151     DenseMatrix refM4 = DenseMatrix::Zero(rows, cols);  in sparse_basic()  local
159     initSparse<Scalar>(density, refM4, m4);  in sparse_basic()
190     refM4.setRandom();  in sparse_basic()
192     VERIFY_IS_APPROX(m3.cwiseProduct(refM4), refM3.cwiseProduct(refM4));  in sparse_basic()
194     VERIFY_IS_APPROX(refM4.cwiseProduct(m3), refM4.cwiseProduct(refM3));  in sparse_basic()
197     VERIFY_IS_APPROX(refM4 + m3, refM4 + refM3);  in sparse_basic()
198     VERIFY_IS_APPROX(m3 + refM4, refM3 + refM4);  in sparse_basic()
199     VERIFY_IS_APPROX(refM4 - m3, refM4 - refM3);  in sparse_basic()
200     VERIFY_IS_APPROX(m3 - refM4, refM3 - refM4);  in sparse_basic()
201 …VERIFY_IS_APPROX((RealScalar(0.5)*refM4 + RealScalar(0.5)*m3).eval(), RealScalar(0.5)*refM4 + Real…  in sparse_basic()
202 …VERIFY_IS_APPROX((RealScalar(0.5)*refM4 + m3*RealScalar(0.5)).eval(), RealScalar(0.5)*refM4 + Real…  in sparse_basic()
203 …VERIFY_IS_APPROX((RealScalar(0.5)*refM4 + m3.cwiseProduct(m3)).eval(), RealScalar(0.5)*refM4 + ref…  in sparse_basic()
205 …VERIFY_IS_APPROX((RealScalar(0.5)*refM4 + RealScalar(0.5)*m3).eval(), RealScalar(0.5)*refM4 + Real…  in sparse_basic()
206 …VERIFY_IS_APPROX((RealScalar(0.5)*refM4 + m3*RealScalar(0.5)).eval(), RealScalar(0.5)*refM4 + Real…  in sparse_basic()
207 … VERIFY_IS_APPROX((RealScalar(0.5)*refM4 + (m3+m3)).eval(), RealScalar(0.5)*refM4 + (refM3+refM3));  in sparse_basic()
209 …VERIFY_IS_APPROX((RealScalar(0.5)*refM4 + (refM3+m3)).eval(), RealScalar(0.5)*refM4 + (refM3+refM3…  in sparse_basic()
210 …VERIFY_IS_APPROX((RealScalar(0.5)*refM4 + (m3+refM3)).eval(), RealScalar(0.5)*refM4 + (refM3+refM3…  in sparse_basic()
215     m4 = m1; refM4 = m4;  in sparse_basic()
231       m1 = m4; refM1 = refM4;  in sparse_basic()
237     m1 = m4; refM1 = refM4;  in sparse_basic()
240     m1 = m4; refM1 = refM4;  in sparse_basic()
243     m1 = m4; refM1 = refM4;  in sparse_basic()
246     m1 = m4; refM1 = refM4;  in sparse_basic()