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author | Christoph Hertzberg <chtz@informatik.uni-bremen.de> | 2013-03-17 13:55:31 +0100 |
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committer | Christoph Hertzberg <chtz@informatik.uni-bremen.de> | 2013-03-17 13:55:31 +0100 |
commit | 6357fd68da62bafe2459fe7c4c07c7dd8d360acf (patch) | |
tree | c0814bcc416b6a162487e34a936f05afdcd3e9eb /unsupported/test/kronecker_product.cpp | |
parent | f8addac4e19b1395c5ceb9c2fe47e39bca730c42 (diff) |
Patch by Kolja Brix <brix@igpm.rwth-aachen.de> that fixes bug #565 and adds a testcase to verify that.
Diffstat (limited to 'unsupported/test/kronecker_product.cpp')
-rw-r--r-- | unsupported/test/kronecker_product.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/unsupported/test/kronecker_product.cpp b/unsupported/test/kronecker_product.cpp index 9f2915ecf..108bf6fde 100644 --- a/unsupported/test/kronecker_product.cpp +++ b/unsupported/test/kronecker_product.cpp @@ -86,28 +86,36 @@ void check_sparse_kronecker_product(const MatrixType& ab) void test_kronecker_product() { // DM = dense matrix; SM = sparse matrix + Matrix<double, 2, 3> DM_a; - MatrixXd DM_b(3,2); SparseMatrix<double> SM_a(2,3); - SparseMatrix<double> SM_b(3,2); SM_a.insert(0,0) = DM_a.coeffRef(0,0) = -0.4461540300782201; SM_a.insert(0,1) = DM_a.coeffRef(0,1) = -0.8057364375283049; SM_a.insert(0,2) = DM_a.coeffRef(0,2) = 0.3896572459516341; SM_a.insert(1,0) = DM_a.coeffRef(1,0) = -0.9076572187376921; SM_a.insert(1,1) = DM_a.coeffRef(1,1) = 0.6469156566545853; SM_a.insert(1,2) = DM_a.coeffRef(1,2) = -0.3658010398782789; + + MatrixXd DM_b(3,2); + SparseMatrix<double> SM_b(3,2); SM_b.insert(0,0) = DM_b.coeffRef(0,0) = 0.9004440976767099; SM_b.insert(0,1) = DM_b.coeffRef(0,1) = -0.2368830858139832; SM_b.insert(1,0) = DM_b.coeffRef(1,0) = -0.9311078389941825; SM_b.insert(1,1) = DM_b.coeffRef(1,1) = 0.5310335762980047; SM_b.insert(2,0) = DM_b.coeffRef(2,0) = -0.1225112806872035; SM_b.insert(2,1) = DM_b.coeffRef(2,1) = 0.5903998022741264; + SparseMatrix<double,RowMajor> SM_row_a(SM_a), SM_row_b(SM_b); // test kroneckerProduct(DM_block,DM,DM_fixedSize) Matrix<double, 6, 6> DM_fix_ab = kroneckerProduct(DM_a.topLeftCorner<2,3>(),DM_b); + CALL_SUBTEST(check_kronecker_product(DM_fix_ab)); + for(unsigned int i=0;i<DM_fix_ab.rows();++i) + for(unsigned int j=0;j<DM_fix_ab.cols();++j) + VERIFY_IS_APPROX(kroneckerProduct(DM_a,DM_b).coeff(i,j), DM_fix_ab(i,j)); + // test kroneckerProduct(DM,DM,DM_block) MatrixXd DM_block_ab(10,15); DM_block_ab.block<6,6>(2,5) = kroneckerProduct(DM_a,DM_b); @@ -152,6 +160,7 @@ void test_kronecker_product() SM_a.insert(0,3) = -0.2; SM_a.insert(2,4) = 0.3; SM_a.finalize(); + SM_b.insert(0,0) = 0.4; SM_b.insert(2,1) = -0.5; SM_b.finalize(); |