mirror of
https://codeberg.org/ziglang/zig.git
synced 2025-12-06 22:04:21 +00:00
553cb3ed46
sys/param.h was manually adjusted to not define __NetBSD_Version__ since it will be defined by the compiler.
44 lines
No EOL
1.2 KiB
C
Vendored
44 lines
No EOL
1.2 KiB
C
Vendored
/* $NetBSD: ieeefp.h,v 1.7 2017/03/22 23:11:09 chs Exp $ */
|
|
|
|
/*
|
|
* Written by J.T. Conklin, Apr 6, 1995
|
|
* Public domain.
|
|
*/
|
|
|
|
#ifndef _POWERPC_IEEEFP_H_
|
|
#define _POWERPC_IEEEFP_H_
|
|
|
|
#include <sys/featuretest.h>
|
|
|
|
#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
|
|
|
|
#include <powerpc/fenv.h>
|
|
|
|
#if !defined(_ISOC99_SOURCE)
|
|
|
|
typedef int fp_except;
|
|
|
|
/* adjust for FP_* and FE_* value differences */
|
|
#define __FPE(x) ((x) >> 25)
|
|
#define __FEE(x) ((x) << 25)
|
|
#define __FPR(x) ((x))
|
|
#define __FER(x) ((x))
|
|
|
|
#define FP_X_IMP __FPE(FE_INEXACT) /* imprecise (loss of precision) */
|
|
#define FP_X_DZ __FPE(FE_DIVBYZERO) /* divide-by-zero exception */
|
|
#define FP_X_UFL __FPE(FE_UNDERFLOW) /* underflow exception */
|
|
#define FP_X_OFL __FPE(FE_OVERFLOW) /* overflow exception */
|
|
#define FP_X_INV __FPE(FE_INVALID) /* invalid operation exception */
|
|
|
|
typedef enum {
|
|
FP_RN=__FPR(FE_TONEAREST), /* round to nearest representable number */
|
|
FP_RZ=__FPR(FE_TOWARDZERO), /* round to zero (truncate) */
|
|
FP_RP=__FPR(FE_UPWARD), /* round toward positive infinity */
|
|
FP_RM=__FPR(FE_DOWNWARD) /* round toward negative infinity */
|
|
} fp_rnd;
|
|
|
|
#endif /* !_ISOC99_SOURCE */
|
|
|
|
#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
|
|
|
|
#endif /* _POWERPC_IEEEFP_H_ */ |