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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.
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/* w_exp10f.c -- float version of w_exp10.c.
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* Conversion to exp10 by Ulrich Drepper <drepper@cygnus.com>.
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*/
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/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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/*
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* wrapper expf10(x)
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*/
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#include "math.h"
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#include "math_private.h"
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#ifdef __STDC__
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static const float
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#else
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static float
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#endif
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o_threshold= 3.853183944498959298709e+01,
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u_threshold= -4.515449934959717928174e+01;
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#ifdef __STDC__
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float __exp10f(float x) /* wrapper exp10f */
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#else
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float __exp10f(x) /* wrapper exp10f */
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float x;
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#endif
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{
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#ifdef _IEEE_LIBM
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return __ieee754_exp10f(x);
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#else
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float z;
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z = __ieee754_exp10f(x);
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if(_LIB_VERSION == _IEEE_) return z;
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if(__finitef(x)) {
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if(x>o_threshold)
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/* exp overflow */
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return (float)__kernel_standard((double)x,(double)x,146);
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else if(x<u_threshold)
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/* exp underflow */
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return (float)__kernel_standard((double)x,(double)x,147);
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}
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return z;
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#endif
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}
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weak_alias (__exp10f, exp10f)
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strong_alias (__exp10f, __pow10f)
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weak_alias (__pow10f, pow10f)
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