mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 10:20:06 +00:00
4bbac92a0a
1998-06-09 18:16 Ulrich Drepper <drepper@cygnus.com>
* math/Makefile (libm-calls): Add w_exp10 and e_exp10.
* math/libm.map: Add exp10{,f,l} and pow10{,f,l}.
* math/math_private.h: Add prototypes for __ieee754_exp10{,f,l}.
* math/bits/mathcalls.h: Add definitions for exp10 and pow10
prototypes.
* sysdeps/libm-i387/e_exp10.S: New file.
* sysdeps/libm-i387/e_exp10f.S: New file.
* sysdeps/libm-i387/e_exp10l.S: New file.
* sysdeps/libm-ieee754/e_exp10.c: New file.
* sysdeps/libm-ieee754/e_exp10f.c: New file.
* sysdeps/libm-ieee754/e_exp10l.c: New file.
* sysdeps/libm-ieee754/w_exp10.c: New file.
* sysdeps/libm-ieee754/w_exp10f.c: New file.
* sysdeps/libm-ieee754/w_exp10l.c: New file.
* sysdeps/libm-ieee754/k_standard.c: Add exception code for exp10.
1998-05-25 22:18 H.J. Lu <hjl@gnu.org>
* sysdeps/unix/sysv/linux/i386/Makefile (sysdep_headers): Add
sys/elf.h and sys/reg.h.
* sysdeps/unix/sysv/linux/i386/sys/elf.h: New file.
* sysdeps/unix/sysv/linux/i386/sys/reg.h: New file.
* sysdeps/unix/sysv/linux/i386/sys/procfs.h: New file.
* sysdeps/unix/sysv/linux/i386/sys/user.h: New file.
* sysdeps/unix/sysv/linux/sys/ptrace.h (PTRACE_GETREGS,
PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS): Added.
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/* w_exp10l.c -- long double version of w_exp10.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.
|
|
* ====================================================
|
|
*/
|
|
|
|
/*
|
|
* wrapper exp10l(x)
|
|
*/
|
|
|
|
#include "math.h"
|
|
#include "math_private.h"
|
|
|
|
#ifdef __STDC__
|
|
static const long double
|
|
#else
|
|
static long double
|
|
#endif
|
|
o_threshold= 4.93207544895866790234755e+03,
|
|
u_threshold= -4.95104033868549871764588e+03;
|
|
|
|
#ifdef __STDC__
|
|
long double __exp10l(long double x) /* wrapper exp10 */
|
|
#else
|
|
long double __exp10l(x) /* wrapper exp10 */
|
|
long double x;
|
|
#endif
|
|
{
|
|
#ifdef _IEEE_LIBM
|
|
return __ieee754_exp10l(x);
|
|
#else
|
|
long double z;
|
|
z = __ieee754_exp10l(x);
|
|
if(_LIB_VERSION == _IEEE_) return z;
|
|
if(__finitel(x)) {
|
|
if(x>o_threshold)
|
|
return __kernel_standard(x,x,246); /* exp10 overflow */
|
|
else if(x<u_threshold)
|
|
return __kernel_standard(x,x,247); /* exp10 underflow */
|
|
}
|
|
return z;
|
|
#endif
|
|
}
|
|
weak_alias (__exp10l, exp10l)
|
|
strong_alias (__exp10l, __pow10l)
|
|
weak_alias (__pow10l, pow10l)
|