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;
}