Daniel Boulby | 318e7a5 | 2022-10-21 20:20:52 +0100 | [diff] [blame^] | 1 | /*- |
| 2 | * Copyright (c) 1989 Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. Neither the name of the University nor the names of its contributors |
| 14 | * may be used to endorse or promote products derived from this software |
| 15 | * without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | * |
| 29 | * from: @(#)float.h 7.1 (Berkeley) 5/8/90 |
| 30 | * $FreeBSD$ |
| 31 | */ |
| 32 | |
| 33 | #ifndef _MACHINE_FLOAT_H_ |
| 34 | #define _MACHINE_FLOAT_H_ |
| 35 | |
| 36 | #include <sys/cdefs.h> |
| 37 | |
| 38 | __BEGIN_DECLS |
| 39 | extern int __flt_rounds(void); |
| 40 | __END_DECLS |
| 41 | |
| 42 | #define FLT_RADIX 2 /* b */ |
| 43 | #define FLT_ROUNDS __flt_rounds() |
| 44 | #if __ISO_C_VISIBLE >= 1999 |
| 45 | #define FLT_EVAL_METHOD 0 |
| 46 | #define DECIMAL_DIG 17 /* max precision in decimal digits */ |
| 47 | #endif |
| 48 | |
| 49 | #define FLT_MANT_DIG 24 /* p */ |
| 50 | #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ |
| 51 | #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ |
| 52 | #define FLT_MIN_EXP (-125) /* emin */ |
| 53 | #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ |
| 54 | #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ |
| 55 | #define FLT_MAX_EXP 128 /* emax */ |
| 56 | #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ |
| 57 | #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ |
| 58 | #if __ISO_C_VISIBLE >= 2011 |
| 59 | #define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */ |
| 60 | #define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */ |
| 61 | #define FLT_HAS_SUBNORM 1 |
| 62 | #endif /* __ISO_C_VISIBLE >= 2011 */ |
| 63 | |
| 64 | #define DBL_MANT_DIG 53 |
| 65 | #define DBL_EPSILON 2.2204460492503131E-16 |
| 66 | #define DBL_DIG 15 |
| 67 | #define DBL_MIN_EXP (-1021) |
| 68 | #define DBL_MIN 2.2250738585072014E-308 |
| 69 | #define DBL_MIN_10_EXP (-307) |
| 70 | #define DBL_MAX_EXP 1024 |
| 71 | #define DBL_MAX 1.7976931348623157E+308 |
| 72 | #define DBL_MAX_10_EXP 308 |
| 73 | #if __ISO_C_VISIBLE >= 2011 |
| 74 | #define DBL_TRUE_MIN 4.9406564584124654E-324 |
| 75 | #define DBL_DECIMAL_DIG 17 |
| 76 | #define DBL_HAS_SUBNORM 1 |
| 77 | #endif /* __ISO_C_VISIBLE >= 2011 */ |
| 78 | |
| 79 | #define LDBL_MANT_DIG 113 |
| 80 | #define LDBL_EPSILON 1.925929944387235853055977942584927319E-34L |
| 81 | #define LDBL_DIG 33 |
| 82 | #define LDBL_MIN_EXP (-16381) |
| 83 | #define LDBL_MIN 3.362103143112093506262677817321752603E-4932L |
| 84 | #define LDBL_MIN_10_EXP (-4931) |
| 85 | #define LDBL_MAX_EXP (+16384) |
| 86 | #define LDBL_MAX 1.189731495357231765085759326628007016E+4932L |
| 87 | #define LDBL_MAX_10_EXP (+4932) |
| 88 | #if __ISO_C_VISIBLE >= 2011 |
| 89 | #define LDBL_TRUE_MIN 6.475175119438025110924438958227646552E-4966L |
| 90 | #define LDBL_DECIMAL_DIG 36 |
| 91 | #define LDBL_HAS_SUBNORM 1 |
| 92 | #endif /* __ISO_C_VISIBLE >= 2011 */ |
| 93 | |
| 94 | #endif /* _MACHINE_FLOAT_H_ */ |