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ieeefp.h revision 1.8.2.1 
      1 /*	$NetBSD: ieeefp.h,v 1.8.2.1 2017/03/20 06:57:17 pgoyette Exp $	*/
      2 
      3 /*
      4  * Written by J.T. Conklin, Apr 11, 1995
      5  * Public domain.
      6  */
      7 
      8 #ifndef _MIPS_IEEEFP_H_
      9 #define _MIPS_IEEEFP_H_
     10 
     11 #include <sys/featuretest.h>
     12 
     13 #if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
     14 
     15 #include <mips/fenv.h>
     16 
     17 #if !defined(_ISOC99_SOURCE)
     18 
     19 typedef unsigned int fp_except;
     20 
     21 /* adjust for FP_* and FE_* value differences */
     22 #define	__FPE(x) ((x) >> 2)
     23 
     24 #define FP_X_IMP	__FPE(FE_INEXACT)	/* imprecise (loss of precision) */
     25 #define FP_X_UFL	__FPE(FE_UNDERFLOW)	/* underflow exception */
     26 #define FP_X_OFL	__FPE(FE_OVERFLOW)	/* overflow exception */
     27 #define FP_X_DZ		__FPE(FE_DIVBYZERO)	/* divide-by-zero exception */
     28 #define FP_X_INV	__FPE(FE_INVALID)	/* invalid operation exception */
     29 
     30 typedef enum {
     31     FP_RN=FE_TONEAREST,		/* round to nearest representable number */
     32     FP_RZ=FE_TOWARDZERO,	/* round to zero (truncate) */
     33     FP_RP=FE_UPWARD,		/* round toward positive infinity */
     34     FP_RM=FE_DOWNWARD		/* round toward negative infinity */
     35 } fp_rnd;
     36 
     37 #endif /* !_ISOC99_SOURCE */
     38 
     39 #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
     40 
     41 #endif /* _MIPS_IEEEFP_H_ */
     42