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52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
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This file is part of Fennix C Library.
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Fennix C Library is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef _FENV_H
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#define _FENV_H
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typedef int fenv_t;
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typedef int fexcept_t;
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#define FE_DIVBYZERO 0x04
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#define FE_INEXACT 0x20
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#define FE_INVALID 0x01
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#define FE_OVERFLOW 0x08
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#define FE_UNDERFLOW 0x10
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#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
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#define FE_DOWNWARD 0x400
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#define FE_TONEAREST 0x000
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#define FE_TOWARDZERO 0xC00
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#define FE_UPWARD 0x800
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#define FE_DFL_ENV ((const fenv_t *)-1)
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int feclearexcept(int excepts);
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int fegetenv(fenv_t *envp);
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int fegetexceptflag(fexcept_t *flagp, int excepts);
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int fegetround(void);
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int feholdexcept(fenv_t *envp);
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int feraiseexcept(int excepts);
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int fesetenv(const fenv_t *envp);
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int fesetexceptflag(const fexcept_t *flagp, int excepts);
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int fesetround(int round);
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int fetestexcept(int excepts);
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int feupdateenv(const fenv_t *envp);
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#endif // _FENV_H
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