diff options
author | Ulrich Drepper <drepper@redhat.com> | 1998-06-09 18:24:13 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1998-06-09 18:24:13 +0000 |
commit | 4bbac92a0a58c00a8c8c99241cde3d4a3ddb3f5c (patch) | |
tree | 4557a7d8b1e9402e5ad426280f3bcdd33a68b742 /sysdeps/libm-ieee754 | |
parent | 69f234e8ff029cdd0ee7f91df7bcd006bbcab42f (diff) | |
download | glibc-4bbac92a0a58c00a8c8c99241cde3d4a3ddb3f5c.tar.gz glibc-4bbac92a0a58c00a8c8c99241cde3d4a3ddb3f5c.tar.xz glibc-4bbac92a0a58c00a8c8c99241cde3d4a3ddb3f5c.zip |
Update.
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.
Diffstat (limited to 'sysdeps/libm-ieee754')
-rw-r--r-- | sysdeps/libm-ieee754/e_exp10.c | 29 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/e_exp10f.c | 29 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/e_exp10l.c | 29 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/k_standard.c | 40 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/w_exp10.c | 59 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/w_exp10f.c | 57 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/w_exp10l.c | 56 |
7 files changed, 296 insertions, 3 deletions
diff --git a/sysdeps/libm-ieee754/e_exp10.c b/sysdeps/libm-ieee754/e_exp10.c new file mode 100644 index 0000000000..3b367641cd --- /dev/null +++ b/sysdeps/libm-ieee754/e_exp10.c @@ -0,0 +1,29 @@ +/* Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <math.h> + + +double +__ieee754_exp10 (double arg) +{ + /* This is a very stupid and inprecise implementation. It'll get + replaced sometime (soon?). */ + return __ieee754_exp (M_LN10 * arg); +} diff --git a/sysdeps/libm-ieee754/e_exp10f.c b/sysdeps/libm-ieee754/e_exp10f.c new file mode 100644 index 0000000000..200eecd833 --- /dev/null +++ b/sysdeps/libm-ieee754/e_exp10f.c @@ -0,0 +1,29 @@ +/* Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <math.h> + + +float +__ieee754_exp10f (float arg) +{ + /* This is a very stupid and inprecise implementation. It'll get + replaced sometime (soon?). */ + return __ieee754_expf (M_LN10 * arg); +} diff --git a/sysdeps/libm-ieee754/e_exp10l.c b/sysdeps/libm-ieee754/e_exp10l.c new file mode 100644 index 0000000000..e2820d24f7 --- /dev/null +++ b/sysdeps/libm-ieee754/e_exp10l.c @@ -0,0 +1,29 @@ +/* Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <math.h> + + +long double +__ieee754_exp10l (long double arg) +{ + /* This is a very stupid and inprecise implementation. It'll get + replaced sometime (soon?). */ + return __ieee754_expl (M_LN10l * arg); +} diff --git a/sysdeps/libm-ieee754/k_standard.c b/sysdeps/libm-ieee754/k_standard.c index 6c410c4c1a..aeaa50f2ee 100644 --- a/sysdeps/libm-ieee754/k_standard.c +++ b/sysdeps/libm-ieee754/k_standard.c @@ -83,6 +83,8 @@ static double zero = 0.0; /* used as const */ * 43-- +0**neg * 44-- exp2 overflow * 45-- exp2 underflow + * 46-- exp10 overflow + * 47-- exp10 underflow */ @@ -874,7 +876,7 @@ static double zero = 0.0; /* used as const */ /* exp(finite) overflow */ exc.type = OVERFLOW; exc.name = type < 100 ? "exp2" : (type < 200 - ? "exp2f" : "exp2l"); + ? "exp2f" : "exp2l"); if (_LIB_VERSION == _SVID_) exc.retval = HUGE; else @@ -891,7 +893,7 @@ static double zero = 0.0; /* used as const */ /* exp(finite) underflow */ exc.type = UNDERFLOW; exc.name = type < 100 ? "exp2" : (type < 200 - ? "exp2f" : "exp2l"); + ? "exp2f" : "exp2l"); exc.retval = zero; if (_LIB_VERSION == _POSIX_) __set_errno (ERANGE); @@ -899,7 +901,39 @@ static double zero = 0.0; /* used as const */ __set_errno (ERANGE); } break; - /* #### Last used is 44/144/244 ### */ + + case 46: + case 146: + case 246: + /* exp(finite) overflow */ + exc.type = OVERFLOW; + exc.name = type < 100 ? "exp10" : (type < 200 + ? "exp10f" : "exp10l"); + if (_LIB_VERSION == _SVID_) + exc.retval = HUGE; + else + exc.retval = HUGE_VAL; + if (_LIB_VERSION == _POSIX_) + __set_errno (ERANGE); + else if (!matherr(&exc)) { + __set_errno (ERANGE); + } + break; + case 47: + case 147: + case 247: + /* exp(finite) underflow */ + exc.type = UNDERFLOW; + exc.name = type < 100 ? "exp10" : (type < 200 + ? "exp10f" : "exp10l"); + exc.retval = zero; + if (_LIB_VERSION == _POSIX_) + __set_errno (ERANGE); + else if (!matherr(&exc)) { + __set_errno (ERANGE); + } + break; + /* #### Last used is 47/147/247 ### */ } return exc.retval; } diff --git a/sysdeps/libm-ieee754/w_exp10.c b/sysdeps/libm-ieee754/w_exp10.c new file mode 100644 index 0000000000..cb27159e4f --- /dev/null +++ b/sysdeps/libm-ieee754/w_exp10.c @@ -0,0 +1,59 @@ +/* @(#)w_exp10.c + * Conversion to exp10 by Ulrich Drepper <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 exp10(x) + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ +static const double +#else +static double +#endif +o_threshold= 3.0825471555991674389672e+02, +u_threshold= -3.2360724533877978485251e+02; + +#ifdef __STDC__ + double __exp10(double x) /* wrapper exp10 */ +#else + double __exp10(x) /* wrapper exp10 */ + double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_exp10(x); +#else + double z; + z = __ieee754_exp10(x); + if(_LIB_VERSION == _IEEE_) return z; + if(__finite(x)) { + if(x>o_threshold) + return __kernel_standard(x,x,46); /* exp10 overflow */ + else if(x<u_threshold) + return __kernel_standard(x,x,47); /* exp10 underflow */ + } + return z; +#endif +} +weak_alias (__exp10, exp10) +strong_alias (__exp10, __pow10) +weak_alias (__pow10, pow10) +#ifdef NO_LONG_DOUBLE +strong_alias (__exp10, __exp10l) +weak_alias (__exp10, exp10l) +strong_alias (__exp10l, __pow10l) +weak_alias (__pow10l, pow10l) +#endif diff --git a/sysdeps/libm-ieee754/w_exp10f.c b/sysdeps/libm-ieee754/w_exp10f.c new file mode 100644 index 0000000000..f78be7973b --- /dev/null +++ b/sysdeps/libm-ieee754/w_exp10f.c @@ -0,0 +1,57 @@ +/* w_exp10f.c -- float version of w_exp10.c. + * Conversion to exp10 by Ulrich Drepper <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 expf10(x) + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ +static const float +#else +static float +#endif +o_threshold= 3.853183944498959298709e+01, +u_threshold= -4.515449934959717928174e+01; + +#ifdef __STDC__ + float __exp10f(float x) /* wrapper exp10f */ +#else + float __exp10f(x) /* wrapper exp10f */ + float x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_exp10f(x); +#else + float z; + z = __ieee754_exp10f(x); + if(_LIB_VERSION == _IEEE_) return z; + if(__finitef(x)) { + if(x>o_threshold) + /* exp overflow */ + return (float)__kernel_standard((double)x,(double)x,146); + else if(x<u_threshold) + /* exp underflow */ + return (float)__kernel_standard((double)x,(double)x,147); + } + return z; +#endif +} +weak_alias (__exp10f, exp10f) +strong_alias (__exp10f, __pow10f) +weak_alias (__pow10f, pow10f) diff --git a/sysdeps/libm-ieee754/w_exp10l.c b/sysdeps/libm-ieee754/w_exp10l.c new file mode 100644 index 0000000000..7117873c22 --- /dev/null +++ b/sysdeps/libm-ieee754/w_exp10l.c @@ -0,0 +1,56 @@ +/* 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) |