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/* $FreeBSD: release/9.1.0/sys/ia64/include/float.h 217180 2011-01-09 06:05:02Z das $ */ /* From: NetBSD: float.h,v 1.6 1997/07/17 21:36:03 thorpej Exp */ /*- * Copyright (c) 1989, 1993 * The 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. * 4. 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. */ #ifndef _MACHINE_FLOAT_H_ #define _MACHINE_FLOAT_H_ #include <sys/cdefs.h> __BEGIN_DECLS extern int __flt_rounds(void); __END_DECLS #define FLT_RADIX 2 /* b */ #define FLT_ROUNDS __flt_rounds() #if __ISO_C_VISIBLE >= 1999 #define FLT_EVAL_METHOD 0 /* no promotions */ #define DECIMAL_DIG 21 /* max precision in decimal digits */ #endif #define FLT_MANT_DIG 24 /* p */ #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ #define FLT_MIN_EXP -125 /* emin */ #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ #define FLT_MIN_10_EXP -37 /* ceil(log10(b**(emin-1))) */ #define FLT_MAX_EXP 128 /* emax */ #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ #define DBL_MANT_DIG 53 #define DBL_EPSILON 2.2204460492503131E-16 #define DBL_DIG 15 #define DBL_MIN_EXP -1021 #define DBL_MIN 2.2250738585072014E-308 #define DBL_MIN_10_EXP -307 #define DBL_MAX_EXP 1024 #define DBL_MAX 1.7976931348623157E+308 #define DBL_MAX_10_EXP 308 #define LDBL_MANT_DIG 64 #define LDBL_EPSILON 1.0842021724855044340E-19L #define LDBL_DIG 18 #define LDBL_MIN_EXP (-16381) #define LDBL_MIN 3.3621031431120935063E-4932L #define LDBL_MIN_10_EXP (-4931) #define LDBL_MAX_EXP 16384 #define LDBL_MAX 1.1897314953572317650E+4932L #define LDBL_MAX_10_EXP 4932 #endif /* _MACHINE_FLOAT_H_ */