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Merge pull request #1047 from gottfriedleibniz/patch/is_identity
fix: isIdentity for non-symmetric matrices #1047
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commit
3a25105d86
@ -33,13 +33,13 @@ namespace glm
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GLM_FUNC_QUALIFIER bool isIdentity(mat<C, R, T, Q> const& m, T const& epsilon)
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GLM_FUNC_QUALIFIER bool isIdentity(mat<C, R, T, Q> const& m, T const& epsilon)
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{
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{
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bool result = true;
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bool result = true;
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for(length_t i = 0; result && i < m[0].length() ; ++i)
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for(length_t i = 0; result && i < m.length(); ++i)
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{
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{
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for(length_t j = 0; result && j < i ; ++j)
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for(length_t j = 0; result && j < glm::min(i, m[0].length()); ++j)
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result = abs(m[i][j]) <= epsilon;
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result = abs(m[i][j]) <= epsilon;
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if(result)
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if(result && i < m[0].length())
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result = abs(m[i][i] - 1) <= epsilon;
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result = abs(m[i][i] - 1) <= epsilon;
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for(length_t j = i + 1; result && j < m.length(); ++j)
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for(length_t j = i + 1; result && j < m[0].length(); ++j)
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result = abs(m[i][j]) <= epsilon;
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result = abs(m[i][j]) <= epsilon;
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}
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}
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return result;
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return result;
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