diff options
Diffstat (limited to 'bits')
| -rw-r--r-- | bits/math-finite.h | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/bits/math-finite.h b/bits/math-finite.h new file mode 100644 index 0000000000..6141c12537 --- /dev/null +++ b/bits/math-finite.h @@ -0,0 +1,197 @@ +/* Entry points to finite-math-only compiler runs. + Copyright (C) 2011-2019 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _MATH_H +# error "Never use <bits/math-finite.h> directly; include <math.h> instead." +#endif + +#define __REDIRFROM(...) __REDIRFROM_X(__VA_ARGS__) + +#define __REDIRTO(...) __REDIRTO_X(__VA_ARGS__) + +#define __MATH_REDIRCALL_X(from, args, to) \ + extern _Mdouble_ __REDIRECT_NTH (from, args, to) +#define __MATH_REDIRCALL(function, reentrant, args) \ + __MATH_REDIRCALL_X \ + (__REDIRFROM (function, reentrant), args, \ + __REDIRTO (function, reentrant)) +#define __MATH_REDIRCALL_2(from, reentrant, args, to) \ + __MATH_REDIRCALL_X \ + (__REDIRFROM (from, reentrant), args, \ + __REDIRTO (to, reentrant)) + +#define __MATH_REDIRCALL_INTERNAL(function, reentrant, args) \ + __MATH_REDIRCALL_X \ + (__REDIRFROM (__CONCAT (__, function), \ + __CONCAT (reentrant, _finite)), \ + args, __REDIRTO (function, _r)) + + +/* acos. */ +__MATH_REDIRCALL (acos, , (_Mdouble_)); + +#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 +/* acosh. */ +__MATH_REDIRCALL (acosh, , (_Mdouble_)); +#endif + +/* asin. */ +__MATH_REDIRCALL (asin, , (_Mdouble_)); + +/* atan2. */ +__MATH_REDIRCALL (atan2, , (_Mdouble_, _Mdouble_)); + +#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 +/* atanh. */ +__MATH_REDIRCALL (atanh, , (_Mdouble_)); +#endif + +/* cosh. */ +__MATH_REDIRCALL (cosh, , (_Mdouble_)); + +/* exp. */ +__MATH_REDIRCALL (exp, , (_Mdouble_)); + +#if __GLIBC_USE (IEC_60559_FUNCS_EXT) +/* exp10. */ +__MATH_REDIRCALL (exp10, , (_Mdouble_)); +#endif + +#ifdef __USE_ISOC99 +/* exp2. */ +__MATH_REDIRCALL (exp2, , (_Mdouble_)); +#endif + +/* fmod. */ +__MATH_REDIRCALL (fmod, , (_Mdouble_, _Mdouble_)); + +#if defined __USE_XOPEN || defined __USE_ISOC99 +/* hypot. */ +__MATH_REDIRCALL (hypot, , (_Mdouble_, _Mdouble_)); +#endif + +#if (__MATH_DECLARING_DOUBLE && (defined __USE_MISC || defined __USE_XOPEN)) \ + || (!__MATH_DECLARING_DOUBLE && defined __USE_MISC) +/* j0. */ +__MATH_REDIRCALL (j0, , (_Mdouble_)); + +/* y0. */ +__MATH_REDIRCALL (y0, , (_Mdouble_)); + +/* j1. */ +__MATH_REDIRCALL (j1, , (_Mdouble_)); + +/* y1. */ +__MATH_REDIRCALL (y1, , (_Mdouble_)); + +/* jn. */ +__MATH_REDIRCALL (jn, , (int, _Mdouble_)); + +/* yn. */ +__MATH_REDIRCALL (yn, , (int, _Mdouble_)); +#endif + +#ifdef __USE_MISC +/* lgamma_r. */ +__MATH_REDIRCALL (lgamma, _r, (_Mdouble_, int *)); +#endif + +/* Redirect __lgammal_r_finite to __lgamma_r_finite when __NO_LONG_DOUBLE_MATH + is set and to itself otherwise. It also redirects __lgamma_r_finite and + __lgammaf_r_finite to themselves. */ +__MATH_REDIRCALL_INTERNAL (lgamma, _r, (_Mdouble_, int *)); + +#if ((defined __USE_XOPEN || defined __USE_ISOC99) \ + && defined __extern_always_inline) +/* lgamma. */ +__extern_always_inline _Mdouble_ +__NTH (__REDIRFROM (lgamma, ) (_Mdouble_ __d)) +{ +# if defined __USE_MISC || defined __USE_XOPEN + return __REDIRTO (lgamma, _r) (__d, &signgam); +# else + int __local_signgam = 0; + return __REDIRTO (lgamma, _r) (__d, &__local_signgam); +# endif +} +#endif + +#if ((defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)) \ + && defined __extern_always_inline) && !__MATH_DECLARING_FLOATN +/* gamma. */ +__extern_always_inline _Mdouble_ +__NTH (__REDIRFROM (gamma, ) (_Mdouble_ __d)) +{ + return __REDIRTO (lgamma, _r) (__d, &signgam); +} +#endif + +/* log. */ +__MATH_REDIRCALL (log, , (_Mdouble_)); + +/* log10. */ +__MATH_REDIRCALL (log10, , (_Mdouble_)); + +#ifdef __USE_ISOC99 +/* log2. */ +__MATH_REDIRCALL (log2, , (_Mdouble_)); +#endif + +/* pow. */ +__MATH_REDIRCALL (pow, , (_Mdouble_, _Mdouble_)); + +#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 +/* remainder. */ +__MATH_REDIRCALL (remainder, , (_Mdouble_, _Mdouble_)); +#endif + +#if ((__MATH_DECLARING_DOUBLE \ + && (defined __USE_MISC \ + || (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8))) \ + || (!defined __MATH_DECLARE_LDOUBLE && defined __USE_MISC)) \ + && !__MATH_DECLARING_FLOATN +/* scalb. */ +__MATH_REDIRCALL (scalb, , (_Mdouble_, _Mdouble_)); +#endif + +/* sinh. */ +__MATH_REDIRCALL (sinh, , (_Mdouble_)); + +/* sqrt. */ +__MATH_REDIRCALL (sqrt, , (_Mdouble_)); + +#if defined __USE_ISOC99 && defined __extern_always_inline +/* tgamma. */ +extern _Mdouble_ +__REDIRFROM (__gamma, _r_finite) (_Mdouble_, int *); + +__extern_always_inline _Mdouble_ +__NTH (__REDIRFROM (tgamma, ) (_Mdouble_ __d)) +{ + int __local_signgam = 0; + _Mdouble_ __res = __REDIRTO (gamma, _r) (__d, &__local_signgam); + return __local_signgam < 0 ? -__res : __res; +} +#endif + +#undef __REDIRFROM +#undef __REDIRTO +#undef __MATH_REDIRCALL +#undef __MATH_REDIRCALL_2 +#undef __MATH_REDIRCALL_INTERNAL +#undef __MATH_REDIRCALL_X |