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Fix aliasing issue in sparse matrix assignment.

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(m=-m; or m=m.transpose(); with m sparse work again)
This commit is contained in:
Gael Guennebaud
2012-07-25 09:33:50 +02:00
parent 7b34b5f6f9
commit e75b1eb883
3 changed files with 26 additions and 11 deletions
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5
test/sparse_vector.cpp
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@@ -78,6 +78,11 @@ template<typename Scalar> void sparse_vector(int rows, int cols)
VERIFY_IS_APPROX(v1.squaredNorm(), refV1.squaredNorm());
// test aliasing
VERIFY_IS_APPROX((v1 = -v1), (refV1 = -refV1));
VERIFY_IS_APPROX((v1 = v1.transpose()), (refV1 = refV1.transpose().eval()));
VERIFY_IS_APPROX((v1 += -v1), (refV1 += -refV1));
}
void test_sparse_vector()