cosh.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2021 Tobias Hienzsch
 
#ifndef TETL_COMPLEX_COSH_HPP
#define TETL_COMPLEX_COSH_HPP
 
#include <etl/_cmath/cos.hpp>
#include <etl/_cmath/cosh.hpp>
#include <etl/_cmath/sin.hpp>
#include <etl/_cmath/sinh.hpp>
#include <etl/_complex/complex.hpp>
 
namespace etl {
 
/// \ingroup complex
template <typename T>
[[nodiscard]] constexpr auto cosh(complex<T> const& z) -> complex<T>
{
    auto const x = z.real();
    auto const y = z.imag();
    return {cosh(x) * cos(y), sinh(x) * sin(y)};
}
 
} // namespace etl
 
#endif // TETL_COMPLEX_COSH_HPP