std::string ToString<glm::mat4>(const glm::mat4& val) { std::string matstr = "\nmat4="; for (unsigned int f = 0; f < (unsigned int)val.length(); f++) matstr += std::string("\nm[") + ToString(f) + std::string("] = ") + ToString(val[f]); return matstr; }
int test_affine() { int Error = 0; { glm::mat3 const M( 2.f, 0.f, 0.f, 0.f, 2.f, 0.f, 0.f, 0.f, 1.f); glm::mat3 const A = glm::affineInverse(M); glm::mat3 const I = glm::inverse(M); glm::mat3 const R = glm::affineInverse(A); for(glm::length_t i = 0; i < A.length(); ++i) { Error += glm::all(glm::epsilonEqual(M[i], R[i], 0.01f)) ? 0 : 1; Error += glm::all(glm::epsilonEqual(A[i], I[i], 0.01f)) ? 0 : 1; } } { glm::mat4 const M( 2.f, 0.f, 0.f, 0.f, 0.f, 2.f, 0.f, 0.f, 0.f, 0.f, 2.f, 0.f, 0.f, 0.f, 0.f, 1.f); glm::mat4 const A = glm::affineInverse(M); glm::mat4 const I = glm::inverse(M); glm::mat4 const R = glm::affineInverse(A); for(glm::length_t i = 0; i < A.length(); ++i) { Error += glm::all(glm::epsilonEqual(M[i], R[i], 0.01f)) ? 0 : 1; Error += glm::all(glm::epsilonEqual(A[i], I[i], 0.01f)) ? 0 : 1; } } return Error; }