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88 lines
3.1 KiB
88 lines
3.1 KiB
/////////////////////////////////////////////////////////////////////////////////// |
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/// OpenGL Mathematics (glm.g-truc.net) |
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/// |
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/// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net) |
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/// Permission is hereby granted, free of charge, to any person obtaining a copy |
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/// of this software and associated documentation files (the "Software"), to deal |
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/// in the Software without restriction, including without limitation the rights |
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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/// copies of the Software, and to permit persons to whom the Software is |
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/// furnished to do so, subject to the following conditions: |
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/// |
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/// The above copyright notice and this permission notice shall be included in |
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/// all copies or substantial portions of the Software. |
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/// |
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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/// THE SOFTWARE. |
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/// |
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/// @ref gtx_range |
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/// @file glm/gtx/range.hpp |
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/// @date 2014-09-19 / 2014-09-19 |
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/// @author Joshua Moerman |
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/// |
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/// @brief Defines begin and end for vectors and matrices. Useful for range-based for loop. |
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/// The range is defined over the elements, not over columns or rows (e.g. mat4 has 16 elements). |
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/// |
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/////////////////////////////////////////////////////////////////////////////////// |
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#pragma once |
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#include "../detail/setup.hpp" |
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#if !GLM_HAS_RANGE_FOR |
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# error "GLM_GTX_range requires C++11 suppport or 'range for'" |
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#endif |
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#include "../gtc/type_ptr.hpp" |
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namespace glm{ |
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namespace detail |
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{ |
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/* The glm types provide a .length() member, but for matrices |
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this only defines the number of columns, so we need to work around this */ |
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template <typename T, precision P> |
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detail::component_count_t number_of_elements_(tvec2<T, P> const & v){ |
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return detail::component_count(v); |
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} |
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template <typename T, precision P> |
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detail::component_count_t number_of_elements_(tvec3<T, P> const & v){ |
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return detail::component_count(v); |
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} |
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template <typename T, precision P> |
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detail::component_count_t number_of_elements_(tvec4<T, P> const & v){ |
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return detail::component_count(v); |
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} |
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template <typename genType> |
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detail::component_count_t number_of_elements_(genType const & m){ |
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return detail::component_count(m) * detail::component_count(m[0]); |
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} |
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}//namespace |
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template <typename genType> |
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const typename genType::value_type * begin(genType const & v){ |
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return value_ptr(v); |
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} |
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template <typename genType> |
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const typename genType::value_type * end(genType const & v){ |
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return begin(v) + detail::number_of_elements_(v); |
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} |
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template <typename genType> |
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typename genType::value_type * begin(genType& v){ |
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return value_ptr(v); |
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} |
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template <typename genType> |
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typename genType::value_type * end(genType& v){ |
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return begin(v) + detail::number_of_elements_(v); |
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} |
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}//namespace glm
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