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Add aliasing unit tests

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This commit is contained in:
Gael Guennebaud
2016-01-08 22:36:23 +01:00
parent 2ee4b8e945
commit c47fb1f35f
3 changed files with 50 additions and 3 deletions
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9
test/product_notemporary.cpp
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@@ -58,10 +58,19 @@ template<typename MatrixType> void product_notemporary(const MatrixType& m)
r1 = internal::random<Index>(8,rows-r0);
VERIFY_EVALUATION_COUNT( m3 = (m1 * m2.adjoint()), 1);
VERIFY_EVALUATION_COUNT( m3 = (m1 * m2.adjoint()).transpose(), 1);
VERIFY_EVALUATION_COUNT( m3.noalias() = m1 * m2.adjoint(), 0);
VERIFY_EVALUATION_COUNT( m3 = s1 * (m1 * m2.transpose()), 1);
VERIFY_EVALUATION_COUNT( m3 = m3 + s1 * (m1 * m2.transpose()), 1);
VERIFY_EVALUATION_COUNT( m3.noalias() = s1 * (m1 * m2.transpose()), 0);
VERIFY_EVALUATION_COUNT( m3 = m3 + (m1 * m2.adjoint()), 1);
VERIFY_EVALUATION_COUNT( m3 = m3 + (m1 * m2.adjoint()).transpose(), 1);
VERIFY_EVALUATION_COUNT( m3.noalias() = m3 + m1 * m2.transpose(), 1); // 0 in 3.3
VERIFY_EVALUATION_COUNT( m3.noalias() += m3 + m1 * m2.transpose(), 1); // 0 in 3.3
VERIFY_EVALUATION_COUNT( m3.noalias() -= m3 + m1 * m2.transpose(), 1); // 0 in 3.3
VERIFY_EVALUATION_COUNT( m3.noalias() = s1 * m1 * s2 * m2.adjoint(), 0);
VERIFY_EVALUATION_COUNT( m3.noalias() = s1 * m1 * s2 * (m1*s3+m2*s2).adjoint(), 1);
VERIFY_EVALUATION_COUNT( m3.noalias() = (s1 * m1).adjoint() * s2 * m2, 0);