43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
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/* Copyright (c) 2017 SiFive Inc. All rights reserved.
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This copyrighted material is made available to anyone wishing to use,
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modify, copy, or redistribute it subject to the terms and conditions
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of the FreeBSD License. This program is distributed in the hope that
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it will be useful, but WITHOUT ANY WARRANTY expressed or implied,
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including the implied warranties of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. A copy of this license is available at
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http://www.opensource.org/licenses.
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*/
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#ifndef _FENV_H
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#define _FENV_H
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#include <sys/fenv.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Exception */
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int feclearexcept(int excepts);
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int fegetexceptflag(fexcept_t *flagp, int excepts);
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int feraiseexcept(int excepts);
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int fesetexceptflag(const fexcept_t *flagp, int excepts);
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int fetestexcept(int excepts);
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/* Rounding mode */
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int fegetround(void);
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int fesetround(int rounding_mode);
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/* Float environment */
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int fegetenv(fenv_t *envp);
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int feholdexcept(fenv_t *envp);
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int fesetenv(const fenv_t *envp);
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int feupdateenv(const fenv_t *envp);
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#ifdef __cplusplus
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}
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#endif
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#endif
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