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Patch by Gael Guennebaud: unify fixed-size and dynamic-size Block

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expressions, update documentation.
This commit is contained in:
Benoit Jacob
2008-02-29 13:56:40 +00:00
parent b3268a6e2f
commit f12e9c53ac
9 changed files with 96 additions and 45 deletions
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16
test/submatrices.cpp
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@@ -29,7 +29,7 @@ namespace Eigen {
template<typename MatrixType> void submatrices(const MatrixType& m)
{
/* this test covers the following files:
Row.h Column.h FixedBlock.h Block.h Minor.h DiagonalCoeffs.h
Row.h Column.h Block.h Minor.h DiagonalCoeffs.h
*/
typedef typename MatrixType::Scalar Scalar;
@@ -103,17 +103,17 @@ void EigenTest::testSubmatrices()
submatrices(MatrixXi(8, 12));
submatrices(MatrixXcd(20, 20));
// test fixedBlock() separately as it is a template method so doesn't support
// test fixed block() separately as it is a template method so doesn't support
// being called as a member of a class that is itself a template parameter
// (at least as of g++ 4.2)
Matrix<float, 6, 8> m = Matrix<float, 6, 8>::random();
float s = ei_random<float>();
// test fixedBlock() as lvalue
m.fixedBlock<2,5>(1,1) *= s;
// test operator() on fixedBlock() both as constant and non-constant
m.fixedBlock<2,5>(1,1)(0, 3) = m.fixedBlock<2,5>(1,1)(1,2);
// check that fixedBlock() and block() agree
MatrixXf b = m.fixedBlock<3,2>(3,3);
// test fixed block() as lvalue
m.block<2,5>(1,1) *= s;
// test operator() on fixed block() both as constant and non-constant
m.block<2,5>(1,1)(0, 3) = m.block<2,5>(1,1)(1,2);
// check that fixed block() and block() agree
MatrixXf b = m.block<3,2>(3,3);
VERIFY_IS_APPROX(b, m.block(3,3,3,2));
}
}