2014-07-19 11:03:13 +00:00
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/*=============================================================================
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2016-02-25 09:48:28 +00:00
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Copyright (c) 2011-2016 Bolero MURAKAMI
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2014-07-19 11:03:13 +00:00
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_COMPLEX_TAN_HPP
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#define SPROUT_COMPLEX_TAN_HPP
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#include <sprout/config.hpp>
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#include <sprout/complex/complex.hpp>
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#include <sprout/complex/operators.hpp>
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#include <sprout/complex/perp.hpp>
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#include <sprout/complex/tanh.hpp>
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namespace sprout {
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//
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// tan
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//
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// ctan(z) = -i ctanh(iz)
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//
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template<typename T>
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inline SPROUT_CONSTEXPR sprout::complex<T>
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tan(sprout::complex<T> const& x) {
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return -sprout::perp(sprout::tanh(sprout::perp(x)));
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_COMPLEX_TAN_HPP
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