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/*-
* Based on sys/sparc64/include/ieeefp.h
* Public domain.
* $FreeBSD$
*/
#ifndef _MACHINE_IEEEFP_H_
#define _MACHINE_IEEEFP_H_
/* Deprecated FPU control interface */
/* FP exception codes */
#define FP_EXCEPT_INV 8
#define FP_EXCEPT_DZ 9
#define FP_EXCEPT_OFL 10
#define FP_EXCEPT_UFL 11
#define FP_EXCEPT_IMP 12
#define FP_EXCEPT_DNML 15
typedef int fp_except_t;
#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) */
#define FP_X_DNML (1 << FP_EXCEPT_DNML) /* denormal exception */
typedef enum {
FP_RN = (0 << 22), /* round to nearest representable number */
FP_RP = (1 << 22), /* round toward positive infinity */
FP_RM = (2 << 22), /* round toward negative infinity */
FP_RZ = (3 << 22) /* round to zero (truncate) */
} fp_rnd_t;
__BEGIN_DECLS
extern fp_rnd_t fpgetround(void);
extern fp_rnd_t fpsetround(fp_rnd_t);
extern fp_except_t fpgetmask(void);
extern fp_except_t fpsetmask(fp_except_t);
__END_DECLS
#endif /* _MACHINE_IEEEFP_H_ */
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