1 /*        $NetBSD: ieeefp.h,v 1.11 2020/07/26 08:08:41 simonb 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 #define   __FEE(x) ((x) << 2)
24 #define   __FPR(x) ((x))
25 #define   __FER(x) ((x))
26 
27 #define   FP_X_IMP  __FPE(FE_INEXACT)   /* imprecise (loss of precision) */
28 #define   FP_X_UFL  __FPE(FE_UNDERFLOW) /* underflow exception */
29 #define   FP_X_OFL  __FPE(FE_OVERFLOW)  /* overflow exception */
30 #define   FP_X_DZ             __FPE(FE_DIVBYZERO) /* divide-by-zero exception */
31 #define   FP_X_INV  __FPE(FE_INVALID)   /* invalid operation exception */
32 
33 typedef enum {
34     FP_RN=FE_TONEAREST,                 /* round to nearest representable number */
35     FP_RZ=FE_TOWARDZERO,      /* round to zero (truncate) */
36     FP_RP=FE_UPWARD,                    /* round toward positive infinity */
37     FP_RM=FE_DOWNWARD                   /* round toward negative infinity */
38 } fp_rnd;
39 
40 #endif /* !_ISOC99_SOURCE */
41 
42 #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
43 
44 #endif /* _MIPS_IEEEFP_H_ */
45