision is: 1.111111111110000000000000000111111111111111111111111110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100111000100001100000010101100111010e184
+ this result is the same as mpfr_set_str */
+ mpfr_set_prec (x, 64);
+ mpfr_set_prec (y, 64);
+ mpfr_set_str_binary (x, "1.111111111110000000000000000111111111111111111111111110000000001E184");
+ mpfr_set_str (y, "0.jo08hg31hc5mmpj5mjjmgn55p2h35g@39", 27, GMP_RNDU);
+ /* y = 49027884868983130654865109690613178467841148597221480052 */
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (3):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ /* not exact rounding in mpfr_set_str
+ same number with more precision is : 1.111111111111111111111111111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011011111101000001101110110010101101000010100110011101110010001110e195
+ this result is the same as mpfr_set_str */
+ /* problem was : can_round was call with GMP_RNDN round mode,
+ so can_round use an error : 1/2 * 2^err * ulp(y)
+ instead of 2^err * ulp(y)
+ I have increase err by 1 */
+ mpfr_set_prec (x, 64); /* it was round down instead of up */
+ mpfr_set_prec (y, 64);
+ mpfr_set_str_binary (x, "1.111111111111111111111111111000000000000000000000000000000000001e195");
+ mpfr_set_str (y, "0.6e23ekb6acgh96abk10b6c9f2ka16i@45", 21, GMP_RNDU);
+ /* y = 100433627392042473064661483711179345482301462325708736552078 */
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (4):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ /* may be an error in mpfr_set_str_old
+ with more precision : 1.111111100000001111110000000000011111011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110111101010001110111011000010111001011100110110e180 */
+ mpfr_set_prec (x, 64); /* it was round down instead of up */
+ mpfr_set_prec (y, 64);
+ mpfr_set_str_binary (x, "1.111111100000001111110000000000011111011111111111111111111111111e180");
+ mpfr_set_str (y, "0.10j8j2k82ehahha56390df0a1de030@41", 23, GMP_RNDZ);
+ /* y = 3053110535624388280648330929253842828159081875986159414 */
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (5):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_prec (x, 64);
+ mpfr_set_prec (y, 64);
+ mpfr_set_str (y, "0.jrchfhpp9en7hidqm9bmcofid9q3jg@39", 28, GMP_RNDU);
+ /* y = 196159429139499688661464718784226062699788036696626429952 */
+ mpfr_set_str_binary (x, "0.1111111111111111111111111111111000000000000011100000001111100001E187");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (6):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_prec (x, 64);
+ mpfr_set_prec (y, 64);
+ mpfr_set_str (y, "0.h148m5ld5cf8gk1kd70b6ege92g6ba@47", 24, GMP_RNDZ);
+ /* y = 52652933527468502324759448399183654588831274530295083078827114496 */
+ mpfr_set_str_binary (x, "0.1111111111111100000000001000000000000000000011111111111111101111E215");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (7):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ /* worst cases for rounding to nearest in double precision */
+ mpfr_set_prec (x, 53);
+ mpfr_set_prec (y, 53);
+
+ mpfr_set_str (y, "5e125", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.10111101000101110110011000100000101001010000000111111E418");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (8):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (y, "69e267", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.10000101101111100101101100000110010011001010011011010E894");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (9):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (y, "623e100", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.10110010000001010011000101111001110101000001111011111E342");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (10):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (y, "3571e263", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.10110001001100100010011000110000111010100000110101010E886");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (11):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (y, "75569e-254", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.10101101001000110001011011001000111000110101010110011E-827");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (12):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (y, "920657e-23", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.10101001110101001100110000101110110111101111001101100E-56");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (13):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (y, "9210917e80", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.11101101000100011001000110100011111100110000000110010E289");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (14):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (y, "87575437e-309", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.11110000001110011001000000110000000100000010101101100E-1000");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (15):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (y, "245540327e122", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.10001101101100010001100011110000110001100010111001011E434");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (16):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (y, "491080654e122", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.10001101101100010001100011110000110001100010111001011E435");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (17):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ mpfr_set_str (y, "83356057653e193", 10, GMP_RNDN);
+ mpfr_set_str_binary (x, "0.10101010001001110011011011010111011100010101000011000E678");
+ if (mpfr_cmp (x, y))
+ {
+ printf ("Error in mpfr_set_str (18):\n");
+ mpfr_print_binary (x);
+ puts ("");
+ mpfr_print_binary (y);
+ puts ("");
+ mpfr_clear (x);
+ mpfr_clear (y);
+ exit (1);
+ }
+
+ CHECK53(y, "83356057653e193", GMP_RNDN, x,
+ "0.10101010001001110011011011010111011100010101000011000E678",
+ 18);
+
+ CHECK53(y, "619534293513e124", GMP_RNDN, x,
+ "0.10001000011000010000000110000001111111110000011110001e452",
+ 19);
+
+ CHECK53(y, "3142213164987e-294", GMP_RNDN, x,
+ "0.11101001101000000100111011111101111001010001001101111e-935",
+ 20);
+
+ CHECK53(y, "36167929443327e-159", GMP_RNDN, x,
+ "0.11100111001110111110000101011001100110010100011111100e-483",
+ 21);
+
+ CHECK53(y, "904198236083175e-161", GMP_RNDN, x,
+ "0.11100111001110111110000101011001100110010100011111100e-485",
+ 22);
+
+ CHECK53(y, "3743626360493413e-165", GMP_RNDN, x,
+ "0.11000100000100011101001010111101011011011111011111001e-496",
+ 23);
+
+ CHECK53(y, "94080055902682397e-242", GMP_RNDN, x,
+ "0.10110010010011000000111100011100111100110011011001010e-747",
+ 24);
+
+ CHECK53(y, "7e-303", GMP_RNDD, x,
+ "0.10011001100111001000100110001110001000110111110001011e-1003",
+ 25);
+ CHECK53(y, "7e-303", GMP_RNDU, x,
+ "0.10011001100111001000100110001110001000110111110001100e-1003",
+ 26);
+
+ CHECK53(y, "93e-234", GMP_RNDD, x,
+ "0.10010011110110010111001001111001000010000000001110101E-770",
+ 27);
+ CHECK53(y, "93e-234", GMP_RNDU, x,
+ "0.10010011110110010111001001111001000010000000001110110E-770",
+ 28);
+
+ CHECK53(y, "755e174", GMP_RNDD, x,
+ "0.10111110110010011000110010011111101111000111111000101E588",
+ 29);
+ CHECK53(y, "755e174", GMP_RNDU, x,
+ "0.10111110110010011000110010011111101111000111111000110E588",
+ 30);
+
+ CHECK53(y, "8699e-276", GMP_RNDD, x,
+ "0.10010110100101101111100100100011011101100110100101100E-903",
+ 31);
+ CHECK53(y, "8699e-276", GMP_RNDU, x,
+ "0.10010110100101101111100100100011011101100110100101101E-903",
+ 32);
+
+ CHECK53(y, "82081e41", GMP_RNDD, x,
+ "0.10111000000010000010111011111001111010100011111001011E153",
+ 33);
+ CHECK53(y, "82081e41", GMP_RNDU, x,
+ "0.10111000000010000010111011111001111010100011111001100E153",
+ 34);
+
+ CHECK53(y, "584169e229", GMP_RNDD, x,
+ "0.11101011001010111000001011001110111000111100110101010E780",
+ 35);
+ CHECK53(y, "584169e229", GMP_RNDU, x,
+ "0.11101011001010111000001011001110111000111100110101011E780",
+ 36);
+
+ CHECK53(y, "5783893e-128", GMP_RNDD, x,
+ "0.10011000111100000110011110000101100111110011101110100E-402",
+ 37);
+ CHECK53(y, "5783893e-128", GMP_RNDU, x,
+ "0.10011000111100000110011110000101100111110011101110101E-402",
+ 38);
+
+ CHECK53(y, "87575437e-310", GMP_RNDD, x,
+ "0.11000000001011100000110011110011010000000010001010110E-1003",
+ 39);
+ CHECK53(y, "87575437e-310", GMP_RNDU, x,
+ "0.11000000001011100000110011110011010000000010001010111E-1003",
+ 40);
+
+ CHECK53(y, "245540327e121", GMP_RNDD, x,
+ "0.11100010101101001111010010110100011100000100101000100E430",
+ 41);
+ CHECK53(y, "245540327e121", GMP_RNDU, x,
+ "0.11100010101101001111010010110100011100000100101000101E430",
+ 42);
+
+ CHECK53(y, "9078555839e-109", GMP_RNDD, x,
+ "0.11111110001010111010110000110011100110001010011101101E-329",
+ 43);
+ CHECK53(y, "9078555839e-109", GMP_RNDU, x,
+ "0.11111110001010111010110000110011100110001010011101110E-329",
+ 44);
+
+ CHECK53(y, "42333842451e201", GMP_RNDD, x,
+ "0.10000000110001001101000100110110111110101011101011111E704",
+ 45);
+ CHECK53(y, "42333842451e201", GMP_RNDU, x,
+ "0.10000000110001001101000100110110111110101011101100000E704",
+ 46);
+
+ CHECK53(y, "778380362293e218", GMP_RNDD, x,
+ "0.11001101010111000001001100001100110010000001010010010E764",
+ 47);
+ CHECK53(y, "778380362293e218", GMP_RNDU, x,
+ "0.11001101010111000001001100001100110010000001010010011E764",
+ 48);
+
+ CHECK53(y, "7812878489261e-179", GMP_RNDD, x,
+ "0.10010011011011010111001111011101111101101101001110100E-551",
+ 49);
+ CHECK53(y, "7812878489261e-179", GMP_RNDU, x,
+ "0.10010011011011010111001111011101111101101101001110101E-551",
+ 50);
+
+ CHECK53(y, "77003665618895e-73", GMP_RNDD, x,
+ "0.11000101111110111111001111111101001101111000000101001E-196",
+ 51);
+ CHECK53(y, "77003665618895e-73", GMP_RNDU, x,
+ "0.11000101111110111111001111111101001101111000000101010E-196",
+ 52);
+
+ CHECK53(y, "834735494917063e-300", GMP_RNDD, x,
+ "0.11111110001101100001001101111100010011001110111010001E-947",
+ 53);
+ CHECK53(y, "834735494917063e-300", GMP_RNDU, x,
+ "0.11111110001101100001001101111100010011001110111010010E-947",
+ 54);
+
+ CHECK53(y, "6182410494241627e-119", GMP_RNDD, x,
+ "0.10001101110010110010001011000010001000101110100000111E-342",
+ 55);
+ CHECK53(y, "6182410494241627e-119", GMP_RNDU, x,
+ "0.10001101110010110010001011000010001000101110100001000E-342",
+ 56);
+
+ CHECK53(y, "26153245263757307e49", GMP_RNDD, x,
+ "0.10011110111100000000001011011110101100010000011011110E218",
+ 57);
+ CHECK53(y, "26153245263757307e49", GMP_RNDU, x,
+ "0.10011110111100000000001011011110101100010000011011111E218",
+ 58);
+
+ /* to check this problem : I convert limb (10--0 or 101--1) into base b
+ with more than mp_bits_per_limb digits,
+ so when convert into base 2 I should have
+ the limb that I have choose */
+ /* this use mpfr_get_str */
+ {
+ size_t nb_digit = mp_bits_per_limb;
+ mp_limb_t check_limb[2] = {MPFR_LIMB_HIGHBIT, ~(MPFR_LIMB_HIGHBIT >> 1)};
+ int base[3] = {10, 16, 19};
+ mp_rnd_t rnd[3] = {GMP_RNDU, GMP_RNDN, GMP_RNDD};
+ int cbase, climb, crnd;
+ char *str;
+
+ mpfr_set_prec (x, mp_bits_per_limb); /* x and y have only one limb */
+ mpfr_set_prec (y, mp_bits_per_limb);
+
+ str = (char*) (*__gmp_allocate_func) (N + 20);
+
+ mpfr_set_ui (x, 1, GMP_RNDN); /* ensures that x is not NaN or Inf */
+ for (; nb_digit < N; nb_digit *= 10)
+ for (cbase = 0; cbase < 3; cbase++)
+ for (climb = 0; climb < 2; climb++)
+ for (crnd = 0; crnd < 3; crnd++)
+ {
+ char *str1;
+ mp_exp_t exp;
+
+ *(MPFR_MANT(x)) = check_limb[climb];
+ MPFR_EXP(x) = 0;
+
+ mpfr_get_str (str + 2, &exp, base[cbase],
+ nb_digit, x, rnd[crnd]);
+ str[0] = '-';
+ str[(str[2] == '-')] = '0';
+ str[(str[2] == '-') + 1] = '.';
+
+ for (str1 = str; *str1 != 0; str1++)
+ ;
+ sprintf (str1, "@%i", (int) exp);
+
+ mpfr_set_str (y, str, base[cbase], rnd[2 - crnd]);
+
+ if (mpfr_cmp (x, y) != 0)
+ {
+ printf ("Error in mpfr_set_str for nb_digit=%u, base=%d, "
+ "rnd=%s:\n", (unsigned int) nb_digit, base[cbase],
+ mpfr_print_rnd_mode (rnd[crnd]));
+ printf ("instead of: ");
+ mpfr_print_binary (x);
+ puts ("");
+ printf ("return : ");
+ mpfr_print_binary (y);
+ puts ("");
+ exit (1);
+ }
+ }
+
+ (*__gmp_free_func) (str, N + 20);
+ }
+
+ /* end of tests added by Alain Delplanque */
+
+ /* check that flags are correctly cleared */
+ mpfr_set_nan (x);
+ mpfr_set_str (x, "+0.0", 10, GMP_RNDN);
+ if (!mpfr_number_p(x) || mpfr_cmp_ui (x, 0) != 0 || mpfr_sgn (x) < 0)
+ {
+ printf ("x <- +0.0 failed after x=NaN\n");
+ exit (1);
+ }
+ mpfr_set_str (x, "-0.0", 10, GMP_RNDN);
+ if (!mpfr_number_p(x) || mpfr_cmp_ui (x, 0) != 0 || mpfr_sgn (x) > 0)
+ {
+ printf ("x <- -0.0 failed after x=NaN\n");
+ exit (1);
+ }
+
+ /* check invalid input */
+ ret = mpfr_set_str (x, "1E10toto", 10, GMP_RNDN);
+ MPFR_ASSERTN (ret == -1);
+ ret = mpfr_set_str (x, "1p10toto", 16, GMP_RNDN);
+ MPFR_ASSERTN (ret == -1);
+ ret = mpfr_set_str (x, "", 16, GMP_RNDN);
+ MPFR_ASSERTN (ret == -1);
+ ret = mpfr_set_str (x, "+", 16, GMP_RNDN);
+ MPFR_ASSERTN (ret == -1);
+ ret = mpfr_set_str (x, "-", 16, GMP_RNDN);
+ MPFR_ASSERTN (ret == -1);
+ ret = mpfr_set_str (x, "this_is_an_invalid_number_in_base_36", 36, GMP_RNDN);
+ MPFR_ASSERTN (ret == -1);
+ ret = mpfr_set_str (x, "1.2.3", 10, GMP_RNDN);
+ MPFR_ASSERTN (ret == -1);
+ mpfr_set_prec (x, 135);
+ ret = mpfr_set_str (x, "thisisavalidnumberinbase36", 36, GMP_RNDN);
+ mpfr_set_prec (y, 135);
+ mpfr_set_str (y, "23833565676460972739462619524519814462546", 10, GMP_RNDN);
+ MPFR_ASSERTN (mpfr_cmp (x, y) == 0 && ret == 0);
+
+ /* coverage test for set_str_binary */
+ mpfr_set_str_binary (x, "NaN");
+ MPFR_ASSERTN(mpfr_nan_p (x));
+ mpfr_set_str_binary (x, "Inf");
+ MPFR_ASSERTN(mpfr_inf_p (x) && mpfr_sgn (x) > 0);
+ mpfr_set_str_binary (x, "+Inf");
+ MPFR_ASSERTN(mpfr_inf_p (x) && mpfr_sgn (x) > 0);
+ mpfr_set_str_binary (x, "-Inf");
+ MPFR_ASSERTN(mpfr_inf_p (x) && mpfr_sgn (x) < 0);
+ mpfr_set_prec (x, 3);
+ mpfr_set_str_binary (x, "0.01E2");
+ MPFR_ASSERTN(mpfr_cmp_ui (x, 1) == 0);
+ mpfr_set_str_binary (x, "-0.01E2");
+ MPFR_ASSERTN(mpfr_cmp_si (x, -1) == 0);
+
+ mpfr_clear (x);
+ mpfr_clear (y);
+
+ check_underflow ();
+ bug20081028 ();
+
+ tests_end_mpfr ();
+ return 0;
+}
projects / msp430-gcc.git / blobdiff