Annotation of sys/arch/arm/include/ieeefp.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ieeefp.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */
2: /* $NetBSD: ieeefp.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $ */
3:
4: /*
5: * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
6: * Public domain.
7: */
8:
9: #ifndef _ARM32_IEEEFP_H_
10: #define _ARM32_IEEEFP_H_
11:
12: /* FP exception codes */
13:
14: #define FP_EXCEPT_INV 0
15: #define FP_EXCEPT_DZ 1
16: #define FP_EXCEPT_OFL 2
17: #define FP_EXCEPT_UFL 3
18: #define FP_EXCEPT_IMP 4
19:
20: /* Exception type (used by fpsetmask() et al.) */
21:
22: typedef int fp_except;
23:
24: /* Bit defines for fp_except */
25:
26: #define FP_X_INV (1 << FP_EXCEPT_INV) /* invalid operation exception */
27: #define FP_X_DZ (1 << FP_EXCEPT_DZ) /* divide-by-zero exception */
28: #define FP_X_OFL (1 << FP_EXCEPT_OFL) /* overflow exception */
29: #define FP_X_UFL (1 << FP_EXCEPT_UFL) /* underflow exception */
30: #define FP_X_IMP (1 << FP_EXCEPT_IMP) /* imprecise (loss of precision; "inexact") */
31:
32: /* Rounding modes */
33:
34: typedef enum {
35: FP_RN=0, /* round to nearest representable number */
36: FP_RP=1, /* round toward positive infinity */
37: FP_RM=2, /* round toward negative infinity */
38: FP_RZ=3 /* round to zero (truncate) */
39: } fp_rnd;
40:
41: #endif /* _ARM32_IEEEFP_H_ */
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