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44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* Store current floating-point environment and clear exceptions
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(soft-float edition).
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Copyright (C) 2002, 2007, 2008 Free Software Foundation, Inc.
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Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002.
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "soft-fp.h"
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#include "soft-supp.h"
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int
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feholdexcept (fenv_t *envp)
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{
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fenv_union_t u;
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/* Get the current state. */
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__fegetenv (envp);
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u.fenv = *envp;
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/* Clear everything except the rounding mode. */
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u.l[0] &= 0x3;
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/* Disable exceptions */
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u.l[1] = FE_ALL_EXCEPT;
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/* Put the new state in effect. */
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fesetenv (&u.fenv);
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return 0;
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}
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libm_hidden_def (feholdexcept)
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