mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-20 12:00:06 +00:00
b4012b7542
1997-04-21 13:25 Ulrich Drepper <drepper@cygnus.com> * manual/arith.texi: Add description for INFINITY, _Imaginary_I, fpclassify & friends, and complex number operations. Update various other math functions for ISO C 9X. * manual/math.texi: Update various entries for ISO C 9X. Add description for complex number functions. Add description of rand48 function family. * manual/string.h: Add description of a64l and l64a. * math/cmathcalls.h: Fix typo. * stdlib/a64l.c: Pretty printing. * stdlib/seed48_r.c: Also reset `a' and `c' to default values. * stdlib/srand48_r.c: Likewise. * stdlib/stdlib.h: Pretty printing. * sysdeps/i386/fpu/__math.h: Fix typo. * sysdeps/libm-ieee754/s_nearbyintf.c: Correctly name function. * sysdeps/libm-ieee754/s_nearbyintl.c: Likewise. 1997-04-19 22:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/e_pow.c: Rewrite handling of integral exponent. 1997-04-18 19:34 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h: Define optimized versions of isgreater, isgreaterequal, isless, islessequal, islessgreater, and isunordered. 1997-04-20 01:28 Richard Henderson <rth@tamu.edu> * rellns-sh: Handle files in the same directory correctly. 1997-04-20 11:22 Ulrich Drepper <drepper@cygnus.com> * csu/initfini.c: Place ALIGN instruction at correct positions. Patch by Richard Henderson <richard@twiddle.rth.home>. 1997-04-19 17:12 Ulrich Drepper <drepper@cygnus.com> * Make-dist: Don't automatically ignore .c files if the .S or .s file is ignored. * csu/Makefile (distribute): Add defs.awk. 1997-04-19 15:39 Ulrich Drepper <drepper@cygnus.com> * sysdeps/stub/shmat.c: Update to XPG4.2 interface. * sysdeps/stub/shmdt.c: Likewise. Reported by Thomas Bushnell, n/BSG. 1997-04-19 13:22 Ulrich Drepper <drepper@cygnus.com> * manual/stdio.texi: Add description of printf_size and printf_size_info. Partly based on the documentation by Larry McVoy. 1997-04-19 02:21 Ulrich Drepper <drepper@cygnus.com> * stdio-common/printf_size.c (printf_size): Correct values for `units'. Report by Larry McVoy <lm@neteng.engr.sgi.com>. * stdio-common/tst-printfsz.c: New file. * stdio-common/Makefile (tests): Add tst-printfsz.c. (CFLAGS-tst-printfsz.c): Define to prevent warnings about format strings. 1997-04-18 15:48 Ulrich Drepper <drepper@cygnus.com> * login/utmp.h: Add prototype for updwtmp. * login/logwtmp.c: Add new function updwtmp which allows to write a complete record to the wtmp file. Patch by Miquel van Smoorenburg <miquels@cistron.nl>. 1997-04-17 17:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/Makefile (headers): Add mathbits.h. 1997-04-16 21:20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h: Add inlined sincos{,l,f}. * sysdeps/m68k/fpu/s_sincos.c: New file. * sysdeps/m68k/fpu/s_sincosf.c: New file. * sysdeps/m68k/fpu/s_sincosl.c: New file. * sysdeps/libm-ieee754/e_scalb.c: Use internal names of the functions. * sysdeps/libm-ieee754/e_scalbl.c: Likewise. * sysdeps/libm-ieee754/s_ctanh.c: Use isfinite instead of finite. * sysdeps/libm-ieee754/s_ctanhf.c: Likewise. * sysdeps/libm-ieee754/s_ctanhl.c: Likewise. * sysdeps/libm-ieee754/s_ctan.c: Likewise. * sysdeps/libm-ieee754/s_ctanf.c: Likewise. * sysdeps/libm-ieee754/s_ctanl.c: Likewise. Fix type of `res'. 1997-04-18 11:21 Ulrich Drepper <drepper@cygnus.com> * shadow/fgetspent_r.c: Set *RESULT to NULL before returning error. Patch by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>.
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/* e_scalbl.c -- long double version of s_scalb.c.
|
|
* Conversion to long double by Ulrich Drepper,
|
|
* Cygnus Support, drepper@cygnus.com.
|
|
*/
|
|
|
|
/*
|
|
* ====================================================
|
|
* 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.
|
|
* ====================================================
|
|
*/
|
|
|
|
#if defined(LIBM_SCCS) && !defined(lint)
|
|
static char rcsid[] = "$NetBSD: $";
|
|
#endif
|
|
|
|
/*
|
|
* __ieee754_scalbl(x, fn) is provide for
|
|
* passing various standard test suite. One
|
|
* should use scalbnl() instead.
|
|
*/
|
|
|
|
#include "math.h"
|
|
#include "math_private.h"
|
|
|
|
#ifdef _SCALB_INT
|
|
#ifdef __STDC__
|
|
long double __ieee754_scalbl(long double x, int fn)
|
|
#else
|
|
long double __ieee754_scalbl(x,fn)
|
|
long double x; int fn;
|
|
#endif
|
|
#else
|
|
#ifdef __STDC__
|
|
long double __ieee754_scalbl(long double x, long double fn)
|
|
#else
|
|
long double __ieee754_scalbl(x,fn)
|
|
long double x, fn;
|
|
#endif
|
|
#endif
|
|
{
|
|
#ifdef _SCALB_INT
|
|
return __scalbnl(x,fn);
|
|
#else
|
|
if (__isnanl(x)||__isnanl(fn)) return x*fn;
|
|
if (!__finitel(fn)) {
|
|
if(fn>0.0) return x*fn;
|
|
else return x/(-fn);
|
|
}
|
|
if (__rintl(fn)!=fn) return (fn-fn)/(fn-fn);
|
|
if ( fn > 65000.0) return __scalbnl(x, 65000);
|
|
if (-fn > 65000.0) return __scalbnl(x,-65000);
|
|
return __scalbnl(x,(int)fn);
|
|
#endif
|
|
}
|