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45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/* Set floating-point environment exception handling.
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Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <fenv.h>
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#include <math.h>
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#include <fpu_control.h>
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int
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__fesetexceptflag (const fexcept_t *flagp, int excepts)
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{
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fexcept_t temp;
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/* Get the current environment. */
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_FPU_GETCW (temp);
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/* Set the desired exception mask. */
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temp &= ~((excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT);
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temp |= (*flagp & excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT;
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/* Save state back to the FPU. */
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_FPU_SETCW (temp);
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/* Success. */
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return 0;
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}
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strong_alias (__fesetexceptflag, __old_fesetexceptflag)
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symbol_version (__old_fesetexceptflag, fesetexceptflag, GLIBC_2.1);
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default_symbol_version (__fesetexceptflag, fesetexceptflag, GLIBC_2.1.3);
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