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add regression test for aliasing in product rewritting

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Gael Guennebaud 2017-06-09 12:54:40 +02:00
parent 8640093af1
commit 723a59ac26
1 changed files with 2 additions and 0 deletions
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2
test/product.h
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@ -216,6 +216,8 @@ template<typename MatrixType> void product(const MatrixType& m)
// CwiseBinaryOp // CwiseBinaryOp
VERIFY_IS_APPROX(x = y + A*x, A*z); VERIFY_IS_APPROX(x = y + A*x, A*z);
x = z; x = z;
VERIFY_IS_APPROX(x = y - A*x, A*(-z));
x = z;
// CwiseUnaryOp // CwiseUnaryOp
VERIFY_IS_APPROX(x = Scalar(1.)*(A*x), A*z); VERIFY_IS_APPROX(x = Scalar(1.)*(A*x), A*z);
} }