1 /* 2 * Written by J.T. Conklin, Apr 6, 1995 3 * Public domain. 4 */ 5 6 #ifndef _I386_IEEEFP_H_ 7 #define _I386_IEEEFP_H_ 8 9 typedef int fp_except; 10 #define FP_X_INV 0x01 /* invalid operation exception */ 11 #define FP_X_DNML 0x02 /* denormalization exception */ 12 #define FP_X_DZ 0x04 /* divide-by-zero exception */ 13 #define FP_X_OFL 0x08 /* overflow exception */ 14 #define FP_X_UFL 0x10 /* underflow exception */ 15 #define FP_X_IMP 0x20 /* imprecise (loss of precision) */ 16 17 typedef enum { 18 FP_RN=0, /* round to nearest representable number */ 19 FP_RM=1, /* round toward negative infinity */ 20 FP_RP=2, /* round toward positive infinity */ 21 FP_RZ=3 /* round to zero (truncate) */ 22 } fp_rnd; 23 24 #endif /* _I386_IEEEFP_H_ */ 25