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310 lines
9.4 KiB
310 lines
9.4 KiB
// Copyright (c) 2006-7 John Maddock |
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// Use, modification and distribution are subject to the |
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// Boost Software License, Version 1.0. (See accompanying file |
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef BOOST_MATH_TOOLS_CONFIG_HPP |
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#define BOOST_MATH_TOOLS_CONFIG_HPP |
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#ifdef _MSC_VER |
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#pragma once |
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#endif |
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#include <boost/cstdint.hpp> // for boost::uintmax_t |
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#include <boost/config.hpp> |
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#include <boost/detail/workaround.hpp> |
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#include <algorithm> // for min and max |
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#include <boost/config/no_tr1/cmath.hpp> |
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#include <climits> |
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#if (defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)) |
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# include <math.h> |
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#endif |
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#include <boost/math/tools/user.hpp> |
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#include <boost/math/special_functions/detail/round_fwd.hpp> |
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#if (defined(__CYGWIN__) || defined(__FreeBSD__) || defined(__NetBSD__) \ |
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|| (defined(__hppa) && !defined(__OpenBSD__)) || defined(__NO_LONG_DOUBLE_MATH)) && !defined(BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS) |
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# define BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS |
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#endif |
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#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582)) |
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// |
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// Borland post 5.8.2 uses Dinkumware's std C lib which |
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// doesn't have true long double precision. Earlier |
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// versions are problematic too: |
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// |
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# define BOOST_MATH_NO_REAL_CONCEPT_TESTS |
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# define BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS |
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# define BOOST_MATH_CONTROL_FP _control87(MCW_EM,MCW_EM) |
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# include <float.h> |
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#endif |
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#if (defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)) && ((LDBL_MANT_DIG == 106) || (__LDBL_MANT_DIG__ == 106)) && !defined(BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS) |
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// |
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// Darwin's rather strange "double double" is rather hard to |
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// support, it should be possible given enough effort though... |
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// |
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# define BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS |
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#endif |
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#if defined(unix) && defined(__INTEL_COMPILER) && (__INTEL_COMPILER <= 1000) && !defined(BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS) |
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// |
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// Intel compiler prior to version 10 has sporadic problems |
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// calling the long double overloads of the std lib math functions: |
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// calling ::powl is OK, but std::pow(long double, long double) |
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// may segfault depending upon the value of the arguments passed |
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// and the specific Linux distribution. |
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// |
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// We'll be conservative and disable long double support for this compiler. |
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// |
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// Comment out this #define and try building the tests to determine whether |
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// your Intel compiler version has this issue or not. |
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// |
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# define BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS |
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#endif |
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#if defined(unix) && defined(__INTEL_COMPILER) |
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// |
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// Intel compiler has sporadic issues compiling std::fpclassify depending on |
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// the exact OS version used. Use our own code for this as we know it works |
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// well on Intel processors: |
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// |
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#define BOOST_MATH_DISABLE_STD_FPCLASSIFY |
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#endif |
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#if defined(BOOST_MSVC) && !defined(_WIN32_WCE) |
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// Better safe than sorry, our tests don't support hardware exceptions: |
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# define BOOST_MATH_CONTROL_FP _control87(MCW_EM,MCW_EM) |
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#endif |
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#ifdef __IBMCPP__ |
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# define BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS |
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#endif |
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#if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901)) |
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# define BOOST_MATH_USE_C99 |
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#endif |
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#if (defined(__hpux) && !defined(__hppa)) |
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# define BOOST_MATH_USE_C99 |
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#endif |
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#if defined(__GNUC__) && defined(_GLIBCXX_USE_C99) |
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# define BOOST_MATH_USE_C99 |
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#endif |
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#if defined(__CYGWIN__) || defined(__HP_aCC) || defined(BOOST_INTEL) \ |
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|| defined(BOOST_NO_NATIVE_LONG_DOUBLE_FP_CLASSIFY) \ |
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|| (defined(__GNUC__) && !defined(BOOST_MATH_USE_C99)) |
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# define BOOST_MATH_NO_NATIVE_LONG_DOUBLE_FP_CLASSIFY |
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#endif |
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#if defined(BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS) || BOOST_WORKAROUND(__SUNPRO_CC, <= 0x590) |
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# include "boost/type.hpp" |
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# include "boost/non_type.hpp" |
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# define BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(t) boost::type<t>* = 0 |
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# define BOOST_MATH_EXPLICIT_TEMPLATE_TYPE_SPEC(t) boost::type<t>* |
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# define BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE(t, v) boost::non_type<t, v>* = 0 |
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# define BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) boost::non_type<t, v>* |
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# define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_TYPE(t) \ |
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, BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(t) |
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# define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t) \ |
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, BOOST_MATH_EXPLICIT_TEMPLATE_TYPE_SPEC(t) |
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# define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v) \ |
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, BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE(t, v) |
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# define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) \ |
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, BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) |
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#else |
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// no workaround needed: expand to nothing |
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# define BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(t) |
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# define BOOST_MATH_EXPLICIT_TEMPLATE_TYPE_SPEC(t) |
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# define BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE(t, v) |
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# define BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) |
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# define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_TYPE(t) |
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# define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t) |
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# define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v) |
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# define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) |
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#endif // defined BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS |
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#if defined(__SUNPRO_CC) || defined(__hppa) || defined(__GNUC__) |
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// Sun's compiler emits a hard error if a constant underflows, |
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// as does aCC on PA-RISC, while gcc issues a large number of warnings: |
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# define BOOST_MATH_SMALL_CONSTANT(x) 0 |
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#else |
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# define BOOST_MATH_SMALL_CONSTANT(x) x |
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#endif |
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#if BOOST_WORKAROUND(BOOST_MSVC, < 1400) |
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// |
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// Define if constants too large for a float cause "bad" |
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// values to be stored in the data, rather than infinity |
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// or a suitably large value. |
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// |
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# define BOOST_MATH_BUGGY_LARGE_FLOAT_CONSTANTS |
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#endif |
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// |
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// Tune performance options for specific compilers: |
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// |
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#ifdef BOOST_MSVC |
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# define BOOST_MATH_POLY_METHOD 2 |
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#elif defined(BOOST_INTEL) |
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# define BOOST_MATH_POLY_METHOD 2 |
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# define BOOST_MATH_RATIONAL_METHOD 2 |
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#elif defined(__GNUC__) |
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# define BOOST_MATH_POLY_METHOD 3 |
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# define BOOST_MATH_RATIONAL_METHOD 3 |
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# define BOOST_MATH_INT_TABLE_TYPE(RT, IT) RT |
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# define BOOST_MATH_INT_VALUE_SUFFIX(RV, SUF) RV##.0L |
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#endif |
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#if defined(BOOST_NO_LONG_LONG) && !defined(BOOST_MATH_INT_TABLE_TYPE) |
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# define BOOST_MATH_INT_TABLE_TYPE(RT, IT) RT |
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# define BOOST_MATH_INT_VALUE_SUFFIX(RV, SUF) RV##.0L |
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#endif |
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// |
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// The maximum order of polynomial that will be evaluated |
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// via an unrolled specialisation: |
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// |
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#ifndef BOOST_MATH_MAX_POLY_ORDER |
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# define BOOST_MATH_MAX_POLY_ORDER 17 |
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#endif |
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// |
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// Set the method used to evaluate polynomials and rationals: |
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// |
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#ifndef BOOST_MATH_POLY_METHOD |
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# define BOOST_MATH_POLY_METHOD 1 |
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#endif |
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#ifndef BOOST_MATH_RATIONAL_METHOD |
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# define BOOST_MATH_RATIONAL_METHOD 0 |
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#endif |
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// |
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// decide whether to store constants as integers or reals: |
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// |
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#ifndef BOOST_MATH_INT_TABLE_TYPE |
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# define BOOST_MATH_INT_TABLE_TYPE(RT, IT) IT |
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#endif |
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#ifndef BOOST_MATH_INT_VALUE_SUFFIX |
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# define BOOST_MATH_INT_VALUE_SUFFIX(RV, SUF) RV##SUF |
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#endif |
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// |
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// Helper macro for controlling the FP behaviour: |
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// |
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#ifndef BOOST_MATH_CONTROL_FP |
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# define BOOST_MATH_CONTROL_FP |
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#endif |
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// |
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// Helper macro for using statements: |
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// |
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#define BOOST_MATH_STD_USING \ |
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using std::abs;\ |
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using std::acos;\ |
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using std::cos;\ |
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using std::fmod;\ |
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using std::modf;\ |
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using std::tan;\ |
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using std::asin;\ |
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using std::cosh;\ |
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using std::frexp;\ |
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using std::pow;\ |
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using std::tanh;\ |
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using std::atan;\ |
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using std::exp;\ |
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using std::ldexp;\ |
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using std::sin;\ |
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using std::atan2;\ |
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using std::fabs;\ |
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using std::log;\ |
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using std::sinh;\ |
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using std::ceil;\ |
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using std::floor;\ |
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using std::log10;\ |
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using std::sqrt;\ |
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using boost::math::round;\ |
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using boost::math::iround;\ |
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using boost::math::lround;\ |
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using boost::math::trunc;\ |
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using boost::math::itrunc;\ |
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using boost::math::ltrunc;\ |
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using boost::math::modf; |
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namespace boost{ namespace math{ |
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namespace tools |
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{ |
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template <class T> |
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inline T max BOOST_PREVENT_MACRO_SUBSTITUTION(T a, T b, T c) |
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{ |
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return (std::max)((std::max)(a, b), c); |
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} |
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template <class T> |
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inline T max BOOST_PREVENT_MACRO_SUBSTITUTION(T a, T b, T c, T d) |
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{ |
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return (std::max)((std::max)(a, b), (std::max)(c, d)); |
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} |
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} // namespace tools |
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template <class T> |
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void suppress_unused_variable_warning(const T&) |
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{ |
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} |
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}} // namespace boost namespace math |
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#if ((defined(__linux__) && !defined(__UCLIBC__)) || defined(__QNX__) || defined(__IBMCPP__)) && !defined(BOOST_NO_FENV_H) |
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#include <boost/detail/fenv.hpp> |
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namespace boost{ namespace math{ |
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namespace detail |
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{ |
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struct fpu_guard |
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{ |
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fpu_guard() |
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{ |
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fegetexceptflag(&m_flags, FE_ALL_EXCEPT); |
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feclearexcept(FE_ALL_EXCEPT); |
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} |
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~fpu_guard() |
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{ |
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fesetexceptflag(&m_flags, FE_ALL_EXCEPT); |
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} |
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private: |
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fexcept_t m_flags; |
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}; |
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} // namespace detail |
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}} // namespaces |
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# define BOOST_FPU_EXCEPTION_GUARD boost::math::detail::fpu_guard local_guard_object; |
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# define BOOST_MATH_INSTRUMENT_FPU do{ fexcept_t cpu_flags; fegetexceptflag(&cpu_flags, FE_ALL_EXCEPT); BOOST_MATH_INSTRUMENT_VARIABLE(cpu_flags); } while(0); |
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#else // All other platforms. |
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# define BOOST_FPU_EXCEPTION_GUARD |
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# define BOOST_MATH_INSTRUMENT_FPU |
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#endif |
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#ifdef BOOST_MATH_INSTRUMENT |
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#define BOOST_MATH_INSTRUMENT_CODE(x) \ |
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std::cout << std::setprecision(35) << __FILE__ << ":" << __LINE__ << " " << x << std::endl; |
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#define BOOST_MATH_INSTRUMENT_VARIABLE(name) BOOST_MATH_INSTRUMENT_CODE(BOOST_STRINGIZE(name) << " = " << name) |
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#else |
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#define BOOST_MATH_INSTRUMENT_CODE(x) |
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#define BOOST_MATH_INSTRUMENT_VARIABLE(name) |
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#endif |
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#endif // BOOST_MATH_TOOLS_CONFIG_HPP |
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