64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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#ifndef LIBM_H
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#define LIBM_H
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#define FE_INVALID 1
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#define __FE_DENORM 2
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#define FE_DIVBYZERO 4
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#define FE_OVERFLOW 8
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#define FE_UNDERFLOW 16
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#define FE_INEXACT 32
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#define FE_ALL_EXCEPT 63
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#define FE_TONEAREST 0
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#define FE_DOWNWARD 0x400
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#define FE_UPWARD 0x800
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#define FE_TOWARDZERO 0xc00
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typedef unsigned short fexcept_t;
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typedef struct {
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unsigned short __control_word;
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unsigned short __unused1;
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unsigned short __status_word;
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unsigned short __unused2;
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unsigned short __tags;
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unsigned short __unused3;
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unsigned int __eip;
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unsigned short __cs_selector;
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unsigned int __opcode;
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unsigned int __unused4;
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unsigned int __data_offset;
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unsigned short __data_selector;
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unsigned short __unused5;
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unsigned int __mxcsr;
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} _fenv_t;
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#define FE_DFL_ENV ((const fenv_t *)-1)
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static int feclearexcept(int mask) { return 0; }
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static int feraiseexcept(int mask) { return 0; }
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static int _fetestexcept(int mask) { return 0; }
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static int fegetround(void) { return FE_TONEAREST; }
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static int fesetround(int r) { return 0; }
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static int fegetenv(_fenv_t *envp) { return 0; }
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static int fesetenv(const _fenv_t *envp) { return 0; }
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#endif // LIBM_H
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