1/*	$NetBSD: ieeefp.h,v 1.7 2017/03/22 23:11:09 chs Exp $	*/
 2
 3/* 
 4 * Written by J.T. Conklin, Apr 6, 1995
 5 * Public domain.
 6 */
 7
 8#ifndef _POWERPC_IEEEFP_H_
 9#define _POWERPC_IEEEFP_H_
10
11#include <sys/featuretest.h>
12
13#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
14
15#include <powerpc/fenv.h>
16
17#if !defined(_ISOC99_SOURCE)
18
19typedef int fp_except;
20
21/* adjust for FP_* and FE_* value differences */ 
22#define	__FPE(x) ((x) >> 25)
23#define	__FEE(x) ((x) << 25)
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_DZ		__FPE(FE_DIVBYZERO)	/* divide-by-zero exception */
29#define FP_X_UFL	__FPE(FE_UNDERFLOW)	/* underflow exception */
30#define FP_X_OFL	__FPE(FE_OVERFLOW)	/* overflow exception */
31#define FP_X_INV	__FPE(FE_INVALID)	/* invalid operation exception */
32
33typedef enum {
34    FP_RN=__FPR(FE_TONEAREST),	/* round to nearest representable number */
35    FP_RZ=__FPR(FE_TOWARDZERO),	/* round to zero (truncate) */
36    FP_RP=__FPR(FE_UPWARD),	/* round toward positive infinity */
37    FP_RM=__FPR(FE_DOWNWARD)	/* round toward negative infinity */
38} fp_rnd;
39
40#endif /* !_ISOC99_SOURCE */
41
42#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
43
44#endif /* _POWERPC_IEEEFP_H_ */