/*- * Based on sys/sparc64/include/ieeefp.h * Public domain. */ #ifdef __arm__ #include #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__ */