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Merge pull request #1047 from gottfriedleibniz/patch/is_identity

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fix: isIdentity for non-symmetric matrices #1047
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Christophe 2020-12-27 16:26:39 +01:00 committed by GitHub
commit 3a25105d86
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1 changed files with 4 additions and 4 deletions
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8
glm/gtx/matrix_query.inl
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@ -33,13 +33,13 @@ namespace glm
GLM_FUNC_QUALIFIER bool isIdentity(mat<C, R, T, Q> const& m, T const& epsilon)
{
bool result = true;
for(length_t i = 0; result && i < m[0].length() ; ++i)
for(length_t i = 0; result && i < m.length(); ++i)
{
for(length_t j = 0; result && j < i ; ++j)
for(length_t j = 0; result && j < glm::min(i, m[0].length()); ++j)
result = abs(m[i][j]) <= epsilon;
if(result)
if(result && i < m[0].length())
result = abs(m[i][i] - 1) <= epsilon;
for(length_t j = i + 1; result && j < m.length(); ++j)
for(length_t j = i + 1; result && j < m[0].length(); ++j)
result = abs(m[i][j]) <= epsilon;
}
return result;