| | 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. All advertising materials mentioning features or use of this software |
| | 14 | * must display the following acknowledgement: |
| | 15 | * This product includes software developed by the University of |
| | 16 | * California, Berkeley and its contributors. |
| | 17 | * 4. Neither the name of the University nor the names of its contributors |
| | 18 | * may be used to endorse or promote products derived from this software |
| | 19 | * without specific prior written permission. |
| | 20 | * |
| | 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 31 | * SUCH DAMAGE. |
| | 32 | * |
| | 33 | * from: @(#)float.h 7.1 (Berkeley) 5/8/90 |
| | 34 | * $FreeBSD: src/sys/amd64/include/float.h,v 1.10 2003/02/08 20:37:54 mike Exp $ |
| | 35 | * $DragonFly: src/sys/cpu/amd64/include/float.h,v 1.1 2007/08/21 19:40:24 corecode Exp $ |
| | 36 | */ |
| | 37 | |
| | 38 | #ifndef _CPU_FLOAT_H_ |
| | 39 | #define _CPU_FLOAT_H_ |
| | 40 | |
| | 41 | #define FLT_RADIX 2 /* b */ |
| | 42 | #define FLT_ROUNDS 1 /* FP addition rounds to nearest */ |
| | 43 | #define FLT_EVAL_METHOD (-1) /* i387 semantics are...interesting */ |
| | 44 | #define DECIMAL_DIG 21 /* max precision in decimal digits */ |
| | 45 | |
| | 46 | #define FLT_MANT_DIG 24 /* p */ |
| | 47 | #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ |
| | 48 | #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ |
| | 49 | #define FLT_MIN_EXP (-125) /* emin */ |
| | 50 | #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ |
| | 51 | #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ |
| | 52 | #define FLT_MAX_EXP 128 /* emax */ |
| | 53 | #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ |
| | 54 | #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ |
| | 55 | |
| | 56 | #define DBL_MANT_DIG 53 |
| | 57 | #define DBL_EPSILON 2.2204460492503131E-16 |
| | 58 | #define DBL_DIG 15 |
| | 59 | #define DBL_MIN_EXP (-1021) |
| | 60 | #define DBL_MIN 2.2250738585072014E-308 |
| | 61 | #define DBL_MIN_10_EXP (-307) |
| | 62 | #define DBL_MAX_EXP 1024 |
| | 63 | #define DBL_MAX 1.7976931348623157E+308 |
| | 64 | #define DBL_MAX_10_EXP 308 |
| | 65 | |
| | 66 | |
| | 67 | #define LDBL_MANT_DIG 64 |
| | 68 | #define LDBL_EPSILON 1.0842021724855044340E-19L |
| | 69 | #define LDBL_DIG 18 |
| | 70 | #define LDBL_MIN_EXP (-16381) |
| | 71 | #define LDBL_MIN 3.3621031431120935063E-4932L |
| | 72 | #define LDBL_MIN_10_EXP (-4931) |
| | 73 | #define LDBL_MAX_EXP 16384 |
| | 74 | #define LDBL_MAX 1.1897314953572317650E+4932L |
| | 75 | #define LDBL_MAX_10_EXP 4932 |
| | 76 | #endif /* _CPU_FLOAT_H_ */ |
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