/*-
 * Based on sys/sparc64/include/ieeefp.h
 * Public domain.
 */

#ifdef __arm__
#include <arm/ieeefp.h>
#else /* !__arm__ */

#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_ */

#endif /* !__arm__ */