diff options
Diffstat (limited to 'sysdeps/sparc/fpu/fraiseexcpt.c')
-rw-r--r-- | sysdeps/sparc/fpu/fraiseexcpt.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/sysdeps/sparc/fpu/fraiseexcpt.c b/sysdeps/sparc/fpu/fraiseexcpt.c deleted file mode 100644 index 954166ed64..0000000000 --- a/sysdeps/sparc/fpu/fraiseexcpt.c +++ /dev/null @@ -1,91 +0,0 @@ -/* Raise given exceptions. - Copyright (C) 1997-2017 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/>. */ - -#include <fenv.h> -#include <float.h> -#include <math.h> -#include <shlib-compat.h> - -int -__feraiseexcept (int excepts) -{ - static const struct { - double zero, one, max, min, pi; - } c = { - 0.0, 1.0, DBL_MAX, DBL_MIN, M_PI - }; - double d; - - /* Raise exceptions represented by EXPECTS. But we must raise only - one signal at a time. It is important the if the overflow/underflow - exception and the inexact exception are given at the same time, - the overflow/underflow exception follows the inexact exception. */ - - /* First: invalid exception. */ - if ((FE_INVALID & excepts) != 0) - { - /* One example of an invalid operation is 0/0. */ - __asm ("" : "=e" (d) : "0" (c.zero)); - d /= c.zero; - __asm __volatile ("" : : "e" (d)); - } - - /* Next: division by zero. */ - if ((FE_DIVBYZERO & excepts) != 0) - { - __asm ("" : "=e" (d) : "0" (c.one)); - d /= c.zero; - __asm __volatile ("" : : "e" (d)); - } - - /* Next: overflow. */ - if ((FE_OVERFLOW & excepts) != 0) - { - __asm ("" : "=e" (d) : "0" (c.max)); - d *= d; - __asm __volatile ("" : : "e" (d)); - } - - /* Next: underflow. */ - if ((FE_UNDERFLOW & excepts) != 0) - { - __asm ("" : "=e" (d) : "0" (c.min)); - d *= d; - __asm __volatile ("" : : "e" (d)); - } - - /* Last: inexact. */ - if ((FE_INEXACT & excepts) != 0) - { - __asm ("" : "=e" (d) : "0" (c.one)); - d /= c.pi; - __asm __volatile ("" : : "e" (d)); - } - - /* Success. */ - return 0; -} - -#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) -strong_alias (__feraiseexcept, __old_feraiseexcept) -compat_symbol (libm, __old_feraiseexcept, feraiseexcept, GLIBC_2_1); -#endif - -libm_hidden_def (__feraiseexcept) -libm_hidden_ver (__feraiseexcept, feraiseexcept) -versioned_symbol (libm, __feraiseexcept, feraiseexcept, GLIBC_2_2); |