1 /* $NetBSD: ieeefp.h,v 1.3 2013/04/23 05:42:23 matt Exp $ */ 2 /** @file 3 * 4 * Copyright (c) 2013 - 2014, ARM Limited. All rights reserved. 5 * 6 * This program and the accompanying materials 7 * are licensed and made available under the terms and conditions of the BSD License 8 * which accompanies this distribution. The full text of the license may be found at 9 * http://opensource.org/licenses/bsd-license.php 10 * 11 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 * 14 **/ 15 /* 16 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995 17 * Public domain. 18 */ 19 20 #ifndef _ARM_IEEEFP_H_ 21 #define _ARM_IEEEFP_H_ 22 23 #include <LibConfig.h> 24 #include <sys/featuretest.h> 25 26 #if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE) 27 28 //#include <arm/fenv.h> 29 #include <machine/fenv.h> 30 31 #if !defined(_ISOC99_SOURCE) 32 33 /* Exception type (used by fpsetmask() et al.) */ 34 35 typedef int fp_except; 36 37 /* Bit defines for fp_except */ 38 39 #define FP_X_INV FE_INVALID /* invalid operation exception */ 40 #define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */ 41 #define FP_X_OFL FE_OVERFLOW /* overflow exception */ 42 #define FP_X_UFL FE_UNDERFLOW /* underflow exception */ 43 #define FP_X_IMP FE_INEXACT /* imprecise (prec. loss; "inexact") */ 44 45 /* Rounding modes */ 46 47 typedef enum { 48 FP_RN=FE_TONEAREST, /* round to nearest representable number */ 49 FP_RP=FE_UPWARD, /* round toward positive infinity */ 50 FP_RM=FE_DOWNWARD, /* round toward negative infinity */ 51 FP_RZ=FE_TOWARDZERO /* round to zero (truncate) */ 52 } fp_rnd; 53 54 #endif /* !_ISOC99_SOURCE */ 55 56 #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */ 57 58 #endif /* _ARM_IEEEFP_H_ */ 59
