X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libjava%2Fjava%2Flang%2Fw_atan2.c;fp=libjava%2Fjava%2Flang%2Fw_atan2.c;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=91742c72b91d5a095d000fc3f5241d4126518de1;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libjava/java/lang/w_atan2.c b/libjava/java/lang/w_atan2.c deleted file mode 100644 index 91742c72..00000000 --- a/libjava/java/lang/w_atan2.c +++ /dev/null @@ -1,117 +0,0 @@ - -/* @(#)w_atan2.c 5.1 93/09/24 */ -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - * - */ - -/* -FUNCTION - <>, <>---arc tangent of y/x - -INDEX - atan2 -INDEX - atan2f - -ANSI_SYNOPSIS - #include - double atan2(double <[y]>,double <[x]>); - float atan2f(float <[y]>,float <[x]>); - -TRAD_SYNOPSIS - #include - double atan2(<[y]>,<[x]>); - double <[y]>; - double <[x]>; - - float atan2f(<[y]>,<[x]>); - float <[y]>; - float <[x]>; - -DESCRIPTION - -<> computes the inverse tangent (arc tangent) of <[y]>/<[x]>. -<> produces the correct result even for angles near -@ifinfo -pi/2 or -pi/2 -@end ifinfo -@tex -$\pi/2$ or $-\pi/2$ -@end tex -(that is, when <[x]> is near 0). - -<> is identical to <>, save that it takes and returns -<>. - -RETURNS -<> and <> return a value in radians, in the range of -@ifinfo --pi to pi. -@end ifinfo -@tex -$-\pi$ to $\pi$. -@end tex - -If both <[x]> and <[y]> are 0.0, <> causes a <> error. - -You can modify error handling for these functions using <>. - -PORTABILITY -<> is ANSI C. <> is an extension. - - -*/ - -/* - * wrapper atan2(y,x) - */ - -#include "fdlibm.h" -#include - -#ifndef _DOUBLE_IS_32BITS - -#ifdef __STDC__ - double atan2(double y, double x) /* wrapper atan2 */ -#else - double atan2(y,x) /* wrapper atan2 */ - double y,x; -#endif -{ -#ifdef _IEEE_LIBM - return __ieee754_atan2(y,x); -#else - double z; - struct exception exc; - z = __ieee754_atan2(y,x); - if(_LIB_VERSION == _IEEE_||isnan(x)||isnan(y)) return z; - if(x==0.0&&y==0.0) { - /* atan2(+-0,+-0) */ - exc.arg1 = y; - exc.arg2 = x; - exc.type = DOMAIN; - exc.name = "atan2"; - exc.err = 0; - exc.retval = 0.0; - if(_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; - } else - return z; -#endif -} - -#endif /* defined(_DOUBLE_IS_32BITS) */