mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-25 21:35:41 +00:00
562 lines
18 KiB
C++
562 lines
18 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_OPERATORS_HPP
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#define SPROUT_MATH_QUATERNION_OPERATORS_HPP
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#include <iosfwd>
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#include <sstream>
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#include <locale>
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#include <sprout/config.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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// operator+
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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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operator+(T const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::quaternion<T>(
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lhs + rhs.R_component_1(),
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rhs.R_component_2(),
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rhs.R_component_3(),
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rhs.R_component_4()
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);
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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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operator+(sprout::math::quaternion<T> const& lhs, T const& rhs) {
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return sprout::math::quaternion<T>(
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lhs.R_component_1() + rhs,
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lhs.R_component_2(),
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lhs.R_component_3(),
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lhs.R_component_4()
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);
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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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operator+(sprout::complex<T> const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::quaternion<T>(
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lhs.real() + rhs.R_component_1(),
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lhs.imag() + rhs.R_component_2(),
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rhs.R_component_3(),
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rhs.R_component_4()
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);
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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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operator+(sprout::math::quaternion<T> const& lhs, sprout::complex<T> const& rhs) {
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return sprout::math::quaternion<T>(
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lhs.R_component_1() + rhs.real(),
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lhs.R_component_2() + rhs.imag(),
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lhs.R_component_3(),
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lhs.R_component_4()
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);
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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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operator+(sprout::math::quaternion<T> const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::quaternion<T>(
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lhs.R_component_1() + rhs.R_component_1(),
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lhs.R_component_2() + rhs.R_component_2(),
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lhs.R_component_3() + rhs.R_component_3(),
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lhs.R_component_4() + rhs.R_component_4()
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);
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}
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//
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// operator-
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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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operator-(T const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::quaternion<T>(
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lhs - rhs.R_component_1(),
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rhs.R_component_2(),
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rhs.R_component_3(),
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rhs.R_component_4()
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);
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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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operator-(sprout::math::quaternion<T> const& lhs, T const& rhs) {
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return sprout::math::quaternion<T>(
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lhs.R_component_1() - rhs,
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lhs.R_component_2(),
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lhs.R_component_3(),
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lhs.R_component_4()
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);
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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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operator-(sprout::complex<T> const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::quaternion<T>(
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lhs.real() - rhs.R_component_1(),
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lhs.imag() - rhs.R_component_2(),
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rhs.R_component_3(),
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rhs.R_component_4()
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);
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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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operator-(sprout::math::quaternion<T> const& lhs, sprout::complex<T> const& rhs) {
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return sprout::math::quaternion<T>(
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lhs.R_component_1() - rhs.real(),
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lhs.R_component_2() - rhs.imag(),
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lhs.R_component_3(),
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lhs.R_component_4()
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);
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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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operator-(sprout::math::quaternion<T> const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::quaternion<T>(
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lhs.R_component_1() - rhs.R_component_1(),
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lhs.R_component_2() - rhs.R_component_2(),
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lhs.R_component_3() - rhs.R_component_3(),
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lhs.R_component_4() - rhs.R_component_4()
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);
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}
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//
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// operator*
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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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operator*(T const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::quaternion<T>(
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lhs * rhs.R_component_1(),
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lhs * rhs.R_component_2(),
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lhs * rhs.R_component_3(),
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lhs * rhs.R_component_4()
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);
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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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operator*(sprout::math::quaternion<T> const& lhs, T const& rhs) {
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return sprout::math::quaternion<T>(
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lhs.R_component_1() * rhs,
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lhs.R_component_2() * rhs,
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lhs.R_component_3() * rhs,
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lhs.R_component_4() * rhs
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);
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}
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namespace detail {
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template<typename T>
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inline SPROUT_CONSTEXPR sprout::math::quaternion<T>
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mul_qc_impl(T const& a, T const& b, T const& c, T const& d, T const& ar, T const& br) {
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return sprout::math::quaternion<T>(
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+a * ar - b * br,
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+a * br + b * ar,
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+c * ar + d * br,
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-c * br + d * ar
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);
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}
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} // namespace detail
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template<typename T>
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inline SPROUT_CONSTEXPR sprout::math::quaternion<T>
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operator*(sprout::complex<T> const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::detail::mul_qc_impl(
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lhs.R_component_1(), lhs.R_component_2(), lhs.R_component_3(), lhs.R_component_4(),
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rhs.real(), rhs.imag()
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);
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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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operator*(sprout::math::quaternion<T> const& lhs, sprout::complex<T> const& rhs) {
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return sprout::math::detail::mul_qc_impl(
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rhs.R_component_1(), rhs.R_component_2(), rhs.R_component_3(), rhs.R_component_4(),
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lhs.real(), lhs.imag()
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);
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}
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namespace detail {
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template<typename T>
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inline SPROUT_CONSTEXPR sprout::math::quaternion<T>
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mul_qq_impl(T const& a, T const& b, T const& c, T const& d, T const& ar, T const& br, T const& cr, T const& dr) {
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return sprout::math::quaternion<T>(
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+a * ar - b * br - c * cr - d * dr,
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+a * br + b * ar + c * dr - d * cr,
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+a * cr - b * dr + c * ar + d * br,
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+a * dr + b * cr - c * br + d * ar
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);
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}
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} // namespace detail
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template<typename T>
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inline SPROUT_CONSTEXPR sprout::math::quaternion<T>
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operator*(sprout::math::quaternion<T> const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::detail::mul_qq_impl(
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lhs.R_component_1(), lhs.R_component_2(), lhs.R_component_3(), lhs.R_component_4(),
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rhs.R_component_1(), rhs.R_component_2(), rhs.R_component_3(), rhs.R_component_4()
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);
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}
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//
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// operator/
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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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operator/(T const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::quaternion<T>(
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lhs / rhs.R_component_1(),
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lhs / rhs.R_component_2(),
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lhs / rhs.R_component_3(),
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lhs / rhs.R_component_4()
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);
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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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operator/(sprout::math::quaternion<T> const& lhs, T const& rhs) {
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return sprout::math::quaternion<T>(
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lhs.R_component_1() / rhs,
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lhs.R_component_2() / rhs,
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lhs.R_component_3() / rhs,
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lhs.R_component_4() / rhs
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);
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}
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namespace detail {
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template<typename T>
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inline SPROUT_CONSTEXPR sprout::math::quaternion<T>
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div_qq_impl_4(sprout::array<T, 4> const& tt) {
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return sprout::math::quaternion<T>(
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tt[0], tt[1], tt[2], tt[3]
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);
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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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div_qq_impl_3(sprout::array<T, 4> const& tr, T const& mixam, sprout::array<T, 4> const& tt) {
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return sprout::math::detail::div_qq_impl_3(
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sprout::math::detail::mul(tt, mixam / sprout::math::detail::sum(tr))
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);
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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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div_qq_impl_2(T const& a, T const& b, T const& c, T const& d, sprout::array<T, 4> const& tr, T const& mixam) {
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return sprout::math::detail::div_qq_impl_3(
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sprout::math::detail::mul(tr, tr), mixam,
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sprout::array<T, 4>{{
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+a * tr[0] + b * tr[1] + c * tr[2] + d * tr[3],
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-a * tr[1] + b * tr[0] - c * tr[3] + d * tr[2],
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-a * tr[2] + b * tr[3] + c * tr[0] - d * tr[1],
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-a * tr[3] - b * tr[2] + c * tr[1] + d * tr[0]
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}}
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);
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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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div_qq_impl_1(T const& a, T const& b, T const& c, T const& d, sprout::array<T, 4> const& tr, T const& mixam) {
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return sprout::math::detail::div_qq_impl_2(
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a, b, c, d, sprout::math::detail::mul(tr, mixam), mixam
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);
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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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div_qq_impl(T const& a, T const& b, T const& c, T const& d, sprout::array<T, 4> const& tr) {
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return sprout::math::detail::div_qq_impl_1(
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a, b, c, d, tr,
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static_cast<T>(1) / sprout::math::detail::abs_max(tr)
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);
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}
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} // namespace detail
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template<typename T>
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inline SPROUT_CONSTEXPR sprout::math::quaternion<T>
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operator/(sprout::complex<T> const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::detail::div_qq_impl(
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lhs.real(), lhs.imag(), static_cast<T>(0), static_cast<T>(0),
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sprout::array<T, 4>{{rhs.R_component_1(), rhs.R_component_2(), rhs.R_component_3(), rhs.R_component_4()}}
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);
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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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operator/(sprout::math::quaternion<T> const& lhs, sprout::complex<T> const& rhs) {
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return sprout::math::detail::div_qq_impl(
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lhs.R_component_1(), lhs.R_component_2(), lhs.R_component_3(), lhs.R_component_4(),
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sprout::array<T, 4>{{rhs.real(), rhs.imag(), static_cast<T>(0), static_cast<T>(0)}}
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);
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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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operator/(sprout::math::quaternion<T> const& lhs, sprout::math::quaternion<T> const& rhs) {
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return sprout::math::detail::div_qq_impl(
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lhs.R_component_1(), lhs.R_component_2(), lhs.R_component_3(), lhs.R_component_4(),
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sprout::array<T, 4>{{rhs.R_component_1(), rhs.R_component_2(), rhs.R_component_3(), rhs.R_component_4()}}
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);
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}
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//
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// operator+
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// operator-
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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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operator+(sprout::math::quaternion<T> const& q) {
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return q;
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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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operator-(sprout::math::quaternion<T> const& q) {
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return sprout::math::quaternion<T>(-q.R_component_1(), -q.R_component_2(), -q.R_component_3(), -q.R_component_4());
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}
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//
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// operator==
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// operator!=
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//
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator==(T const& lhs, sprout::math::quaternion<T> const& rhs) {
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return rhs.R_component_1() == lhs
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&& rhs.R_component_2() == static_cast<T>(0)
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&& rhs.R_component_3() == static_cast<T>(0)
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&& rhs.R_component_4() == static_cast<T>(0)
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;
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}
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator==(sprout::math::quaternion<T> const& lhs, T const& rhs) {
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return lhs.R_component_1() == rhs
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&& lhs.R_component_2() == static_cast<T>(0)
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&& lhs.R_component_3() == static_cast<T>(0)
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&& lhs.R_component_4() == static_cast<T>(0)
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;
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}
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator==(sprout::complex<T> const& lhs, sprout::math::quaternion<T> const& rhs) {
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return rhs.R_component_1() == lhs.real()
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&& rhs.R_component_2() == lhs.imag()
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&& rhs.R_component_3() == static_cast<T>(0)
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&& rhs.R_component_4() == static_cast<T>(0)
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;
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}
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator==(sprout::math::quaternion<T> const& lhs, sprout::complex<T> const& rhs) {
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return lhs.R_component_1() == rhs.real()
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&& lhs.R_component_2() == rhs.imag()
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&& lhs.R_component_3() == static_cast<T>(0)
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&& lhs.R_component_4() == static_cast<T>(0)
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;
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}
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator==(sprout::math::quaternion<T> const& lhs, sprout::math::quaternion<T> const& rhs) {
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return rhs.R_component_1() == lhs.R_component_1()
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&& rhs.R_component_2() == lhs.R_component_2()
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&& rhs.R_component_3() == lhs.R_component_3()
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&& rhs.R_component_4() == lhs.R_component_4()
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;
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}
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#define SPROUT_QUATERNION_NOT_EQUAL_GENERATOR \
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{ \
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return !(lhs == rhs); \
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}
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator!=(T const& lhs, sprout::math::quaternion<T> const& rhs)
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SPROUT_QUATERNION_NOT_EQUAL_GENERATOR
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator!=(sprout::math::quaternion<T> const& lhs, T const& rhs)
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SPROUT_QUATERNION_NOT_EQUAL_GENERATOR
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator!=(sprout::complex<T> const& lhs, sprout::math::quaternion<T> const& rhs)
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SPROUT_QUATERNION_NOT_EQUAL_GENERATOR
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator!=(sprout::math::quaternion<T> const& lhs, sprout::complex<T> const& rhs)
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SPROUT_QUATERNION_NOT_EQUAL_GENERATOR
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template<typename T>
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inline SPROUT_CONSTEXPR bool
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operator!=(sprout::math::quaternion<T> const& lhs, sprout::math::quaternion<T> const& rhs)
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SPROUT_QUATERNION_NOT_EQUAL_GENERATOR
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#undef SPROUT_QUATERNION_NOT_EQUAL_GENERATOR
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//
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// operator<<
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// operator>>
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//
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template<typename T, typename Elem, typename Traits>
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inline SPROUT_NON_CONSTEXPR std::basic_ostream<Elem, Traits>&
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operator<<( std::basic_ostream<Elem, Traits>& lhs, sprout::math::quaternion<T> const& rhs) {
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std::basic_ostringstream<Elem, Traits> s;
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s.flags(lhs.flags());
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s.imbue(lhs.getloc());
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s.precision(lhs.precision());
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s
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<< '('
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<< rhs.R_component_1() << ','
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<< rhs.R_component_2() << ','
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<< rhs.R_component_3() << ','
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<< rhs.R_component_4()
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<< ')'
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;
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return lhs << s.str();
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}
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template<typename T, typename Elem, typename Traits>
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inline SPROUT_NON_CONSTEXPR std::basic_istream<Elem, Traits>&
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operator>>(std::basic_istream<Elem, Traits>& lhs, sprout::math::quaternion<T>& rhs) {
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std::ctype<Elem> const& ct = std::use_facet<std::ctype<Elem> >(lhs.getloc());
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T a = T();
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T b = T();
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T c = T();
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T d = T();
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sprout::complex<T> u = sprout::complex<T>();
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sprout::complex<T> v = sprout::complex<T>();
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Elem ch = Elem();
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|
char cc;
|
|
lhs >> ch;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
cc = ct.narrow(ch, char());
|
|
if (cc == '(') {
|
|
lhs >> ch;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
cc = ct.narrow(ch, char());
|
|
if (cc == '(') {
|
|
lhs.putback(ch);
|
|
lhs >> u;
|
|
a = u.real();
|
|
b = u.imag();
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
lhs >> ch;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
cc = ct.narrow(ch, char());
|
|
if (cc == ')') {
|
|
rhs = sprout::math::quaternion<T>(a, b);
|
|
} else if (cc == ',') {
|
|
lhs >> v;
|
|
c = v.real();
|
|
d = v.imag();
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
lhs >> ch;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
cc = ct.narrow(ch, char());
|
|
if (cc == ')') {
|
|
rhs = sprout::math::quaternion<T>(a, b, c, d);
|
|
} else {
|
|
lhs.setstate(std::ios_base::failbit);
|
|
}
|
|
} else {
|
|
lhs.setstate(std::ios_base::failbit);
|
|
}
|
|
} else {
|
|
lhs.putback(ch);
|
|
lhs >> a;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
lhs >> ch;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
cc = ct.narrow(ch, char());
|
|
if (cc == ')') {
|
|
rhs = sprout::math::quaternion<T>(a);
|
|
} else if (cc == ',') {
|
|
lhs >> ch;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
cc = ct.narrow(ch, char());
|
|
if (cc == '(') {
|
|
lhs.putback(ch);
|
|
lhs >> v;
|
|
c = v.real();
|
|
d = v.imag();
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
lhs >> ch;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
cc = ct.narrow(ch, char());
|
|
if (cc == ')') {
|
|
rhs = sprout::math::quaternion<T>(a, b, c, d);
|
|
} else {
|
|
lhs.setstate(std::ios_base::failbit);
|
|
}
|
|
} else {
|
|
lhs.putback(ch);
|
|
lhs >> b;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
lhs >> ch;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
cc = ct.narrow(ch, char());
|
|
if (cc == ')') {
|
|
rhs = sprout::math::quaternion<T>(a, b);
|
|
} else if (cc == ',') {
|
|
lhs >> c;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
lhs >> ch;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
cc = ct.narrow(ch, char());
|
|
if (cc == ')') {
|
|
rhs = sprout::math::quaternion<T>(a, b, c);
|
|
} else if (cc == ',') {
|
|
lhs >> d;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
lhs >> ch;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
cc = ct.narrow(ch, char());
|
|
if (cc == ')') {
|
|
rhs = sprout::math::quaternion<T>(a, b, c, d);
|
|
} else {
|
|
lhs.setstate(std::ios_base::failbit);
|
|
}
|
|
} else {
|
|
lhs.setstate(std::ios_base::failbit);
|
|
}
|
|
} else {
|
|
lhs.setstate(std::ios_base::failbit);
|
|
}
|
|
}
|
|
} else {
|
|
lhs.setstate(std::ios_base::failbit);
|
|
}
|
|
}
|
|
} else {
|
|
lhs.putback(ch);
|
|
lhs >> a;
|
|
if (!lhs.good()) {
|
|
goto finish;
|
|
}
|
|
rhs = sprout::math::quaternion<T>(a);
|
|
}
|
|
finish:
|
|
return lhs;
|
|
}
|
|
} // namespace math
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_MATH_QUATERNION_OPERATORS_HPP
|