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Fix 4x4 inverse via SSE for submatrices

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This commit is contained in:
Gael Guennebaud
2014-07-31 16:24:29 +02:00
parent db183ca7b3
commit 26d2cdefd4
3 changed files with 19 additions and 8 deletions
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8
test/inverse.cpp
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@@ -68,6 +68,14 @@ template<typename MatrixType> void inverse(const MatrixType& m)
VERIFY_IS_MUCH_SMALLER_THAN(abs(det-m3.determinant()), RealScalar(1));
m3.computeInverseWithCheck(m4, invertible);
VERIFY( rows==1 ? invertible : !invertible );
// check with submatrices
{
Matrix<Scalar, MatrixType::RowsAtCompileTime+1, MatrixType::RowsAtCompileTime+1, MatrixType::Options> m3;
m3.setRandom();
m2 = m3.template topLeftCorner<MatrixType::RowsAtCompileTime,MatrixType::ColsAtCompileTime>().inverse();
VERIFY_IS_APPROX( (m3.template topLeftCorner<MatrixType::RowsAtCompileTime,MatrixType::ColsAtCompileTime>()), m2.inverse() );
}
#endif
// check in-place inversion