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42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* Copyright (C) 1997-2019 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 Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 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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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 <fenv.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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fpu_fpsr_t fpsr;
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fpu_fpsr_t fpsr_new;
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/* Get the current environment. */
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_FPU_GETFPSR (fpsr);
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excepts &= FE_ALL_EXCEPT;
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/* Set the desired exception mask. */
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fpsr_new = fpsr & ~excepts;
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fpsr_new |= *flagp & excepts;
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/* Save state back to the FPU. */
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if (fpsr != fpsr_new)
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_FPU_SETFPSR (fpsr_new);
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return 0;
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}
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