| 1 | /* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
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| 2 | |
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| 3 | /* |
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| 4 | Copyright (C) 2010 StatPro Italia srl |
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| 5 | |
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| 6 | This file is part of QuantLib, a free-software/open-source library |
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| 7 | for financial quantitative analysts and developers - http://quantlib.org/ |
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| 8 | |
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| 9 | QuantLib is free software: you can redistribute it and/or modify it |
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| 10 | under the terms of the QuantLib license. You should have received a |
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| 11 | copy of the license along with this program; if not, please email |
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| 12 | <quantlib-dev@lists.sf.net>. The license is also available online at |
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| 13 | <http://quantlib.org/license.shtml>. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 17 | FOR A PARTICULAR PURPOSE. See the license for more details. |
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| 18 | */ |
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| 19 | |
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| 20 | #ifndef quantlib_math_constants_hpp |
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| 21 | #define quantlib_math_constants_hpp |
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| 22 | |
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| 23 | #include <cmath> |
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| 24 | |
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| 25 | #ifndef M_E |
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| 26 | #define M_E 2.71828182845904523536 |
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| 27 | #endif |
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| 28 | |
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| 29 | #ifndef M_LOG2E |
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| 30 | #define M_LOG2E 1.44269504088896340736 |
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| 31 | #endif |
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| 32 | |
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| 33 | #ifndef M_LOG10E |
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| 34 | #define M_LOG10E 0.434294481903251827651 |
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| 35 | #endif |
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| 36 | |
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| 37 | #ifndef M_IVLN10 |
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| 38 | #define M_IVLN10 0.434294481903251827651 |
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| 39 | #endif |
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| 40 | |
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| 41 | #ifndef M_LN2 |
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| 42 | #define M_LN2 0.693147180559945309417 |
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| 43 | #endif |
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| 44 | |
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| 45 | #ifndef M_LOG2_E |
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| 46 | #define M_LOG2_E 0.693147180559945309417 |
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| 47 | #endif |
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| 48 | |
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| 49 | #ifndef M_LN10 |
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| 50 | #define M_LN10 2.30258509299404568402 |
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| 51 | #endif |
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| 52 | |
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| 53 | #ifndef M_PI |
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| 54 | # define M_PI 3.141592653589793238462643383280 |
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| 55 | #endif |
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| 56 | |
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| 57 | #ifndef M_TWOPI |
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| 58 | #define M_TWOPI (M_PI * 2.0) |
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| 59 | #endif |
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| 60 | |
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| 61 | #ifndef M_PI_2 |
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| 62 | #define M_PI_2 1.57079632679489661923 |
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| 63 | #endif |
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| 64 | |
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| 65 | #ifndef M_PI_4 |
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| 66 | #define M_PI_4 0.785398163397448309616 |
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| 67 | #endif |
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| 68 | |
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| 69 | #ifndef M_3PI_4 |
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| 70 | #define M_3PI_4 2.3561944901923448370E0 |
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| 71 | #endif |
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| 72 | |
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| 73 | #ifndef M_SQRTPI |
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| 74 | #define M_SQRTPI 1.77245385090551602792981 |
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| 75 | #endif |
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| 76 | |
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| 77 | #ifndef M_1_PI |
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| 78 | #define M_1_PI 0.318309886183790671538 |
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| 79 | #endif |
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| 80 | |
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| 81 | #ifndef M_2_PI |
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| 82 | #define M_2_PI 0.636619772367581343076 |
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| 83 | #endif |
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| 84 | |
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| 85 | #ifndef M_1_SQRTPI |
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| 86 | #define M_1_SQRTPI 0.564189583547756286948 |
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| 87 | #endif |
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| 88 | |
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| 89 | #ifndef M_2_SQRTPI |
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| 90 | #define M_2_SQRTPI 1.12837916709551257390 |
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| 91 | #endif |
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| 92 | |
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| 93 | #ifndef M_SQRT2 |
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| 94 | #define M_SQRT2 1.41421356237309504880 |
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| 95 | #endif |
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| 96 | |
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| 97 | #ifndef M_SQRT_2 |
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| 98 | #define M_SQRT_2 0.7071067811865475244008443621048490392848359376887 |
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| 99 | #endif |
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| 100 | |
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| 101 | #ifndef M_SQRT1_2 |
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| 102 | #define M_SQRT1_2 0.7071067811865475244008443621048490392848359376887 |
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| 103 | #endif |
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| 104 | |
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| 105 | #ifndef M_LN2LO |
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| 106 | #define M_LN2LO 1.9082149292705877000E-10 |
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| 107 | #endif |
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| 108 | |
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| 109 | #ifndef M_LN2HI |
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| 110 | #define M_LN2HI 6.9314718036912381649E-1 |
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| 111 | #endif |
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| 112 | |
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| 113 | #ifndef M_SQRT3 |
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| 114 | #define M_SQRT3 1.73205080756887719000 |
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| 115 | #endif |
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| 116 | |
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| 117 | #ifndef M_INVLN2 |
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| 118 | #define M_INVLN2 1.4426950408889633870E0 |
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| 119 | #endif |
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| 120 | |
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| 121 | /* This should ensure that no macro are redefined if we happen to |
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| 122 | include <math.h> again, whether or not we're using our macros |
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| 123 | or theirs. We can't know in advance, since it depends on the |
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| 124 | order of inclusion of headers in client code. */ |
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| 125 | #ifdef _MSC_VER |
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| 126 | #undef _USE_MATH_DEFINES |
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| 127 | #endif |
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| 128 | |
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| 129 | #endif |
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| 130 | |
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| 131 | |
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