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51 lines
1.0 KiB
51 lines
1.0 KiB
#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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