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220 lines
8.3 KiB
C++
220 lines
8.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2008-08-03
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// Updated : 2008-09-09
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// Licence : This source is under MIT License
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// File : glm/core/func_vector_relational.hpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef glm_core_func_vector_relational
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#define glm_core_func_vector_relational
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#include "_detail.hpp"
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namespace glm
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{
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namespace test{
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void main_core_func_vector_relational();
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}//namespace test
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namespace core{
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namespace function{
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//! Define vector relational functions from Section 8.6 of GLSL 1.30.8 specification.
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//! Included in glm namespace.
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namespace vector_relational
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{
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/// \addtogroup core_funcs
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///@{
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//! Returns the component-wise comparison result of x < y.
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//!
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//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/lessThan.xml">GLSL lessThan man page</a>
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//! \li GLSL 1.30.08 specification, section 8.6
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template <typename T, template <typename> class vecType>
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inline typename vecType<T>::bool_type lessThan
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(
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vecType<T> const & x,
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vecType<T> const & y
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)
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{
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GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
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"Invalid template instantiation of 'lessThan', GLM vector types required");
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GLM_STATIC_ASSERT(detail::is_bool<T>::_NO,
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"Invalid template instantiation of 'lessThan', GLM vector types required floating-point or integer value types vectors");
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typename vecType<bool>::bool_type Result(vecType<bool>::null);
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for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
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Result[i] = x[i] < y[i];
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return Result;
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}
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//! Returns the component-wise comparison of result x <= y.
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//!
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//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/lessThanEqual.xml">GLSL lessThanEqual man page</a>
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//! \li GLSL 1.30.08 specification, section 8.6
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template <typename T, template <typename> class vecType>
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inline typename vecType<T>::bool_type lessThanEqual
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(
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vecType<T> const & x,
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vecType<T> const & y
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)
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{
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GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
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"Invalid template instantiation of 'lessThanEqual', GLM vector types required");
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GLM_STATIC_ASSERT(detail::is_bool<T>::_NO,
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"Invalid template instantiation of 'lessThanEqual', GLM vector types required floating-point or integer value types vectors");
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typename vecType<bool>::bool_type Result(vecType<bool>::null);
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for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
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Result[i] = x[i] <= y[i];
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return Result;
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}
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//! Returns the component-wise comparison of result x > y.
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//!
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//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/greaterThan.xml">GLSL greaterThan man page</a>
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//! \li GLSL 1.30.08 specification, section 8.6
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template <typename T, template <typename> class vecType>
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inline typename vecType<T>::bool_type greaterThan
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(
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vecType<T> const & x,
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vecType<T> const & y
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)
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{
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GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
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"Invalid template instantiation of 'greaterThan', GLM vector types required");
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GLM_STATIC_ASSERT(detail::is_bool<T>::_NO,
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"Invalid template instantiation of 'greaterThan', GLM vector types required floating-point or integer value types vectors");
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typename vecType<bool>::bool_type Result(vecType<bool>::null);
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for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
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Result[i] = x[i] > y[i];
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return Result;
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}
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//! Returns the component-wise comparison of result x >= y.
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//!
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//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/greaterThanEqual.xml">GLSL greaterThanEqual man page</a>
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//! \li GLSL 1.30.08 specification, section 8.6
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template <typename T, template <typename> class vecType>
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inline typename vecType<T>::bool_type greaterThanEqual
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(
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vecType<T> const & x,
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vecType<T> const & y
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)
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{
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GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
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"Invalid template instantiation of 'greaterThanEqual', GLM vector types required");
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GLM_STATIC_ASSERT(detail::is_bool<T>::_NO,
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"Invalid template instantiation of 'greaterThanEqual', GLM vector types required floating-point or integer value types vectors");
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typename vecType<bool>::bool_type Result(vecType<bool>::null);
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for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
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Result[i] = x[i] >= y[i];
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return Result;
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}
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//! Returns the component-wise comparison of result x == y.
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//!
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//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/equal.xml">GLSL equal man page</a>
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//! \li GLSL 1.30.08 specification, section 8.6
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template <typename T, template <typename> class vecType>
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inline typename vecType<T>::bool_type equal
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(
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vecType<T> const & x,
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vecType<T> const & y
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)
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{
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GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
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"Invalid template instantiation of 'equal', GLM vector types required");
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typename vecType<bool>::bool_type Result(vecType<bool>::null);
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for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
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Result[i] = x[i] == y[i];
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return Result;
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}
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//! Returns the component-wise comparison of result x != y.
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//!
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//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/notEqual.xml">GLSL notEqual man page</a>
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//! \li GLSL 1.30.08 specification, section 8.6
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template <typename T, template <typename> class vecType>
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inline typename vecType<T>::bool_type notEqual
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(
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vecType<T> const & x,
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vecType<T> const & y
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)
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{
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GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES,
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"Invalid template instantiation of 'notEqual', GLM vector types required");
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typename vecType<bool>::bool_type Result(vecType<bool>::null);
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for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
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Result[i] = x[i] != y[i];
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return Result;
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}
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//! Returns true if any component of x is true.
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//!
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//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/any.xml">GLSL any man page</a>
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//! \li GLSL 1.30.08 specification, section 8.6
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template <template <typename> class vecType>
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inline bool any(vecType<bool> const & v)
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{
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GLM_STATIC_ASSERT(detail::is_vector<vecType<bool> >::_YES,
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"Invalid template instantiation of 'any', GLM boolean vector types required");
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bool Result = false;
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for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
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Result = Result || v[i];
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return Result;
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}
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//! Returns true if all components of x are true.
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//!
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//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/all.xml">GLSL all man page</a>
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//! \li GLSL 1.30.08 specification, section 8.6
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template <template <typename> class vecType>
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inline bool all(vecType<bool> const & v)
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{
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GLM_STATIC_ASSERT(detail::is_vector<vecType<bool> >::_YES,
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"Invalid template instantiation of 'all', GLM boolean vector types required");
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bool Result = true;
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for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
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Result = Result && v[i];
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return Result;
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}
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//! Returns the component-wise logical complement of x.
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//! /!\ Because of language incompatibilities between C++ and GLSL, GLM defines the function not but not_ instead.
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//!
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//! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/not.xml">GLSL not man page</a>
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//! \li GLSL 1.30.08 specification, section 8.6
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template <template <typename> class vecType>
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inline vecType<bool> not_(vecType<bool> const & v)
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{
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GLM_STATIC_ASSERT(detail::is_vector<vecType<bool> >::_YES,
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"Invalid template instantiation of 'not_', GLM vector types required");
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typename vecType<bool>::bool_type Result(vecType<bool>::null);
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for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
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Result[i] = !v[i];
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return Result;
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}
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///@}
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}//namespace vector_relational
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}//namespace function
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}//namespace core
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using namespace core::function::vector_relational;
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}//namespace glm
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#include "func_vector_relational.inl"
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#endif//glm_core_func_vector_relational
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