blob: d4d57c8114f926c7b96958b4b737a95f9061b8a5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* $OpenBSD: ieeefp.h,v 1.2 2011/03/23 16:54:34 pirofti Exp $ */
/* $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 _ARM_IEEEFP_H_
#define _ARM_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 /* _ARM_IEEEFP_H_ */
|
