1*2fa72412Spirofti /* $OpenBSD: ieeefp.h,v 1.2 2011/03/23 16:54:34 pirofti Exp $ */ 2e1e4f5b1Sdrahn /* $NetBSD: ieeefp.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $ */ 3e1e4f5b1Sdrahn 4e1e4f5b1Sdrahn /* 5e1e4f5b1Sdrahn * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995 6e1e4f5b1Sdrahn * Public domain. 7e1e4f5b1Sdrahn */ 8e1e4f5b1Sdrahn 9*2fa72412Spirofti #ifndef _ARM_IEEEFP_H_ 10*2fa72412Spirofti #define _ARM_IEEEFP_H_ 11e1e4f5b1Sdrahn 12e1e4f5b1Sdrahn /* FP exception codes */ 13e1e4f5b1Sdrahn 14e1e4f5b1Sdrahn #define FP_EXCEPT_INV 0 15e1e4f5b1Sdrahn #define FP_EXCEPT_DZ 1 16e1e4f5b1Sdrahn #define FP_EXCEPT_OFL 2 17e1e4f5b1Sdrahn #define FP_EXCEPT_UFL 3 18e1e4f5b1Sdrahn #define FP_EXCEPT_IMP 4 19e1e4f5b1Sdrahn 20e1e4f5b1Sdrahn /* Exception type (used by fpsetmask() et al.) */ 21e1e4f5b1Sdrahn 22e1e4f5b1Sdrahn typedef int fp_except; 23e1e4f5b1Sdrahn 24e1e4f5b1Sdrahn /* Bit defines for fp_except */ 25e1e4f5b1Sdrahn 26e1e4f5b1Sdrahn #define FP_X_INV (1 << FP_EXCEPT_INV) /* invalid operation exception */ 27e1e4f5b1Sdrahn #define FP_X_DZ (1 << FP_EXCEPT_DZ) /* divide-by-zero exception */ 28e1e4f5b1Sdrahn #define FP_X_OFL (1 << FP_EXCEPT_OFL) /* overflow exception */ 29e1e4f5b1Sdrahn #define FP_X_UFL (1 << FP_EXCEPT_UFL) /* underflow exception */ 30e1e4f5b1Sdrahn #define FP_X_IMP (1 << FP_EXCEPT_IMP) /* imprecise (loss of precision; "inexact") */ 31e1e4f5b1Sdrahn 32e1e4f5b1Sdrahn /* Rounding modes */ 33e1e4f5b1Sdrahn 34e1e4f5b1Sdrahn typedef enum { 35e1e4f5b1Sdrahn FP_RN=0, /* round to nearest representable number */ 36e1e4f5b1Sdrahn FP_RP=1, /* round toward positive infinity */ 37e1e4f5b1Sdrahn FP_RM=2, /* round toward negative infinity */ 38e1e4f5b1Sdrahn FP_RZ=3 /* round to zero (truncate) */ 39e1e4f5b1Sdrahn } fp_rnd; 40e1e4f5b1Sdrahn 41*2fa72412Spirofti #endif /* _ARM_IEEEFP_H_ */ 42