/* $NetBSD: float.h,v 1.10 2005/12/11 12:19:34 christos Exp $ */ /* * Copyright (c) 1989 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)float.h 7.2 (Berkeley) 6/28/90 */ #ifndef _VAX_FLOAT_H_ #define _VAX_FLOAT_H_ #include <sys/cdefs.h> #include <sys/featuretest.h> #define FLT_RADIX 2 /* b */ #define FLT_ROUNDS 1 /* FP addition rounds to nearest */ #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \ !defined(_XOPEN_SOURCE) || \ ((__STDC_VERSION__ - 0) >= 199901L) || \ ((_POSIX_C_SOURCE - 0) >= 200112L) || \ ((_XOPEN_SOURCE - 0) >= 600) || \ defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE) #if __GNUC_PREREQ__(3, 3) #define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ #else #define FLT_EVAL_METHOD 0 /* evaluate all operations and constants just to the range and precision of the type */ #endif /* GCC >= 3.3 */ #endif /* !defined(_ANSI_SOURCE) && ... */ #define FLT_MANT_DIG 24 /* p */ #define FLT_EPSILON 1.19209290E-7F /* b**(1-p) */ #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ #define FLT_MIN_EXP (-127) /* emin */ #define FLT_MIN 2.93873588E-39F /* b**(emin-1) */ #define FLT_MIN_10_EXP (-38) /* ceil(log10(b**(emin-1))) */ #define FLT_MAX_EXP 127 /* emax */ #define FLT_MAX 1.70141173E+38F /* (1-b**(-p))*b**emax */ #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ #define DBL_MANT_DIG 56 #define DBL_EPSILON 2.77555756156289135E-17 #define DBL_DIG 16 #define DBL_MIN_EXP (-127) #define DBL_MIN 2.938735877055718770E-39 #define DBL_MIN_10_EXP (-38) #define DBL_MAX_EXP 127 #define DBL_MAX 1.701411834604692294E+38 #define DBL_MAX_10_EXP 38 #define LDBL_MANT_DIG DBL_MANT_DIG #define LDBL_EPSILON DBL_EPSILON #define LDBL_DIG DBL_DIG #define LDBL_MIN_EXP DBL_MIN_EXP #define LDBL_MIN DBL_MIN #define LDBL_MIN_10_EXP DBL_MIN_10_EXP #define LDBL_MAX_EXP DBL_MAX_EXP #define LDBL_MAX DBL_MAX #define LDBL_MAX_10_EXP DBL_MAX_10_EXP #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \ !defined(_XOPEN_SOURCE) || \ ((__STDC_VERSION__ - 0) >= 199901L) || \ ((_POSIX_C_SOURCE - 0) >= 200112L) || \ ((_XOPEN_SOURCE - 0) >= 600) || \ defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE) #define DECIMAL_DIG 18 /* ceil((1+p*log10(b))-(b==10) */ #endif #endif /* _VAX_FLOAT_H_ */ |