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36 lines
1.3 KiB
C++
36 lines
1.3 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2016 Bolero MURAKAMI
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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_MATH_QUATERNION_SEMIPOLAR_HPP
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#define SPROUT_MATH_QUATERNION_SEMIPOLAR_HPP
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#include <sprout/config.hpp>
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#include <sprout/math/cos.hpp>
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#include <sprout/math/sin.hpp>
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#include <sprout/math/quaternion/quaternion.hpp>
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namespace sprout {
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namespace math {
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//
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// semipolar
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//
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template<typename T>
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inline SPROUT_CONSTEXPR sprout::math::quaternion<T>
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semipolar(T const& rho, T const& alpha, T const& theta1, T const& theta2) {
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return rho * sprout::math::quaternion<T>(
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sprout::math::cos(alpha) * sprout::math::cos(theta1),
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sprout::math::cos(alpha) * sprout::math::sin(theta1),
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sprout::math::sin(alpha) * sprout::math::cos(theta2),
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sprout::math::sin(alpha) * sprout::math::sin(theta2)
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);
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}
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} // namespace math
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using sprout::math::semipolar;
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} // namespace sprout
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#endif // #ifndef SPROUT_MATH_QUATERNION_SEMIPOLAR_HPP
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