36 lines
916 B
C
36 lines
916 B
C
/* $NetBSD: fenv.h,v 1.1 2014/09/19 17:36:26 matt Exp $ */
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/*
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* Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
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* Public domain.
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*/
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#ifndef _RISCV_FENV_H_
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#define _RISCV_FENV_H_
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typedef int fenv_t; /* FPSCR */
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typedef int fexcept_t;
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#define FE_INEXACT 0x00 /* Result inexact */
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#define FE_UNDERFLOW 0x02 /* Result underflowed */
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#define FE_OVERFLOW 0x04 /* Result overflowed */
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#define FE_DIVBYZERO 0x08 /* divide-by-zero */
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#define FE_INVALID 0x10 /* Result invalid */
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#define FE_ALL_EXCEPT 0x1f
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#define FE_TONEAREST 0 /* round to nearest representable number */
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#define FE_TOWARDZERO 1 /* round to zero (truncate) */
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#define FE_DOWNWARD 2 /* round toward negative infinity */
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#define FE_UPWARD 3 /* round toward positive infinity */
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__BEGIN_DECLS
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/* Default floating-point environment */
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extern fenv_t __fe_dfl_env;
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#define FE_DFL_ENV (&__fe_dfl_env)
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__END_DECLS
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#endif /* _RISCV_FENV_H_ */
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