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32 lines
984 B
32 lines
984 B
// (C) Copyright John Maddock 2005. |
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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_COMPLEX_ASINH_INCLUDED |
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#define BOOST_MATH_COMPLEX_ASINH_INCLUDED |
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#ifndef BOOST_MATH_COMPLEX_DETAILS_INCLUDED |
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# include <boost/math/complex/details.hpp> |
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#endif |
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#ifndef BOOST_MATH_COMPLEX_ASIN_INCLUDED |
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# include <boost/math/complex/asin.hpp> |
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#endif |
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namespace boost{ namespace math{ |
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template<class T> |
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inline std::complex<T> asinh(const std::complex<T>& x) |
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{ |
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// |
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// We use asinh(z) = i asin(-i z); |
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// Note that C99 defines this the other way around (which is |
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// to say asin is specified in terms of asinh), this is consistent |
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// with C99 though: |
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// |
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return ::boost::math::detail::mult_i(::boost::math::asin(::boost::math::detail::mult_minus_i(x))); |
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} |
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} } // namespaces |
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#endif // BOOST_MATH_COMPLEX_ASINH_INCLUDED
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