1/*-
2 * Based on sys/sparc64/include/ieeefp.h
3 * Public domain.
4 */
5
6#ifdef __arm__
7#include <arm/ieeefp.h>
8#else /* !__arm__ */
9
10#ifndef _MACHINE_IEEEFP_H_
11#define _MACHINE_IEEEFP_H_
12
13/* Deprecated FPU control interface */
14
15/* FP exception codes */
16#define FP_EXCEPT_INV 8
17#define FP_EXCEPT_DZ 9
18#define FP_EXCEPT_OFL 10
19#define FP_EXCEPT_UFL 11
20#define FP_EXCEPT_IMP 12
21#define FP_EXCEPT_DNML 15
22
23typedef int fp_except_t;
24
25#define FP_X_INV (1 << FP_EXCEPT_INV) /* invalid operation exception */
26#define FP_X_DZ (1 << FP_EXCEPT_DZ) /* divide-by-zero exception */
27#define FP_X_OFL (1 << FP_EXCEPT_OFL) /* overflow exception */
28#define FP_X_UFL (1 << FP_EXCEPT_UFL) /* underflow exception */
29#define FP_X_IMP (1 << FP_EXCEPT_IMP) /* imprecise (loss of precision) */
30#define FP_X_DNML (1 << FP_EXCEPT_DNML) /* denormal exception */
31
32typedef enum {
33 FP_RN = (0 << 22), /* round to nearest representable number */
34 FP_RP = (1 << 22), /* round toward positive infinity */
35 FP_RM = (2 << 22), /* round toward negative infinity */
36 FP_RZ = (3 << 22) /* round to zero (truncate) */
37} fp_rnd_t;
38
39__BEGIN_DECLS
40extern fp_rnd_t fpgetround(void);
41extern fp_rnd_t fpsetround(fp_rnd_t);
42extern fp_except_t fpgetmask(void);
43extern fp_except_t fpsetmask(fp_except_t);
44__END_DECLS
45
46#endif /* _MACHINE_IEEEFP_H_ */
47
48#endif /* !__arm__ */