123     DenseMatrix refMat2 = DenseMatrix::Zero(rows, cols);  in sparse_block()  local
125     initSparse<Scalar>(density, refMat2, m2);  in sparse_block()
131     VERIFY_IS_APPROX(m2.innerVector(j0), innervec(refMat2,j0));  in sparse_block()
132 …VERIFY_IS_APPROX(m2.innerVector(j0)+m2.innerVector(j1), innervec(refMat2,j0)+innervec(refMat2,j1));  in sparse_block()
135     innervec(refMat2,j0) *= Scalar(2);  in sparse_block()
136     VERIFY_IS_APPROX(m2, refMat2);  in sparse_block()
139     refMat2.row(r0) *= Scalar(3);  in sparse_block()
140     VERIFY_IS_APPROX(m2, refMat2);  in sparse_block()
143     refMat2.col(c0) *= Scalar(4);  in sparse_block()
144     VERIFY_IS_APPROX(m2, refMat2);  in sparse_block()
147     refMat2.row(r0) /= Scalar(3);  in sparse_block()
148     VERIFY_IS_APPROX(m2, refMat2);  in sparse_block()
151     refMat2.col(c0) /= Scalar(4);  in sparse_block()
152     VERIFY_IS_APPROX(m2, refMat2);  in sparse_block()
155     VERIFY_IS_APPROX(v1 = m2.col(c0) * 4, refMat2.col(c0)*4);  in sparse_block()
156     VERIFY_IS_APPROX(v1 = m2.row(r0) * 4, refMat2.row(r0).transpose()*4);  in sparse_block()
186     DenseMatrix refMat2 = DenseMatrix::Zero(rows, cols);  in sparse_block()  local
188     initSparse<Scalar>(density, refMat2, m2);  in sparse_block()
194       VERIFY_IS_APPROX(m2.innerVectors(j0,n0), refMat2.block(j0,0,n0,cols));  in sparse_block()
196       VERIFY_IS_APPROX(m2.innerVectors(j0,n0), refMat2.block(0,j0,rows,n0));  in sparse_block()
199                        refMat2.middleRows(j0,n0)+refMat2.middleRows(j1,n0));  in sparse_block()
202                       refMat2.block(0,j0,rows,n0)+refMat2.block(0,j1,rows,n0));  in sparse_block()
204     VERIFY_IS_APPROX(m2, refMat2);  in sparse_block()
210       refMat2.middleRows(j0,n0) = (refMat2.middleRows(j0,n0) + refMat2.middleRows(j1,n0)).eval();  in sparse_block()
212       refMat2.middleCols(j0,n0) = (refMat2.middleCols(j0,n0) + refMat2.middleCols(j1,n0)).eval();  in sparse_block()
214     VERIFY_IS_APPROX(m2, refMat2);  in sparse_block()
219     DenseMatrix refMat2 = DenseMatrix::Zero(rows, cols);  in sparse_block()  local
221     initSparse<Scalar>(density, refMat2, m2);  in sparse_block()
226       VERIFY_IS_APPROX(m2.block(j0,0,n0,cols), refMat2.block(j0,0,n0,cols));  in sparse_block()
228       VERIFY_IS_APPROX(m2.block(0,j0,rows,n0), refMat2.block(0,j0,rows,n0));  in sparse_block()
232                       refMat2.block(j0,0,n0,cols)+refMat2.block(j1,0,n0,cols));  in sparse_block()
235                       refMat2.block(0,j0,rows,n0)+refMat2.block(0,j1,rows,n0));  in sparse_block()
240       refMat2.row(i) = refMat2.row(i) * s1;  in sparse_block()
241       VERIFY_IS_APPROX(m2,refMat2);  in sparse_block()
244       refMat2.col(i) = refMat2.col(i) * s1;  in sparse_block()
245       VERIFY_IS_APPROX(m2,refMat2);  in sparse_block()
253     VERIFY_IS_APPROX(DenseVector(m2.col(c0)), refMat2.col(c0));  in sparse_block()
254     VERIFY_IS_APPROX(m2.col(c0), refMat2.col(c0));  in sparse_block()
256     VERIFY_IS_APPROX(RowDenseVector(m2.row(r0)), refMat2.row(r0));  in sparse_block()
257     VERIFY_IS_APPROX(m2.row(r0), refMat2.row(r0));  in sparse_block()
259     VERIFY_IS_APPROX(m2.block(r0,c0,r1,c1), refMat2.block(r0,c0,r1,c1));  in sparse_block()
260     VERIFY_IS_APPROX((2*m2).block(r0,c0,r1,c1), (2*refMat2).block(r0,c0,r1,c1));  in sparse_block()
264       VERIFY_IS_APPROX(m2, refMat2);  in sparse_block()
275           refMat3.row(o1) = refMat2.row(o2);  in sparse_block()
280           refMat3.col(o1) = refMat2.col(o2);  in sparse_block()