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bug #985: RealQZ failed when either matrix had zero rows or columns (report and patch by Ben Goodrich)

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Also added a regression test
This commit is contained in:
Christoph Hertzberg
2015-03-30 23:56:20 +02:00
parent 58af8bf90c
commit 1efae98fee
2 changed files with 22 additions and 6 deletions
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16
test/real_qz.cpp
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@@ -25,6 +25,22 @@ template<typename MatrixType> void real_qz(const MatrixType& m)
MatrixType A = MatrixType::Random(dim,dim),
B = MatrixType::Random(dim,dim);
// Regression test for bug 985: Randomly set rows or columns to zero
Index k=internal::random<int>(0, dim-1);
switch(internal::random<int>(0,10)) {
case 0:
A.row(k).setZero(); break;
case 1:
A.col(k).setZero(); break;
case 2:
B.row(k).setZero(); break;
case 3:
B.col(k).setZero(); break;
default:
break;
}
RealQZ<MatrixType> qz(A,B);
VERIFY_IS_EQUAL(qz.info(), Success);