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git-subtree-dir: external/glm git-subtree-split: bf71a834948186f4097caa076cd2663c69a10e1e
99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
/// @ref gtx_range
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/// @file glm/gtx/range.hpp
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/// @author Joshua Moerman
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///
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/// @defgroup gtx_range GLM_GTX_range
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/// @ingroup gtx
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///
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/// Include <glm/gtx/range.hpp> to use the features of this extension.
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///
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/// 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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#pragma once
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// Dependencies
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#include "../detail/setup.hpp"
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#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
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# ifndef GLM_ENABLE_EXPERIMENTAL
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# pragma message("GLM: GLM_GTX_range is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it.")
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# else
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# pragma message("GLM: GLM_GTX_range extension included")
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# endif
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#endif
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#include "../gtc/type_ptr.hpp"
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#include "../gtc/vec1.hpp"
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namespace glm
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{
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/// @addtogroup gtx_range
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/// @{
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# if GLM_COMPILER & GLM_COMPILER_VC
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# pragma warning(push)
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# pragma warning(disable : 4100) // unreferenced formal parameter
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# endif
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template<typename T, qualifier Q>
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inline length_t components(vec<1, T, Q> const& v)
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{
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return v.length();
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}
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template<typename T, qualifier Q>
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inline length_t components(vec<2, T, Q> const& v)
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{
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return v.length();
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}
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template<typename T, qualifier Q>
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inline length_t components(vec<3, T, Q> const& v)
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{
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return v.length();
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}
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template<typename T, qualifier Q>
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inline length_t components(vec<4, T, Q> const& v)
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{
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return v.length();
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}
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template<typename genType>
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inline length_t components(genType const& m)
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{
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return m.length() * m[0].length();
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}
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template<typename genType>
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inline typename genType::value_type const * begin(genType const& v)
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{
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return value_ptr(v);
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}
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template<typename genType>
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inline typename genType::value_type const * end(genType const& v)
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{
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return begin(v) + components(v);
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}
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template<typename genType>
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inline typename genType::value_type * begin(genType& v)
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{
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return value_ptr(v);
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}
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template<typename genType>
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inline typename genType::value_type * end(genType& v)
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{
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return begin(v) + components(v);
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}
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# if GLM_COMPILER & GLM_COMPILER_VC
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# pragma warning(pop)
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# endif
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/// @}
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}//namespace glm
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