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95 lines
2.0 KiB
C++
95 lines
2.0 KiB
C++
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// (C) Copyright John Maddock 2006.
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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_TEST_ZETA_OTHER_HOOKS_HPP
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#define BOOST_MATH_TEST_ZETA_OTHER_HOOKS_HPP
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#ifdef TEST_CEPHES
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namespace other{
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extern "C" {
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double expn(int, double);
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float expnf(int, float);
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long double expnl(int, long double);
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}
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inline float expint(unsigned n, float a)
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{ return expnf(n, a); }
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inline double expint(unsigned n, double a)
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{ return expn(n, a); }
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inline long double expint(unsigned n, long double a)
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{
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#ifdef BOOST_MSVC
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return expn(n, (double)a);
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#else
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return expnl(n, a);
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#endif
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}
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// Ei is not supported:
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template <class T>
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inline T expint(T){ return 0; }
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}
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#define TEST_OTHER
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#endif
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#ifdef TEST_GSL
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#include <gsl/gsl_sf_expint.h>
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namespace other{
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inline float expint(float a)
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{ return (float)gsl_sf_expint_Ei(a); }
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inline double expint(double a)
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{ return gsl_sf_expint_Ei(a); }
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inline long double expint(long double a)
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{ return gsl_sf_expint_Ei(a); }
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// En is not supported:
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template <class T>
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inline T expint(unsigned, T){ return 0; }
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}
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#define TEST_OTHER
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#endif
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#ifdef TEST_SPECFUN
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namespace other{
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extern "C" int calcei_(double *arg, double *result, int*);
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inline float expint(float a)
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{
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double r, a_(a);
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int v = 1;
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calcei_(&a_, &r, &v);
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return (float)r;
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}
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inline double expint(double a)
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{
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double r, a_(a);
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int v = 1;
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calcei_(&a_, &r, &v);
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return r;
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}
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inline long double expint(long double a)
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{
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double r, a_(a);
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int v = 1;
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calcei_(&a_, &r, &v);
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return r;
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}
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// En is not supported:
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template <class T>
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inline T expint(unsigned, T){ return 0; }
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}
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#define TEST_OTHER
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#endif
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#ifdef TEST_OTHER
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namespace other{
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boost::math::concepts::real_concept expint(unsigned, boost::math::concepts::real_concept){ return 0; }
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boost::math::concepts::real_concept expint(boost::math::concepts::real_concept){ return 0; }
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}
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#endif
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#endif
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