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fix sparse vector assignment from a sparse matrix

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(transplanted from 98ce4455dd
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This commit is contained in:
Gael Guennebaud
2013-03-06 11:58:22 +01:00
parent 2674a31421
commit e304a92f41
4 changed files with 52 additions and 3 deletions
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21
test/sparse_product.cpp
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@@ -46,8 +46,10 @@ template<typename SparseMatrixType> void sparse_product()
double density = (std::max)(8./(rows*cols), 0.01);
typedef Matrix<Scalar,Dynamic,Dynamic> DenseMatrix;
typedef Matrix<Scalar,Dynamic,1> DenseVector;
Scalar s1 = internal::random<Scalar>();
typedef Matrix<Scalar,1,Dynamic> RowDenseVector;
typedef SparseVector<Scalar,0,Index> ColSpVector;
typedef SparseVector<Scalar,RowMajor,Index> RowSpVector;Scalar s1 = internal::random<Scalar>();
Scalar s2 = internal::random<Scalar>();
// test matrix-matrix product
@@ -117,6 +119,21 @@ template<typename SparseMatrixType> void sparse_product()
test_outer<SparseMatrixType,DenseMatrix>::run(m2,m4,refMat2,refMat4);
VERIFY_IS_APPROX(m6=m6*m6, refMat6=refMat6*refMat6);
// sparse matrix * sparse vector
ColSpVector cv0(cols), cv1;
DenseVector dcv0(cols), dcv1;
initSparse(2*density,dcv0, cv0);
RowSpVector rv0(depth), rv1;
RowDenseVector drv0(depth), drv1(rv1);
initSparse(2*density,drv0, rv0);
VERIFY_IS_APPROX(cv1=rv0*m3, dcv1=drv0*refMat3);
VERIFY_IS_APPROX(rv1=rv0*m3, drv1=drv0*refMat3);
VERIFY_IS_APPROX(cv1=m3*cv0, dcv1=refMat3*dcv0);
VERIFY_IS_APPROX(cv1=m3t.adjoint()*cv0, dcv1=refMat3t.adjoint()*dcv0);
VERIFY_IS_APPROX(rv1=m3*cv0, drv1=refMat3*dcv0);
}
// test matrix - diagonal product