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1 /*- |
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2 * Copyright (c) 1989 Regents of the University of California. |
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3 * All rights reserved. |
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4 * |
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5 * Redistribution and use in source and binary forms, with or without |
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6 * modification, are permitted provided that the following conditions |
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7 * are met: |
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8 * 1. Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * 2. Redistributions in binary form must reproduce the above copyright |
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11 * notice, this list of conditions and the following disclaimer in the |
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12 * documentation and/or other materials provided with the distribution. |
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13 * 4. Neither the name of the University nor the names of its contributors |
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14 * may be used to endorse or promote products derived from this software |
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15 * without specific prior written permission. |
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16 * |
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17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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27 * SUCH DAMAGE. |
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28 * |
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29 * from: @(#)float.h 7.1 (Berkeley) 5/8/90 |
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30 * $FreeBSD: src/sys/arm/include/float.h,v 1.5 2005/03/20 00:34:24 cognet Exp $ |
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31 */ |
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32 |
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33 #ifndef _MACHINE_FLOAT_H_ |
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34 #define _MACHINE_FLOAT_H_ 1 |
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35 |
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36 #include <sys/cdefs.h> |
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37 |
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38 __BEGIN_DECLS |
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39 extern int __flt_rounds(void); |
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40 __END_DECLS |
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41 |
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42 #define FLT_RADIX 2 /* b */ |
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43 #define FLT_ROUNDS 1 |
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44 #define FLT_EVAL_METHOD (-1) /* XXX */ |
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45 #define DECIMAL_DIG 17 /* max precision in decimal digits */ |
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46 |
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47 #define FLT_MANT_DIG 24 /* p */ |
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48 #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ |
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49 #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ |
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50 #define FLT_MIN_EXP (-125) /* emin */ |
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51 #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ |
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52 #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ |
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53 #define FLT_MAX_EXP 128 /* emax */ |
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54 #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ |
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55 #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ |
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56 |
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57 #define DBL_MANT_DIG 53 |
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58 #define DBL_EPSILON 2.2204460492503131E-16 |
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59 #define DBL_DIG 15 |
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60 #define DBL_MIN_EXP (-1021) |
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61 #define DBL_MIN 2.2250738585072014E-308 |
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62 #define DBL_MIN_10_EXP (-307) |
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63 #define DBL_MAX_EXP 1024 |
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64 #define DBL_MAX 1.7976931348623157E+308 |
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65 #define DBL_MAX_10_EXP 308 |
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66 |
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67 #define LDBL_MANT_DIG DBL_MANT_DIG |
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68 #define LDBL_EPSILON DBL_EPSILON |
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69 #define LDBL_DIG DBL_DIG |
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70 #define LDBL_MIN_EXP DBL_MIN_EXP |
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71 #define LDBL_MIN DBL_MIN |
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72 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP |
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73 #define LDBL_MAX_EXP DBL_MAX_EXP |
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74 #define LDBL_MAX DBL_MAX |
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75 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP |
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76 #endif /* _MACHINE_FLOAT_H_ */ |