41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/* $NetBSD: ieeefp.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $ */
|
|
|
|
/*
|
|
* Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
|
|
* Public domain.
|
|
*/
|
|
|
|
#ifndef _ARM32_IEEEFP_H_
|
|
#define _ARM32_IEEEFP_H_
|
|
|
|
/* FP exception codes */
|
|
|
|
#define FP_EXCEPT_INV 0
|
|
#define FP_EXCEPT_DZ 1
|
|
#define FP_EXCEPT_OFL 2
|
|
#define FP_EXCEPT_UFL 3
|
|
#define FP_EXCEPT_IMP 4
|
|
|
|
/* Exception type (used by fpsetmask() et al.) */
|
|
|
|
typedef int fp_except;
|
|
|
|
/* Bit defines for fp_except */
|
|
|
|
#define FP_X_INV (1 << FP_EXCEPT_INV) /* invalid operation exception */
|
|
#define FP_X_DZ (1 << FP_EXCEPT_DZ) /* divide-by-zero exception */
|
|
#define FP_X_OFL (1 << FP_EXCEPT_OFL) /* overflow exception */
|
|
#define FP_X_UFL (1 << FP_EXCEPT_UFL) /* underflow exception */
|
|
#define FP_X_IMP (1 << FP_EXCEPT_IMP) /* imprecise (loss of precision; "inexact") */
|
|
|
|
/* Rounding modes */
|
|
|
|
typedef enum {
|
|
FP_RN=0, /* round to nearest representable number */
|
|
FP_RP=1, /* round toward positive infinity */
|
|
FP_RM=2, /* round toward negative infinity */
|
|
FP_RZ=3 /* round to zero (truncate) */
|
|
} fp_rnd;
|
|
|
|
#endif /* _ARM32_IEEEFP_H_ */
|