1 /* $OpenBSD: ieeefp.h,v 1.2 2021/05/01 20:07:01 kettenis Exp $ */ 2 3 /* 4 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995 5 * Public domain. 6 */ 7 8 #ifndef _MACHINE_IEEEFP_H_ 9 #define _MACHINE_IEEEFP_H_ 10 11 typedef int fp_except; 12 #define FP_X_INV 0x01 /* invalid operation exception */ 13 #define FP_X_DZ 0x02 /* divide-by-zero exception */ 14 #define FP_X_OFL 0x04 /* overflow exception */ 15 #define FP_X_UFL 0x08 /* underflow exception */ 16 #define FP_X_IMP 0x10 /* imprecise (loss of precision) */ 17 18 typedef enum { 19 FP_RN=0, /* round to nearest representable number */ 20 FP_RP=1, /* round toward positive infinity */ 21 FP_RM=2, /* round toward negative infinity */ 22 FP_RZ=3 /* round to zero (truncate) */ 23 } fp_rnd; 24 25 #endif /* _MACHINE_IEEEFP_H_ */ 26