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make ColPivotingQR use HouseholderSequence

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This commit is contained in:
Gael Guennebaud
2009-09-16 15:56:20 +02:00
parent 49dd5d7847
commit 24950bdfcb
6 changed files with 68 additions and 62 deletions
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8
test/qr_colpivoting.cpp
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@@ -42,18 +42,18 @@ template<typename MatrixType> void qr()
VERIFY(!qr.isInjective());
VERIFY(!qr.isInvertible());
VERIFY(!qr.isSurjective());
MatrixType r = qr.matrixQR();
// FIXME need better way to construct trapezoid
for(int i = 0; i < rows; i++) for(int j = 0; j < cols; j++) if(i>j) r(i,j) = Scalar(0);
MatrixType b = qr.matrixQ() * r;
MatrixType c = MatrixType::Zero(rows,cols);
for(int i = 0; i < cols; ++i) c.col(qr.colsPermutation().coeff(i)) = b.col(i);
VERIFY_IS_APPROX(m1, c);
MatrixType m2 = MatrixType::Random(cols,cols2);
MatrixType m3 = m1*m2;
m2 = MatrixType::Random(cols,cols2);

8
test/qr_fullpivoting.cpp
View File

@@ -46,14 +46,14 @@ template<typename MatrixType> void qr()
MatrixType r = qr.matrixQR();
// FIXME need better way to construct trapezoid
for(int i = 0; i < rows; i++) for(int j = 0; j < cols; j++) if(i>j) r(i,j) = Scalar(0);
MatrixType b = qr.matrixQ() * r;
MatrixType c = MatrixType::Zero(rows,cols);
for(int i = 0; i < cols; ++i) c.col(qr.colsPermutation().coeff(i)) = b.col(i);
VERIFY_IS_APPROX(m1, c);
MatrixType m2 = MatrixType::Random(cols,cols2);
MatrixType m3 = m1*m2;
m2 = MatrixType::Random(cols,cols2);
@@ -88,7 +88,7 @@ template<typename MatrixType> void qr_invertible()
m3 = MatrixType::Random(size,size);
VERIFY(qr.solve(m3, &m2));
VERIFY_IS_APPROX(m3, m1*m2);
// now construct a matrix with prescribed determinant
m1.setZero();
for(int i = 0; i < size; i++) m1(i,i) = ei_random<Scalar>();