93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2011-2016 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_VECTOR_HPP
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#define __UTIL_VECTOR_HPP
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#include "coord.hpp"
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#include "json/fwd.hpp"
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namespace util {
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template <size_t S, typename T>
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struct vector : public coord::base<S,T,vector,coord::xyzw,coord::stpq>
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{
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using coord::base<S,T,util::vector,coord::xyzw,coord::stpq>::base;
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// representations
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template <size_t D> vector<D,T> homog (void) const;
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// constants
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static constexpr vector<S,T> ones (void);
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static constexpr vector<S,T> zeros (void);
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void sanity (void) const;
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};
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template <typename T>
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constexpr
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vector<3,T>
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cross (vector<3,T>, vector<3,T>);
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template <typename T>
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constexpr
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T
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cross (vector<2,T>, vector<2,T>);
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// polar/cartesian conversions; assumes (mag, angle) form.
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template <typename T> vector<2,T> polar_to_cartesian (vector<2,T>);
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template <typename T> vector<2,T> cartesian_to_polar (vector<2,T>);
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template <typename T> vector<3,T> spherical_to_cartesian (vector<3,T>);
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template <typename T> vector<3,T> cartesian_to_spherical (vector<3,T>);
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template <typename T> vector<2,T> to_euler (vector<3,T>);
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template <typename T> vector<3,T> from_euler (vector<2,T>);
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// output and serialisation operators
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template <size_t S, typename T>
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const json::tree::node&
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operator>> (const json::tree::node&, vector<S,T>&);
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template <typename T> using vector2 = vector<2,T>;
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template <typename T> using vector3 = vector<3,T>;
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template <typename T> using vector4 = vector<4,T>;
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template <size_t S> using vectoru = vector<S,unsigned>;
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template <size_t S> using vectori = vector<S,int>;
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template <size_t S> using vectorf = vector<S,float>;
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typedef vector2<unsigned> vector2u;
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typedef vector3<unsigned> vector3u;
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typedef vector4<unsigned> vector4u;
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typedef vector2<int> vector2i;
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typedef vector3<int> vector3i;
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typedef vector4<int> vector4i;
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typedef vector2<float> vector2f;
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typedef vector3<float> vector3f;
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typedef vector4<float> vector4f;
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typedef vector2<double> vector2d;
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typedef vector3<double> vector3d;
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typedef vector4<double> vector4d;
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}
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#include "vector.ipp"
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#endif
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