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83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2015 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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/// Restrictions:
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/// By making use of the Software for military purposes, you choose to make
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/// a Bunny unhappy.
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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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/// @file test/gtc/gtc_matrix_inverse.cpp
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/// @date 2010-09-16 / 2014-11-25
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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#include <glm/gtc/matrix_inverse.hpp>
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#include <glm/gtc/epsilon.hpp>
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int test_affine()
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{
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int Error = 0;
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{
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glm::mat3 const M(
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2.f, 0.f, 0.f,
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0.f, 2.f, 0.f,
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0.f, 0.f, 1.f);
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glm::mat3 const A = glm::affineInverse(M);
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glm::mat3 const I = glm::inverse(M);
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glm::mat3 const R = glm::affineInverse(A);
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for(glm::length_t i = 0; i < A.length(); ++i)
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{
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Error += glm::all(glm::epsilonEqual(M[i], R[i], 0.01f)) ? 0 : 1;
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Error += glm::all(glm::epsilonEqual(A[i], I[i], 0.01f)) ? 0 : 1;
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}
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}
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{
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glm::mat4 const M(
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2.f, 0.f, 0.f, 0.f,
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0.f, 2.f, 0.f, 0.f,
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0.f, 0.f, 2.f, 0.f,
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0.f, 0.f, 0.f, 1.f);
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glm::mat4 const A = glm::affineInverse(M);
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glm::mat4 const I = glm::inverse(M);
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glm::mat4 const R = glm::affineInverse(A);
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for(glm::length_t i = 0; i < A.length(); ++i)
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{
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Error += glm::all(glm::epsilonEqual(M[i], R[i], 0.01f)) ? 0 : 1;
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Error += glm::all(glm::epsilonEqual(A[i], I[i], 0.01f)) ? 0 : 1;
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}
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}
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return Error;
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}
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int main()
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{
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int Error = 0;
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Error += test_affine();
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return Error;
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}
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