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- ///////////////////////////////////////////////////////////////////////////////
- // Copyright Christopher Kormanyos 2014.
- // Copyright John Maddock 2014.
- // Copyright Paul Bristow 2014.
- // Distributed under the Boost Software License,
- // Version 1.0. (See accompanying file LICENSE_1_0.txt
- // or copy at http://www.boost.org/LICENSE_1_0.txt)
- //
- // Implement quadruple-precision <cmath> support.
- #ifndef BOOST_MATH_CSTDFLOAT_CMATH_2014_02_15_HPP_
- #define BOOST_MATH_CSTDFLOAT_CMATH_2014_02_15_HPP_
- #include <boost/math/cstdfloat/cstdfloat_types.hpp>
- #include <boost/math/cstdfloat/cstdfloat_limits.hpp>
- #if defined(BOOST_CSTDFLOAT_HAS_INTERNAL_FLOAT128_T) && defined(BOOST_MATH_USE_FLOAT128) && !defined(BOOST_CSTDFLOAT_NO_LIBQUADMATH_SUPPORT)
- #include <cmath>
- #include <stdexcept>
- #include <iostream>
- #include <boost/cstdint.hpp>
- #include <boost/static_assert.hpp>
- #include <boost/throw_exception.hpp>
- #include <boost/core/enable_if.hpp>
- #include <boost/type_traits/is_same.hpp>
- #include <boost/type_traits/is_convertible.hpp>
- #include <boost/scoped_array.hpp>
- #if defined(_WIN32) && defined(__GNUC__)
- // Several versions of Mingw and probably cygwin too have broken
- // libquadmath implementations that segfault as soon as you call
- // expq or any function that depends on it.
- #define BOOST_CSTDFLOAT_BROKEN_FLOAT128_MATH_FUNCTIONS
- #endif
- // Here is a helper function used for raising the value of a given
- // floating-point type to the power of n, where n has integral type.
- namespace boost {
- namespace math {
- namespace cstdfloat {
- namespace detail {
- template<class float_type, class integer_type>
- inline float_type pown(const float_type& x, const integer_type p)
- {
- const bool isneg = (x < 0);
- const bool isnan = (x != x);
- const bool isinf = ((!isneg) ? bool(+x > (std::numeric_limits<float_type>::max)())
- : bool(-x > (std::numeric_limits<float_type>::max)()));
- if (isnan) { return x; }
- if (isinf) { return std::numeric_limits<float_type>::quiet_NaN(); }
- const bool x_is_neg = (x < 0);
- const float_type abs_x = (x_is_neg ? -x : x);
- if (p < static_cast<integer_type>(0))
- {
- if (abs_x < (std::numeric_limits<float_type>::min)())
- {
- return (x_is_neg ? -std::numeric_limits<float_type>::infinity()
- : +std::numeric_limits<float_type>::infinity());
- }
- else
- {
- return float_type(1) / pown(x, static_cast<integer_type>(-p));
- }
- }
- if (p == static_cast<integer_type>(0))
- {
- return float_type(1);
- }
- else
- {
- if (p == static_cast<integer_type>(1)) { return x; }
- if (abs_x > (std::numeric_limits<float_type>::max)())
- {
- return (x_is_neg ? -std::numeric_limits<float_type>::infinity()
- : +std::numeric_limits<float_type>::infinity());
- }
- if (p == static_cast<integer_type>(2)) { return (x * x); }
- else if (p == static_cast<integer_type>(3)) { return ((x * x) * x); }
- else if (p == static_cast<integer_type>(4)) { const float_type x2 = (x * x); return (x2 * x2); }
- else
- {
- // The variable xn stores the binary powers of x.
- float_type result(((p % integer_type(2)) != integer_type(0)) ? x : float_type(1));
- float_type xn(x);
- integer_type p2 = p;
- while (integer_type(p2 /= 2) != integer_type(0))
- {
- // Square xn for each binary power.
- xn *= xn;
- const bool has_binary_power = (integer_type(p2 % integer_type(2)) != integer_type(0));
- if (has_binary_power)
- {
- // Multiply the result with each binary power contained in the exponent.
- result *= xn;
- }
- }
- return result;
- }
- }
- }
- }
- }
- }
- } // boost::math::cstdfloat::detail
- // We will now define preprocessor symbols representing quadruple-precision <cmath> functions.
- #if defined(BOOST_INTEL)
- #define BOOST_CSTDFLOAT_FLOAT128_LDEXP __ldexpq
- #define BOOST_CSTDFLOAT_FLOAT128_FREXP __frexpq
- #define BOOST_CSTDFLOAT_FLOAT128_FABS __fabsq
- #define BOOST_CSTDFLOAT_FLOAT128_FLOOR __floorq
- #define BOOST_CSTDFLOAT_FLOAT128_CEIL __ceilq
- #if !defined(BOOST_CSTDFLOAT_FLOAT128_SQRT)
- #define BOOST_CSTDFLOAT_FLOAT128_SQRT __sqrtq
- #endif
- #define BOOST_CSTDFLOAT_FLOAT128_TRUNC __truncq
- #define BOOST_CSTDFLOAT_FLOAT128_EXP __expq
- #define BOOST_CSTDFLOAT_FLOAT128_EXPM1 __expm1q
- #define BOOST_CSTDFLOAT_FLOAT128_POW __powq
- #define BOOST_CSTDFLOAT_FLOAT128_LOG __logq
- #define BOOST_CSTDFLOAT_FLOAT128_LOG10 __log10q
- #define BOOST_CSTDFLOAT_FLOAT128_SIN __sinq
- #define BOOST_CSTDFLOAT_FLOAT128_COS __cosq
- #define BOOST_CSTDFLOAT_FLOAT128_TAN __tanq
- #define BOOST_CSTDFLOAT_FLOAT128_ASIN __asinq
- #define BOOST_CSTDFLOAT_FLOAT128_ACOS __acosq
- #define BOOST_CSTDFLOAT_FLOAT128_ATAN __atanq
- #define BOOST_CSTDFLOAT_FLOAT128_SINH __sinhq
- #define BOOST_CSTDFLOAT_FLOAT128_COSH __coshq
- #define BOOST_CSTDFLOAT_FLOAT128_TANH __tanhq
- #define BOOST_CSTDFLOAT_FLOAT128_ASINH __asinhq
- #define BOOST_CSTDFLOAT_FLOAT128_ACOSH __acoshq
- #define BOOST_CSTDFLOAT_FLOAT128_ATANH __atanhq
- #define BOOST_CSTDFLOAT_FLOAT128_FMOD __fmodq
- #define BOOST_CSTDFLOAT_FLOAT128_ATAN2 __atan2q
- #define BOOST_CSTDFLOAT_FLOAT128_LGAMMA __lgammaq
- #define BOOST_CSTDFLOAT_FLOAT128_TGAMMA __tgammaq
- // begin more functions
- #define BOOST_CSTDFLOAT_FLOAT128_REMAINDER __remainderq
- #define BOOST_CSTDFLOAT_FLOAT128_REMQUO __remquoq
- #define BOOST_CSTDFLOAT_FLOAT128_FMA __fmaq
- #define BOOST_CSTDFLOAT_FLOAT128_FMAX __fmaxq
- #define BOOST_CSTDFLOAT_FLOAT128_FMIN __fminq
- #define BOOST_CSTDFLOAT_FLOAT128_FDIM __fdimq
- #define BOOST_CSTDFLOAT_FLOAT128_NAN __nanq
- //#define BOOST_CSTDFLOAT_FLOAT128_EXP2 __exp2q
- #define BOOST_CSTDFLOAT_FLOAT128_LOG2 __log2q
- #define BOOST_CSTDFLOAT_FLOAT128_LOG1P __log1pq
- #define BOOST_CSTDFLOAT_FLOAT128_CBRT __cbrtq
- #define BOOST_CSTDFLOAT_FLOAT128_HYPOT __hypotq
- #define BOOST_CSTDFLOAT_FLOAT128_ERF __erfq
- #define BOOST_CSTDFLOAT_FLOAT128_ERFC __erfcq
- #define BOOST_CSTDFLOAT_FLOAT128_LLROUND __llroundq
- #define BOOST_CSTDFLOAT_FLOAT128_LROUND __lroundq
- #define BOOST_CSTDFLOAT_FLOAT128_ROUND __roundq
- #define BOOST_CSTDFLOAT_FLOAT128_NEARBYINT __nearbyintq
- #define BOOST_CSTDFLOAT_FLOAT128_LLRINT __llrintq
- #define BOOST_CSTDFLOAT_FLOAT128_LRINT __lrintq
- #define BOOST_CSTDFLOAT_FLOAT128_RINT __rintq
- #define BOOST_CSTDFLOAT_FLOAT128_MODF __modfq
- #define BOOST_CSTDFLOAT_FLOAT128_SCALBLN __scalblnq
- #define BOOST_CSTDFLOAT_FLOAT128_SCALBN __scalbnq
- #define BOOST_CSTDFLOAT_FLOAT128_ILOGB __ilogbq
- #define BOOST_CSTDFLOAT_FLOAT128_LOGB __logbq
- #define BOOST_CSTDFLOAT_FLOAT128_NEXTAFTER __nextafterq
- //#define BOOST_CSTDFLOAT_FLOAT128_NEXTTOWARD __nexttowardq
- #define BOOST_CSTDFLOAT_FLOAT128_COPYSIGN __copysignq
- #define BOOST_CSTDFLOAT_FLOAT128_SIGNBIT __signbitq
- //#define BOOST_CSTDFLOAT_FLOAT128_FPCLASSIFY __fpclassifyq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISFINITE __isfiniteq
- #define BOOST_CSTDFLOAT_FLOAT128_ISINF __isinfq
- #define BOOST_CSTDFLOAT_FLOAT128_ISNAN __isnanq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISNORMAL __isnormalq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISGREATER __isgreaterq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISGREATEREQUAL __isgreaterequalq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISLESS __islessq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISLESSEQUAL __islessequalq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISLESSGREATER __islessgreaterq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISUNORDERED __isunorderedq
- // end more functions
- #elif defined(__GNUC__)
- #define BOOST_CSTDFLOAT_FLOAT128_LDEXP ldexpq
- #define BOOST_CSTDFLOAT_FLOAT128_FREXP frexpq
- #define BOOST_CSTDFLOAT_FLOAT128_FABS fabsq
- #define BOOST_CSTDFLOAT_FLOAT128_FLOOR floorq
- #define BOOST_CSTDFLOAT_FLOAT128_CEIL ceilq
- #if !defined(BOOST_CSTDFLOAT_FLOAT128_SQRT)
- #define BOOST_CSTDFLOAT_FLOAT128_SQRT sqrtq
- #endif
- #define BOOST_CSTDFLOAT_FLOAT128_TRUNC truncq
- #define BOOST_CSTDFLOAT_FLOAT128_POW powq
- #define BOOST_CSTDFLOAT_FLOAT128_LOG logq
- #define BOOST_CSTDFLOAT_FLOAT128_LOG10 log10q
- #define BOOST_CSTDFLOAT_FLOAT128_SIN sinq
- #define BOOST_CSTDFLOAT_FLOAT128_COS cosq
- #define BOOST_CSTDFLOAT_FLOAT128_TAN tanq
- #define BOOST_CSTDFLOAT_FLOAT128_ASIN asinq
- #define BOOST_CSTDFLOAT_FLOAT128_ACOS acosq
- #define BOOST_CSTDFLOAT_FLOAT128_ATAN atanq
- #define BOOST_CSTDFLOAT_FLOAT128_FMOD fmodq
- #define BOOST_CSTDFLOAT_FLOAT128_ATAN2 atan2q
- #define BOOST_CSTDFLOAT_FLOAT128_LGAMMA lgammaq
- #if !defined(BOOST_CSTDFLOAT_BROKEN_FLOAT128_MATH_FUNCTIONS)
- #define BOOST_CSTDFLOAT_FLOAT128_EXP expq
- #define BOOST_CSTDFLOAT_FLOAT128_EXPM1 expm1q
- #define BOOST_CSTDFLOAT_FLOAT128_SINH sinhq
- #define BOOST_CSTDFLOAT_FLOAT128_COSH coshq
- #define BOOST_CSTDFLOAT_FLOAT128_TANH tanhq
- #define BOOST_CSTDFLOAT_FLOAT128_ASINH asinhq
- #define BOOST_CSTDFLOAT_FLOAT128_ACOSH acoshq
- #define BOOST_CSTDFLOAT_FLOAT128_ATANH atanhq
- #define BOOST_CSTDFLOAT_FLOAT128_TGAMMA tgammaq
- #else // BOOST_CSTDFLOAT_BROKEN_FLOAT128_MATH_FUNCTIONS
- #define BOOST_CSTDFLOAT_FLOAT128_EXP expq_patch
- #define BOOST_CSTDFLOAT_FLOAT128_SINH sinhq_patch
- #define BOOST_CSTDFLOAT_FLOAT128_COSH coshq_patch
- #define BOOST_CSTDFLOAT_FLOAT128_TANH tanhq_patch
- #define BOOST_CSTDFLOAT_FLOAT128_ASINH asinhq_patch
- #define BOOST_CSTDFLOAT_FLOAT128_ACOSH acoshq_patch
- #define BOOST_CSTDFLOAT_FLOAT128_ATANH atanhq_patch
- #define BOOST_CSTDFLOAT_FLOAT128_TGAMMA tgammaq_patch
- #endif // BOOST_CSTDFLOAT_BROKEN_FLOAT128_MATH_FUNCTIONS
- // begin more functions
- #define BOOST_CSTDFLOAT_FLOAT128_REMAINDER remainderq
- #define BOOST_CSTDFLOAT_FLOAT128_REMQUO remquoq
- #define BOOST_CSTDFLOAT_FLOAT128_FMA fmaq
- #define BOOST_CSTDFLOAT_FLOAT128_FMAX fmaxq
- #define BOOST_CSTDFLOAT_FLOAT128_FMIN fminq
- #define BOOST_CSTDFLOAT_FLOAT128_FDIM fdimq
- #define BOOST_CSTDFLOAT_FLOAT128_NAN nanq
- //#define BOOST_CSTDFLOAT_FLOAT128_EXP2 exp2q
- #define BOOST_CSTDFLOAT_FLOAT128_LOG2 log2q
- #define BOOST_CSTDFLOAT_FLOAT128_LOG1P log1pq
- #define BOOST_CSTDFLOAT_FLOAT128_CBRT cbrtq
- #define BOOST_CSTDFLOAT_FLOAT128_HYPOT hypotq
- #define BOOST_CSTDFLOAT_FLOAT128_ERF erfq
- #define BOOST_CSTDFLOAT_FLOAT128_ERFC erfcq
- #define BOOST_CSTDFLOAT_FLOAT128_LLROUND llroundq
- #define BOOST_CSTDFLOAT_FLOAT128_LROUND lroundq
- #define BOOST_CSTDFLOAT_FLOAT128_ROUND roundq
- #define BOOST_CSTDFLOAT_FLOAT128_NEARBYINT nearbyintq
- #define BOOST_CSTDFLOAT_FLOAT128_LLRINT llrintq
- #define BOOST_CSTDFLOAT_FLOAT128_LRINT lrintq
- #define BOOST_CSTDFLOAT_FLOAT128_RINT rintq
- #define BOOST_CSTDFLOAT_FLOAT128_MODF modfq
- #define BOOST_CSTDFLOAT_FLOAT128_SCALBLN scalblnq
- #define BOOST_CSTDFLOAT_FLOAT128_SCALBN scalbnq
- #define BOOST_CSTDFLOAT_FLOAT128_ILOGB ilogbq
- #define BOOST_CSTDFLOAT_FLOAT128_LOGB logbq
- #define BOOST_CSTDFLOAT_FLOAT128_NEXTAFTER nextafterq
- //#define BOOST_CSTDFLOAT_FLOAT128_NEXTTOWARD nexttowardq
- #define BOOST_CSTDFLOAT_FLOAT128_COPYSIGN copysignq
- #define BOOST_CSTDFLOAT_FLOAT128_SIGNBIT signbitq
- //#define BOOST_CSTDFLOAT_FLOAT128_FPCLASSIFY fpclassifyq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISFINITE isfiniteq
- #define BOOST_CSTDFLOAT_FLOAT128_ISINF isinfq
- #define BOOST_CSTDFLOAT_FLOAT128_ISNAN isnanq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISNORMAL isnormalq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISGREATER isgreaterq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISGREATEREQUAL isgreaterequalq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISLESS islessq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISLESSEQUAL islessequalq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISLESSGREATER islessgreaterq
- //#define BOOST_CSTDFLOAT_FLOAT128_ISUNORDERED isunorderedq
- // end more functions
- #endif
- // Implement quadruple-precision <cmath> functions in the namespace
- // boost::math::cstdfloat::detail. Subsequently inject these into the
- // std namespace via *using* directive.
- // Begin with some forward function declarations. Also implement patches
- // for compilers that have broken float128 exponential functions.
- extern "C" int quadmath_snprintf(char*, std::size_t, const char*, ...) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_LDEXP(boost::math::cstdfloat::detail::float_internal128_t, int) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_FREXP(boost::math::cstdfloat::detail::float_internal128_t, int*) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_FABS(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_FLOOR(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_CEIL(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_SQRT(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_TRUNC(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_POW(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_LOG(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_LOG10(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_SIN(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_COS(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_TAN(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ASIN(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ACOS(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ATAN(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_FMOD(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ATAN2(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_LGAMMA(boost::math::cstdfloat::detail::float_internal128_t) throw();
- // begin more functions
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_REMAINDER(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_REMQUO(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t, int*) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_FMA(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_FMAX(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_FMIN(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_FDIM(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_NAN(const char*) throw();
- //extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_EXP2 (boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_LOG2(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_LOG1P(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_CBRT(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_HYPOT(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ERF(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ERFC(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" long long int BOOST_CSTDFLOAT_FLOAT128_LLROUND(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" long int BOOST_CSTDFLOAT_FLOAT128_LROUND(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ROUND(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_NEARBYINT(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" long long int BOOST_CSTDFLOAT_FLOAT128_LLRINT(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" long int BOOST_CSTDFLOAT_FLOAT128_LRINT(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_RINT(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_MODF(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t*) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_SCALBLN(boost::math::cstdfloat::detail::float_internal128_t, long int) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_SCALBN(boost::math::cstdfloat::detail::float_internal128_t, int) throw();
- extern "C" int BOOST_CSTDFLOAT_FLOAT128_ILOGB(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_LOGB(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_NEXTAFTER(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- //extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_NEXTTOWARD (boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_COPYSIGN(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" int BOOST_CSTDFLOAT_FLOAT128_SIGNBIT(boost::math::cstdfloat::detail::float_internal128_t) throw();
- //extern "C" int BOOST_CSTDFLOAT_FLOAT128_FPCLASSIFY (boost::math::cstdfloat::detail::float_internal128_t) throw();
- //extern "C" int BOOST_CSTDFLOAT_FLOAT128_ISFINITE (boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" int BOOST_CSTDFLOAT_FLOAT128_ISINF(boost::math::cstdfloat::detail::float_internal128_t) throw();
- extern "C" int BOOST_CSTDFLOAT_FLOAT128_ISNAN(boost::math::cstdfloat::detail::float_internal128_t) throw();
- //extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ISNORMAL (boost::math::cstdfloat::detail::float_internal128_t) throw();
- //extern "C" int BOOST_CSTDFLOAT_FLOAT128_ISGREATER (boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- //extern "C" int BOOST_CSTDFLOAT_FLOAT128_ISGREATEREQUAL(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- //extern "C" int BOOST_CSTDFLOAT_FLOAT128_ISLESS (boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- //extern "C" int BOOST_CSTDFLOAT_FLOAT128_ISLESSEQUAL (boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- //extern "C" int BOOST_CSTDFLOAT_FLOAT128_ISLESSGREATER(boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- //extern "C" int BOOST_CSTDFLOAT_FLOAT128_ISUNORDERED (boost::math::cstdfloat::detail::float_internal128_t, boost::math::cstdfloat::detail::float_internal128_t) throw();
- // end more functions
- #if !defined(BOOST_CSTDFLOAT_BROKEN_FLOAT128_MATH_FUNCTIONS)
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_EXP(boost::math::cstdfloat::detail::float_internal128_t x) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_EXPM1(boost::math::cstdfloat::detail::float_internal128_t x) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_SINH(boost::math::cstdfloat::detail::float_internal128_t x) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_COSH(boost::math::cstdfloat::detail::float_internal128_t x) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_TANH(boost::math::cstdfloat::detail::float_internal128_t x) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ASINH(boost::math::cstdfloat::detail::float_internal128_t x) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ACOSH(boost::math::cstdfloat::detail::float_internal128_t x) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ATANH(boost::math::cstdfloat::detail::float_internal128_t x) throw();
- extern "C" boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_TGAMMA(boost::math::cstdfloat::detail::float_internal128_t x) throw();
-
- #else // BOOST_CSTDFLOAT_BROKEN_FLOAT128_MATH_FUNCTIONS
- // Forward declaration of the patched exponent function, exp(x).
- inline boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_EXP(boost::math::cstdfloat::detail::float_internal128_t x);
- inline boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_EXPM1(boost::math::cstdfloat::detail::float_internal128_t x)
- {
- // Compute exp(x) - 1 for x small.
- // Use an order-36 polynomial approximation of the exponential function
- // in the range of (-ln2 < x < ln2). Scale the argument to this range
- // and subsequently multiply the result by 2^n accordingly.
- // Derive the polynomial coefficients with Mathematica(R) by generating
- // a table of high-precision values of exp(x) in the range (-ln2 < x < ln2)
- // and subsequently applying the built-in *Fit* function.
- // Table[{x, Exp[x] - 1}, {x, -Log[2], Log[2], 1/180}]
- // N[%, 120]
- // Fit[%, {x, x^2, x^3, x^4, x^5, x^6, x^7, x^8, x^9, x^10, x^11, x^12,
- // x^13, x^14, x^15, x^16, x^17, x^18, x^19, x^20, x^21, x^22,
- // x^23, x^24, x^25, x^26, x^27, x^28, x^29, x^30, x^31, x^32,
- // x^33, x^34, x^35, x^36}, x]
- typedef boost::math::cstdfloat::detail::float_internal128_t float_type;
- float_type sum;
- if (x > BOOST_FLOAT128_C(0.693147180559945309417232121458176568075500134360255))
- {
- sum = ::BOOST_CSTDFLOAT_FLOAT128_EXP(x) - float_type(1);
- }
- else
- {
- // Compute the polynomial approximation of exp(alpha).
- sum = ((((((((((((((((((((((((((((((((((((float_type(BOOST_FLOAT128_C(2.69291698127774166063293705964720493864630783729857438187365E-42)) * x
- + float_type(BOOST_FLOAT128_C(9.70937085471487654794114679403710456028986572118859594614033E-41))) * x
- + float_type(BOOST_FLOAT128_C(3.38715585158055097155585505318085512156885389014410753080500E-39))) * x
- + float_type(BOOST_FLOAT128_C(1.15162718532861050809222658798662695267019717760563645440433E-37))) * x
- + float_type(BOOST_FLOAT128_C(3.80039074689434663295873584133017767349635602413675471702393E-36))) * x
- + float_type(BOOST_FLOAT128_C(1.21612504934087520075905434734158045947460467096773246215239E-34))) * x
- + float_type(BOOST_FLOAT128_C(3.76998762883139753126119821241037824830069851253295480396224E-33))) * x
- + float_type(BOOST_FLOAT128_C(1.13099628863830344684998293828608215735777107850991029729440E-31))) * x
- + float_type(BOOST_FLOAT128_C(3.27988923706982293204067897468714277771890104022419696770352E-30))) * x
- + float_type(BOOST_FLOAT128_C(9.18368986379558482800593745627556950089950023355628325088207E-29))) * x
- + float_type(BOOST_FLOAT128_C(2.47959626322479746949155352659617642905315302382639380521497E-27))) * x
- + float_type(BOOST_FLOAT128_C(6.44695028438447337900255966737803112935639344283098705091949E-26))) * x
- + float_type(BOOST_FLOAT128_C(1.61173757109611834904452725462599961406036904573072897122957E-24))) * x
- + float_type(BOOST_FLOAT128_C(3.86817017063068403772269360016918092488847584660382953555804E-23))) * x
- + float_type(BOOST_FLOAT128_C(8.89679139245057328674891109315654704307721758924206107351744E-22))) * x
- + float_type(BOOST_FLOAT128_C(1.95729410633912612308475595397946731738088422488032228717097E-20))) * x
- + float_type(BOOST_FLOAT128_C(4.11031762331216485847799061511674191805055663711439605760231E-19))) * x
- + float_type(BOOST_FLOAT128_C(8.22063524662432971695598123977873600603370758794431071426640E-18))) * x
- + float_type(BOOST_FLOAT128_C(1.56192069685862264622163643500633782667263448653185159383285E-16))) * x
- + float_type(BOOST_FLOAT128_C(2.81145725434552076319894558300988749849555291507956994126835E-15))) * x
- + float_type(BOOST_FLOAT128_C(4.77947733238738529743820749111754320727153728139716409114011E-14))) * x
- + float_type(BOOST_FLOAT128_C(7.64716373181981647590113198578807092707697416852226691068627E-13))) * x
- + float_type(BOOST_FLOAT128_C(1.14707455977297247138516979786821056670509688396295740818677E-11))) * x
- + float_type(BOOST_FLOAT128_C(1.60590438368216145993923771701549479323291461578567184216302E-10))) * x
- + float_type(BOOST_FLOAT128_C(2.08767569878680989792100903212014323125428376052986408239620E-09))) * x
- + float_type(BOOST_FLOAT128_C(2.50521083854417187750521083854417187750523408006206780016659E-08))) * x
- + float_type(BOOST_FLOAT128_C(2.75573192239858906525573192239858906525573195144226062684604E-07))) * x
- + float_type(BOOST_FLOAT128_C(2.75573192239858906525573192239858906525573191310049321957902E-06))) * x
- + float_type(BOOST_FLOAT128_C(0.00002480158730158730158730158730158730158730158730149317774))) * x
- + float_type(BOOST_FLOAT128_C(0.00019841269841269841269841269841269841269841269841293575920))) * x
- + float_type(BOOST_FLOAT128_C(0.00138888888888888888888888888888888888888888888888889071045))) * x
- + float_type(BOOST_FLOAT128_C(0.00833333333333333333333333333333333333333333333333332986595))) * x
- + float_type(BOOST_FLOAT128_C(0.04166666666666666666666666666666666666666666666666666664876))) * x
- + float_type(BOOST_FLOAT128_C(0.16666666666666666666666666666666666666666666666666666669048))) * x
- + float_type(BOOST_FLOAT128_C(0.50000000000000000000000000000000000000000000000000000000006))) * x
- + float_type(BOOST_FLOAT128_C(0.99999999999999999999999999999999999999999999999999999999995))) * x);
- }
- return sum;
- }
- inline boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_EXP(boost::math::cstdfloat::detail::float_internal128_t x)
- {
- // Patch the expq() function for a subset of broken GCC compilers
- // like GCC 4.7, 4.8 on MinGW.
- // Use an order-36 polynomial approximation of the exponential function
- // in the range of (-ln2 < x < ln2). Scale the argument to this range
- // and subsequently multiply the result by 2^n accordingly.
- // Derive the polynomial coefficients with Mathematica(R) by generating
- // a table of high-precision values of exp(x) in the range (-ln2 < x < ln2)
- // and subsequently applying the built-in *Fit* function.
- // Table[{x, Exp[x] - 1}, {x, -Log[2], Log[2], 1/180}]
- // N[%, 120]
- // Fit[%, {x, x^2, x^3, x^4, x^5, x^6, x^7, x^8, x^9, x^10, x^11, x^12,
- // x^13, x^14, x^15, x^16, x^17, x^18, x^19, x^20, x^21, x^22,
- // x^23, x^24, x^25, x^26, x^27, x^28, x^29, x^30, x^31, x^32,
- // x^33, x^34, x^35, x^36}, x]
- typedef boost::math::cstdfloat::detail::float_internal128_t float_type;
- // Scale the argument x to the range (-ln2 < x < ln2).
- BOOST_CONSTEXPR_OR_CONST float_type one_over_ln2 = float_type(BOOST_FLOAT128_C(1.44269504088896340735992468100189213742664595415299));
- const float_type x_over_ln2 = x * one_over_ln2;
- boost::int_fast32_t n;
- if (x != x)
- {
- // The argument is NaN.
- return std::numeric_limits<float_type>::quiet_NaN();
- }
- else if (::BOOST_CSTDFLOAT_FLOAT128_FABS(x) > BOOST_FLOAT128_C(+0.693147180559945309417232121458176568075500134360255))
- {
- // The absolute value of the argument exceeds ln2.
- n = static_cast<boost::int_fast32_t>(::BOOST_CSTDFLOAT_FLOAT128_FLOOR(x_over_ln2));
- }
- else if (::BOOST_CSTDFLOAT_FLOAT128_FABS(x) < BOOST_FLOAT128_C(+0.693147180559945309417232121458176568075500134360255))
- {
- // The absolute value of the argument is less than ln2.
- n = static_cast<boost::int_fast32_t>(0);
- }
- else
- {
- // The absolute value of the argument is exactly equal to ln2 (in the sense of floating-point equality).
- return float_type(2);
- }
- // Check if the argument is very near an integer.
- const float_type floor_of_x = ::BOOST_CSTDFLOAT_FLOAT128_FLOOR(x);
- if (::BOOST_CSTDFLOAT_FLOAT128_FABS(x - floor_of_x) < float_type(BOOST_CSTDFLOAT_FLOAT128_EPS))
- {
- // Return e^n for arguments very near an integer.
- return boost::math::cstdfloat::detail::pown(BOOST_FLOAT128_C(2.71828182845904523536028747135266249775724709369996), static_cast<boost::int_fast32_t>(floor_of_x));
- }
- // Compute the scaled argument alpha.
- const float_type alpha = x - (n * BOOST_FLOAT128_C(0.693147180559945309417232121458176568075500134360255));
- // Compute the polynomial approximation of expm1(alpha) and add to it
- // in order to obtain the scaled result.
- const float_type scaled_result = ::BOOST_CSTDFLOAT_FLOAT128_EXPM1(alpha) + float_type(1);
- // Rescale the result and return it.
- return scaled_result * boost::math::cstdfloat::detail::pown(float_type(2), n);
- }
- inline boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_SINH(boost::math::cstdfloat::detail::float_internal128_t x)
- {
- // Patch the sinhq() function for a subset of broken GCC compilers
- // like GCC 4.7, 4.8 on MinGW.
- typedef boost::math::cstdfloat::detail::float_internal128_t float_type;
- // Here, we use the following:
- // Set: ex = exp(x)
- // Set: em1 = expm1(x)
- // Then
- // sinh(x) = (ex - 1/ex) / 2 ; for |x| >= 1
- // sinh(x) = (2em1 + em1^2) / (2ex) ; for |x| < 1
- const float_type ex = ::BOOST_CSTDFLOAT_FLOAT128_EXP(x);
- if (::BOOST_CSTDFLOAT_FLOAT128_FABS(x) < float_type(+1))
- {
- const float_type em1 = ::BOOST_CSTDFLOAT_FLOAT128_EXPM1(x);
- return ((em1 * 2) + (em1 * em1)) / (ex * 2);
- }
- else
- {
- return (ex - (float_type(1) / ex)) / 2;
- }
- }
- inline boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_COSH(boost::math::cstdfloat::detail::float_internal128_t x)
- {
- // Patch the coshq() function for a subset of broken GCC compilers
- // like GCC 4.7, 4.8 on MinGW.
- typedef boost::math::cstdfloat::detail::float_internal128_t float_type;
- const float_type ex = ::BOOST_CSTDFLOAT_FLOAT128_EXP(x);
- return (ex + (float_type(1) / ex)) / 2;
- }
- inline boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_TANH(boost::math::cstdfloat::detail::float_internal128_t x)
- {
- // Patch the tanhq() function for a subset of broken GCC compilers
- // like GCC 4.7, 4.8 on MinGW.
- typedef boost::math::cstdfloat::detail::float_internal128_t float_type;
- const float_type ex_plus = ::BOOST_CSTDFLOAT_FLOAT128_EXP(x);
- const float_type ex_minus = (float_type(1) / ex_plus);
- return (ex_plus - ex_minus) / (ex_plus + ex_minus);
- }
- inline boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ASINH(boost::math::cstdfloat::detail::float_internal128_t x) throw()
- {
- // Patch the asinh() function since quadmath does not have it.
- typedef boost::math::cstdfloat::detail::float_internal128_t float_type;
- return ::BOOST_CSTDFLOAT_FLOAT128_LOG(x + ::BOOST_CSTDFLOAT_FLOAT128_SQRT((x * x) + float_type(1)));
- }
- inline boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ACOSH(boost::math::cstdfloat::detail::float_internal128_t x) throw()
- {
- // Patch the acosh() function since quadmath does not have it.
- typedef boost::math::cstdfloat::detail::float_internal128_t float_type;
- const float_type zp(x + float_type(1));
- const float_type zm(x - float_type(1));
- return ::BOOST_CSTDFLOAT_FLOAT128_LOG(x + (zp * ::BOOST_CSTDFLOAT_FLOAT128_SQRT(zm / zp)));
- }
- inline boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_ATANH(boost::math::cstdfloat::detail::float_internal128_t x) throw()
- {
- // Patch the atanh() function since quadmath does not have it.
- typedef boost::math::cstdfloat::detail::float_internal128_t float_type;
- return (::BOOST_CSTDFLOAT_FLOAT128_LOG(float_type(1) + x)
- - ::BOOST_CSTDFLOAT_FLOAT128_LOG(float_type(1) - x)) / 2;
- }
- inline boost::math::cstdfloat::detail::float_internal128_t BOOST_CSTDFLOAT_FLOAT128_TGAMMA(boost::math::cstdfloat::detail::float_internal128_t x) throw()
- {
- // Patch the tgammaq() function for a subset of broken GCC compilers
- // like GCC 4.7, 4.8 on MinGW.
- typedef boost::math::cstdfloat::detail::float_internal128_t float_type;
- if (x > float_type(0))
- {
- return ::BOOST_CSTDFLOAT_FLOAT128_EXP(::BOOST_CSTDFLOAT_FLOAT128_LGAMMA(x));
- }
- else if (x < float_type(0))
- {
- // For x < 0, compute tgamma(-x) and use the reflection formula.
- const float_type positive_x = -x;
- float_type gamma_value = ::BOOST_CSTDFLOAT_FLOAT128_TGAMMA(positive_x);
- const float_type floor_of_positive_x = ::BOOST_CSTDFLOAT_FLOAT128_FLOOR(positive_x);
- // Take the reflection checks (slightly adapted) from <boost/math/gamma.hpp>.
- const bool floor_of_z_is_equal_to_z = (positive_x == ::BOOST_CSTDFLOAT_FLOAT128_FLOOR(positive_x));
- BOOST_CONSTEXPR_OR_CONST float_type my_pi = BOOST_FLOAT128_C(3.14159265358979323846264338327950288419716939937511);
- if (floor_of_z_is_equal_to_z)
- {
- const bool is_odd = ((boost::int32_t(floor_of_positive_x) % boost::int32_t(2)) != boost::int32_t(0));
- return (is_odd ? -std::numeric_limits<float_type>::infinity()
- : +std::numeric_limits<float_type>::infinity());
- }
- const float_type sinpx_value = x * ::BOOST_CSTDFLOAT_FLOAT128_SIN(my_pi * x);
- gamma_value *= sinpx_value;
- const bool result_is_too_large_to_represent = ((::BOOST_CSTDFLOAT_FLOAT128_FABS(gamma_value) < float_type(1))
- && (((std::numeric_limits<float_type>::max)() * ::BOOST_CSTDFLOAT_FLOAT128_FABS(gamma_value)) < my_pi));
- if (result_is_too_large_to_represent)
- {
- const bool is_odd = ((boost::int32_t(floor_of_positive_x) % boost::int32_t(2)) != boost::int32_t(0));
- return (is_odd ? -std::numeric_limits<float_type>::infinity()
- : +std::numeric_limits<float_type>::infinity());
- }
- gamma_value = -my_pi / gamma_value;
- if ((gamma_value > float_type(0)) || (gamma_value < float_type(0)))
- {
- return gamma_value;
- }
- else
- {
- // The value of gamma is too small to represent. Return 0.0 here.
- return float_type(0);
- }
- }
- else
- {
- // Gamma of zero is complex infinity. Return NaN here.
- return std::numeric_limits<float_type>::quiet_NaN();
- }
- }
- #endif // BOOST_CSTDFLOAT_BROKEN_FLOAT128_MATH_FUNCTIONS
- // Define the quadruple-precision <cmath> functions in the namespace boost::math::cstdfloat::detail.
- namespace boost {
- namespace math {
- namespace cstdfloat {
- namespace detail {
- inline boost::math::cstdfloat::detail::float_internal128_t ldexp(boost::math::cstdfloat::detail::float_internal128_t x, int n) { return ::BOOST_CSTDFLOAT_FLOAT128_LDEXP(x, n); }
- inline boost::math::cstdfloat::detail::float_internal128_t frexp(boost::math::cstdfloat::detail::float_internal128_t x, int* pn) { return ::BOOST_CSTDFLOAT_FLOAT128_FREXP(x, pn); }
- inline boost::math::cstdfloat::detail::float_internal128_t fabs(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_FABS(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t abs(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_FABS(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t floor(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_FLOOR(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t ceil(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_CEIL(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t sqrt(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_SQRT(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t trunc(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_TRUNC(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t exp(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_EXP(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t expm1(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_EXPM1(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t pow(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t a) { return ::BOOST_CSTDFLOAT_FLOAT128_POW(x, a); }
- inline boost::math::cstdfloat::detail::float_internal128_t pow(boost::math::cstdfloat::detail::float_internal128_t x, int a) { return ::BOOST_CSTDFLOAT_FLOAT128_POW(x, boost::math::cstdfloat::detail::float_internal128_t(a)); }
- inline boost::math::cstdfloat::detail::float_internal128_t log(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_LOG(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t log10(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_LOG10(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t sin(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_SIN(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t cos(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_COS(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t tan(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_TAN(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t asin(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ASIN(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t acos(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ACOS(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t atan(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ATAN(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t sinh(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_SINH(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t cosh(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_COSH(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t tanh(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_TANH(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t asinh(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ASINH(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t acosh(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ACOSH(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t atanh(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ATANH(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t fmod(boost::math::cstdfloat::detail::float_internal128_t a, boost::math::cstdfloat::detail::float_internal128_t b) { return ::BOOST_CSTDFLOAT_FLOAT128_FMOD(a, b); }
- inline boost::math::cstdfloat::detail::float_internal128_t atan2(boost::math::cstdfloat::detail::float_internal128_t y, boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ATAN2(y, x); }
- inline boost::math::cstdfloat::detail::float_internal128_t lgamma(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_LGAMMA(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t tgamma(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_TGAMMA(x); }
- // begin more functions
- inline boost::math::cstdfloat::detail::float_internal128_t remainder(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_REMAINDER(x, y); }
- inline boost::math::cstdfloat::detail::float_internal128_t remquo(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y, int* z) { return ::BOOST_CSTDFLOAT_FLOAT128_REMQUO(x, y, z); }
- inline boost::math::cstdfloat::detail::float_internal128_t fma(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y, boost::math::cstdfloat::detail::float_internal128_t z) { return BOOST_CSTDFLOAT_FLOAT128_FMA(x, y, z); }
- inline boost::math::cstdfloat::detail::float_internal128_t fmax(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_FMAX(x, y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- fmax(boost::math::cstdfloat::detail::float_internal128_t x, T y) { return ::BOOST_CSTDFLOAT_FLOAT128_FMAX(x, y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- fmax(T x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_FMAX(x, y); }
- inline boost::math::cstdfloat::detail::float_internal128_t fmin(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_FMIN(x, y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- fmin(boost::math::cstdfloat::detail::float_internal128_t x, T y) { return ::BOOST_CSTDFLOAT_FLOAT128_FMIN(x, y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- fmin(T x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_FMIN(x, y); }
- inline boost::math::cstdfloat::detail::float_internal128_t fdim(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_FDIM(x, y); }
- inline boost::math::cstdfloat::detail::float_internal128_t nanq(const char* x) { return ::BOOST_CSTDFLOAT_FLOAT128_NAN(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t exp2(boost::math::cstdfloat::detail::float_internal128_t x)
- {
- return ::BOOST_CSTDFLOAT_FLOAT128_POW(boost::math::cstdfloat::detail::float_internal128_t(2), x);
- }
- inline boost::math::cstdfloat::detail::float_internal128_t log2(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_LOG2(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t log1p(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_LOG1P(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t cbrt(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_CBRT(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t hypot(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y, boost::math::cstdfloat::detail::float_internal128_t z) { return ::BOOST_CSTDFLOAT_FLOAT128_SQRT(x*x + y * y + z * z); }
- inline boost::math::cstdfloat::detail::float_internal128_t hypot(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_HYPOT(x, y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- hypot(boost::math::cstdfloat::detail::float_internal128_t x, T y) { return ::BOOST_CSTDFLOAT_FLOAT128_HYPOT(x, y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- hypot(T x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_HYPOT(x, y); }
- inline boost::math::cstdfloat::detail::float_internal128_t erf(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ERF(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t erfc(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ERFC(x); }
- inline long long int llround(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_LLROUND(x); }
- inline long int lround(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_LROUND(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t round(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ROUND(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t nearbyint(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_NEARBYINT(x); }
- inline long long int llrint(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_LLRINT(x); }
- inline long int lrint(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_LRINT(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t rint(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_RINT(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t modf(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t* y) { return ::BOOST_CSTDFLOAT_FLOAT128_MODF(x, y); }
- inline boost::math::cstdfloat::detail::float_internal128_t scalbln(boost::math::cstdfloat::detail::float_internal128_t x, long int y) { return ::BOOST_CSTDFLOAT_FLOAT128_SCALBLN(x, y); }
- inline boost::math::cstdfloat::detail::float_internal128_t scalbn(boost::math::cstdfloat::detail::float_internal128_t x, int y) { return ::BOOST_CSTDFLOAT_FLOAT128_SCALBN(x, y); }
- inline int ilogb(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ILOGB(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t logb(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_LOGB(x); }
- inline boost::math::cstdfloat::detail::float_internal128_t nextafter(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_NEXTAFTER(x, y); }
- inline boost::math::cstdfloat::detail::float_internal128_t nexttoward(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y) { return -(::BOOST_CSTDFLOAT_FLOAT128_NEXTAFTER(-x, -y)); }
- inline boost::math::cstdfloat::detail::float_internal128_t copysign BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_COPYSIGN(x, y); }
- inline bool signbit BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_SIGNBIT(x); }
- inline int fpclassify BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x)
- {
- if (::BOOST_CSTDFLOAT_FLOAT128_ISNAN(x))
- return FP_NAN;
- else if (::BOOST_CSTDFLOAT_FLOAT128_ISINF(x))
- return FP_INFINITE;
- else if (x == BOOST_FLOAT128_C(0.0))
- return FP_ZERO;
- if (::BOOST_CSTDFLOAT_FLOAT128_FABS(x) < BOOST_CSTDFLOAT_FLOAT128_MIN)
- return FP_SUBNORMAL;
- else
- return FP_NORMAL;
- }
- inline bool isfinite BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x)
- {
- return !::BOOST_CSTDFLOAT_FLOAT128_ISNAN(x) && !::BOOST_CSTDFLOAT_FLOAT128_ISINF(x);
- }
- inline bool isinf BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ISINF(x); }
- inline bool isnan BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x) { return ::BOOST_CSTDFLOAT_FLOAT128_ISNAN(x); }
- inline bool isnormal BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x) { return boost::math::cstdfloat::detail::fpclassify BOOST_PREVENT_MACRO_SUBSTITUTION(x) == FP_NORMAL; }
- inline bool isgreater BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y)
- {
- if (isnan BOOST_PREVENT_MACRO_SUBSTITUTION(x) || isnan BOOST_PREVENT_MACRO_SUBSTITUTION(y))
- return false;
- return x > y;
- }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- isgreater BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, T y) { return isgreater BOOST_PREVENT_MACRO_SUBSTITUTION(x, (boost::math::cstdfloat::detail::float_internal128_t)y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- isgreater BOOST_PREVENT_MACRO_SUBSTITUTION(T x, boost::math::cstdfloat::detail::float_internal128_t y) { return isgreater BOOST_PREVENT_MACRO_SUBSTITUTION((boost::math::cstdfloat::detail::float_internal128_t)x, y); }
- inline bool isgreaterequal BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y)
- {
- if (isnan BOOST_PREVENT_MACRO_SUBSTITUTION(x) || isnan BOOST_PREVENT_MACRO_SUBSTITUTION(y))
- return false;
- return x >= y;
- }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- isgreaterequal BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, T y) { return isgreaterequal BOOST_PREVENT_MACRO_SUBSTITUTION(x, (boost::math::cstdfloat::detail::float_internal128_t)y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- isgreaterequal BOOST_PREVENT_MACRO_SUBSTITUTION(T x, boost::math::cstdfloat::detail::float_internal128_t y) { return isgreaterequal BOOST_PREVENT_MACRO_SUBSTITUTION((boost::math::cstdfloat::detail::float_internal128_t)x, y); }
- inline bool isless BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y)
- {
- if (isnan BOOST_PREVENT_MACRO_SUBSTITUTION(x) || isnan BOOST_PREVENT_MACRO_SUBSTITUTION(y))
- return false;
- return x < y;
- }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- isless BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, T y) { return isless BOOST_PREVENT_MACRO_SUBSTITUTION(x, (boost::math::cstdfloat::detail::float_internal128_t)y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- isless BOOST_PREVENT_MACRO_SUBSTITUTION(T x, boost::math::cstdfloat::detail::float_internal128_t y) { return isless BOOST_PREVENT_MACRO_SUBSTITUTION((boost::math::cstdfloat::detail::float_internal128_t)x, y); }
- inline bool islessequal BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y)
- {
- if (isnan BOOST_PREVENT_MACRO_SUBSTITUTION(x) || isnan BOOST_PREVENT_MACRO_SUBSTITUTION(y))
- return false;
- return x <= y;
- }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- islessequal BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, T y) { return islessequal BOOST_PREVENT_MACRO_SUBSTITUTION(x, (boost::math::cstdfloat::detail::float_internal128_t)y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- islessequal BOOST_PREVENT_MACRO_SUBSTITUTION(T x, boost::math::cstdfloat::detail::float_internal128_t y) { return islessequal BOOST_PREVENT_MACRO_SUBSTITUTION((boost::math::cstdfloat::detail::float_internal128_t)x, y); }
- inline bool islessgreater BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y)
- {
- if (isnan BOOST_PREVENT_MACRO_SUBSTITUTION(x) || isnan BOOST_PREVENT_MACRO_SUBSTITUTION(y))
- return false;
- return (x < y) || (x > y);
- }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- islessgreater BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, T y) { return islessgreater BOOST_PREVENT_MACRO_SUBSTITUTION(x, (boost::math::cstdfloat::detail::float_internal128_t)y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- islessgreater BOOST_PREVENT_MACRO_SUBSTITUTION(T x, boost::math::cstdfloat::detail::float_internal128_t y) { return islessgreater BOOST_PREVENT_MACRO_SUBSTITUTION((boost::math::cstdfloat::detail::float_internal128_t)x, y); }
- inline bool isunordered BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, boost::math::cstdfloat::detail::float_internal128_t y) { return ::BOOST_CSTDFLOAT_FLOAT128_ISNAN(x) || ::BOOST_CSTDFLOAT_FLOAT128_ISNAN(y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- isunordered BOOST_PREVENT_MACRO_SUBSTITUTION(boost::math::cstdfloat::detail::float_internal128_t x, T y) { return isunordered BOOST_PREVENT_MACRO_SUBSTITUTION(x, (boost::math::cstdfloat::detail::float_internal128_t)y); }
- template <class T>
- inline typename std::enable_if<
- std::is_convertible<T, boost::math::cstdfloat::detail::float_internal128_t>::value
- && !boost::is_same<T, boost::math::cstdfloat::detail::float_internal128_t>::value, boost::math::cstdfloat::detail::float_internal128_t>::type
- isunordered BOOST_PREVENT_MACRO_SUBSTITUTION(T x, boost::math::cstdfloat::detail::float_internal128_t y) { return isunordered BOOST_PREVENT_MACRO_SUBSTITUTION((boost::math::cstdfloat::detail::float_internal128_t)x, y); }
- // end more functions
- }
- }
- }
- } // boost::math::cstdfloat::detail
- // We will now inject the quadruple-precision <cmath> functions
- // into the std namespace. This is done via *using* directive.
- namespace std
- {
- using boost::math::cstdfloat::detail::ldexp;
- using boost::math::cstdfloat::detail::frexp;
- using boost::math::cstdfloat::detail::fabs;
- #if !(defined(_GLIBCXX_USE_FLOAT128) && defined(__GNUC__) && (__GNUC__ >= 7))
- using boost::math::cstdfloat::detail::abs;
- #endif
- using boost::math::cstdfloat::detail::floor;
- using boost::math::cstdfloat::detail::ceil;
- using boost::math::cstdfloat::detail::sqrt;
- using boost::math::cstdfloat::detail::trunc;
- using boost::math::cstdfloat::detail::exp;
- using boost::math::cstdfloat::detail::expm1;
- using boost::math::cstdfloat::detail::pow;
- using boost::math::cstdfloat::detail::log;
- using boost::math::cstdfloat::detail::log10;
- using boost::math::cstdfloat::detail::sin;
- using boost::math::cstdfloat::detail::cos;
- using boost::math::cstdfloat::detail::tan;
- using boost::math::cstdfloat::detail::asin;
- using boost::math::cstdfloat::detail::acos;
- using boost::math::cstdfloat::detail::atan;
- using boost::math::cstdfloat::detail::sinh;
- using boost::math::cstdfloat::detail::cosh;
- using boost::math::cstdfloat::detail::tanh;
- using boost::math::cstdfloat::detail::asinh;
- using boost::math::cstdfloat::detail::acosh;
- using boost::math::cstdfloat::detail::atanh;
- using boost::math::cstdfloat::detail::fmod;
- using boost::math::cstdfloat::detail::atan2;
- using boost::math::cstdfloat::detail::lgamma;
- using boost::math::cstdfloat::detail::tgamma;
- // begin more functions
- using boost::math::cstdfloat::detail::remainder;
- using boost::math::cstdfloat::detail::remquo;
- using boost::math::cstdfloat::detail::fma;
- using boost::math::cstdfloat::detail::fmax;
- using boost::math::cstdfloat::detail::fmin;
- using boost::math::cstdfloat::detail::fdim;
- using boost::math::cstdfloat::detail::nanq;
- using boost::math::cstdfloat::detail::exp2;
- using boost::math::cstdfloat::detail::log2;
- using boost::math::cstdfloat::detail::log1p;
- using boost::math::cstdfloat::detail::cbrt;
- using boost::math::cstdfloat::detail::hypot;
- using boost::math::cstdfloat::detail::erf;
- using boost::math::cstdfloat::detail::erfc;
- using boost::math::cstdfloat::detail::llround;
- using boost::math::cstdfloat::detail::lround;
- using boost::math::cstdfloat::detail::round;
- using boost::math::cstdfloat::detail::nearbyint;
- using boost::math::cstdfloat::detail::llrint;
- using boost::math::cstdfloat::detail::lrint;
- using boost::math::cstdfloat::detail::rint;
- using boost::math::cstdfloat::detail::modf;
- using boost::math::cstdfloat::detail::scalbln;
- using boost::math::cstdfloat::detail::scalbn;
- using boost::math::cstdfloat::detail::ilogb;
- using boost::math::cstdfloat::detail::logb;
- using boost::math::cstdfloat::detail::nextafter;
- using boost::math::cstdfloat::detail::nexttoward;
- using boost::math::cstdfloat::detail::copysign;
- using boost::math::cstdfloat::detail::signbit;
- using boost::math::cstdfloat::detail::fpclassify;
- using boost::math::cstdfloat::detail::isfinite;
- using boost::math::cstdfloat::detail::isinf;
- using boost::math::cstdfloat::detail::isnan;
- using boost::math::cstdfloat::detail::isnormal;
- using boost::math::cstdfloat::detail::isgreater;
- using boost::math::cstdfloat::detail::isgreaterequal;
- using boost::math::cstdfloat::detail::isless;
- using boost::math::cstdfloat::detail::islessequal;
- using boost::math::cstdfloat::detail::islessgreater;
- using boost::math::cstdfloat::detail::isunordered;
- // end more functions
- //
- // Very basic iostream operator:
- //
- inline std::ostream& operator << (std::ostream& os, __float128 m_value)
- {
- std::streamsize digits = os.precision();
- std::ios_base::fmtflags f = os.flags();
- std::string s;
- char buf[100];
- boost::scoped_array<char> buf2;
- std::string format = "%";
- if (f & std::ios_base::showpos)
- format += "+";
- if (f & std::ios_base::showpoint)
- format += "#";
- format += ".*";
- if (digits == 0)
- digits = 36;
- format += "Q";
- if (f & std::ios_base::scientific)
- format += "e";
- else if (f & std::ios_base::fixed)
- format += "f";
- else
- format += "g";
- int v = quadmath_snprintf(buf, 100, format.c_str(), digits, m_value);
- if ((v < 0) || (v >= 99))
- {
- int v_max = v;
- buf2.reset(new char[v + 3]);
- v = quadmath_snprintf(&buf2[0], v_max + 3, format.c_str(), digits, m_value);
- if (v >= v_max + 3)
- {
- BOOST_THROW_EXCEPTION(std::runtime_error("Formatting of float128_type failed."));
- }
- s = &buf2[0];
- }
- else
- s = buf;
- std::streamsize ss = os.width();
- if (ss > static_cast<std::streamsize>(s.size()))
- {
- char fill = os.fill();
- if ((os.flags() & std::ios_base::left) == std::ios_base::left)
- s.append(static_cast<std::string::size_type>(ss - s.size()), fill);
- else
- s.insert(static_cast<std::string::size_type>(0), static_cast<std::string::size_type>(ss - s.size()), fill);
- }
- return os << s;
- }
- } // namespace std
- // We will now remove the preprocessor symbols representing quadruple-precision <cmath>
- // functions from the preprocessor.
- #undef BOOST_CSTDFLOAT_FLOAT128_LDEXP
- #undef BOOST_CSTDFLOAT_FLOAT128_FREXP
- #undef BOOST_CSTDFLOAT_FLOAT128_FABS
- #undef BOOST_CSTDFLOAT_FLOAT128_FLOOR
- #undef BOOST_CSTDFLOAT_FLOAT128_CEIL
- #undef BOOST_CSTDFLOAT_FLOAT128_SQRT
- #undef BOOST_CSTDFLOAT_FLOAT128_TRUNC
- #undef BOOST_CSTDFLOAT_FLOAT128_EXP
- #undef BOOST_CSTDFLOAT_FLOAT128_EXPM1
- #undef BOOST_CSTDFLOAT_FLOAT128_POW
- #undef BOOST_CSTDFLOAT_FLOAT128_LOG
- #undef BOOST_CSTDFLOAT_FLOAT128_LOG10
- #undef BOOST_CSTDFLOAT_FLOAT128_SIN
- #undef BOOST_CSTDFLOAT_FLOAT128_COS
- #undef BOOST_CSTDFLOAT_FLOAT128_TAN
- #undef BOOST_CSTDFLOAT_FLOAT128_ASIN
- #undef BOOST_CSTDFLOAT_FLOAT128_ACOS
- #undef BOOST_CSTDFLOAT_FLOAT128_ATAN
- #undef BOOST_CSTDFLOAT_FLOAT128_SINH
- #undef BOOST_CSTDFLOAT_FLOAT128_COSH
- #undef BOOST_CSTDFLOAT_FLOAT128_TANH
- #undef BOOST_CSTDFLOAT_FLOAT128_ASINH
- #undef BOOST_CSTDFLOAT_FLOAT128_ACOSH
- #undef BOOST_CSTDFLOAT_FLOAT128_ATANH
- #undef BOOST_CSTDFLOAT_FLOAT128_FMOD
- #undef BOOST_CSTDFLOAT_FLOAT128_ATAN2
- #undef BOOST_CSTDFLOAT_FLOAT128_LGAMMA
- #undef BOOST_CSTDFLOAT_FLOAT128_TGAMMA
- // begin more functions
- #undef BOOST_CSTDFLOAT_FLOAT128_REMAINDER
- #undef BOOST_CSTDFLOAT_FLOAT128_REMQUO
- #undef BOOST_CSTDFLOAT_FLOAT128_FMA
- #undef BOOST_CSTDFLOAT_FLOAT128_FMAX
- #undef BOOST_CSTDFLOAT_FLOAT128_FMIN
- #undef BOOST_CSTDFLOAT_FLOAT128_FDIM
- #undef BOOST_CSTDFLOAT_FLOAT128_NAN
- #undef BOOST_CSTDFLOAT_FLOAT128_EXP2
- #undef BOOST_CSTDFLOAT_FLOAT128_LOG2
- #undef BOOST_CSTDFLOAT_FLOAT128_LOG1P
- #undef BOOST_CSTDFLOAT_FLOAT128_CBRT
- #undef BOOST_CSTDFLOAT_FLOAT128_HYPOT
- #undef BOOST_CSTDFLOAT_FLOAT128_ERF
- #undef BOOST_CSTDFLOAT_FLOAT128_ERFC
- #undef BOOST_CSTDFLOAT_FLOAT128_LLROUND
- #undef BOOST_CSTDFLOAT_FLOAT128_LROUND
- #undef BOOST_CSTDFLOAT_FLOAT128_ROUND
- #undef BOOST_CSTDFLOAT_FLOAT128_NEARBYINT
- #undef BOOST_CSTDFLOAT_FLOAT128_LLRINT
- #undef BOOST_CSTDFLOAT_FLOAT128_LRINT
- #undef BOOST_CSTDFLOAT_FLOAT128_RINT
- #undef BOOST_CSTDFLOAT_FLOAT128_MODF
- #undef BOOST_CSTDFLOAT_FLOAT128_SCALBLN
- #undef BOOST_CSTDFLOAT_FLOAT128_SCALBN
- #undef BOOST_CSTDFLOAT_FLOAT128_ILOGB
- #undef BOOST_CSTDFLOAT_FLOAT128_LOGB
- #undef BOOST_CSTDFLOAT_FLOAT128_NEXTAFTER
- #undef BOOST_CSTDFLOAT_FLOAT128_NEXTTOWARD
- #undef BOOST_CSTDFLOAT_FLOAT128_COPYSIGN
- #undef BOOST_CSTDFLOAT_FLOAT128_SIGNBIT
- #undef BOOST_CSTDFLOAT_FLOAT128_FPCLASSIFY
- #undef BOOST_CSTDFLOAT_FLOAT128_ISFINITE
- #undef BOOST_CSTDFLOAT_FLOAT128_ISINF
- #undef BOOST_CSTDFLOAT_FLOAT128_ISNAN
- #undef BOOST_CSTDFLOAT_FLOAT128_ISNORMAL
- #undef BOOST_CSTDFLOAT_FLOAT128_ISGREATER
- #undef BOOST_CSTDFLOAT_FLOAT128_ISGREATEREQUAL
- #undef BOOST_CSTDFLOAT_FLOAT128_ISLESS
- #undef BOOST_CSTDFLOAT_FLOAT128_ISLESSEQUAL
- #undef BOOST_CSTDFLOAT_FLOAT128_ISLESSGREATER
- #undef BOOST_CSTDFLOAT_FLOAT128_ISUNORDERED
- // end more functions
- #endif // Not BOOST_CSTDFLOAT_NO_LIBQUADMATH_SUPPORT (i.e., the user would like to have libquadmath support)
- #endif // BOOST_MATH_CSTDFLOAT_CMATH_2014_02_15_HPP_
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