/*- * 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. * 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. * * from: @(#)float.h 7.1 (Berkeley) 5/8/90 * $FreeBSD: head/sys/x86/include/float.h 235939 2012-05-24 21:44:46Z obrien $ */ #ifndef _FLOAT_H_ #define _FLOAT_H_ #include __BEGIN_DECLS extern int __flt_rounds(void); __END_DECLS #define FLT_RADIX 2 /* b */ #define FLT_ROUNDS __flt_rounds() #if __ISO_C_VISIBLE >= 1999 #ifdef __LP64__ #define FLT_EVAL_METHOD 0 /* no promotions */ #else #define FLT_EVAL_METHOD (-1) /* i387 semantics are...interesting */ #endif #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)) */ #if __ISO_C_VISIBLE >= 2011 #define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */ #define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */ #define FLT_HAS_SUBNORM 1 #endif /* __ISO_C_VISIBLE >= 2011 */ #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 #if __ISO_C_VISIBLE >= 2011 #define DBL_TRUE_MIN 4.9406564584124654E-324 #define DBL_DECIMAL_DIG 17 #define DBL_HAS_SUBNORM 1 #endif /* __ISO_C_VISIBLE >= 2011 */ #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 #if __ISO_C_VISIBLE >= 2011 #define LDBL_TRUE_MIN 3.6451995318824746025E-4951L #define LDBL_DECIMAL_DIG 21 #define LDBL_HAS_SUBNORM 1 #endif /* __ISO_C_VISIBLE >= 2011 */ #endif /* _FLOAT_H_ */