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89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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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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