286     int rhsCols = internal::random<int>(1,16);  variable
287     double density = (std::max)(8./(size*rhsCols), 0.1);
288     SpMat B(size,rhsCols);
290     DenseMatrix dB(size,rhsCols);
408   int rhsCols = internal::random<int>(1,16);  variable
417     DenseMatrix dB(size,rhsCols);
418     SpMat B(size,rhsCols);
419     double density = (std::max)(8./(size*rhsCols), 0.1);
540   int rhsCols = internal::random<int>(1,16);  in check_sparse_leastsquare_solving()  local
549     DenseMatrix dB(A.rows(),rhsCols);  in check_sparse_leastsquare_solving()
550     SpMat B(A.rows(),rhsCols);  in check_sparse_leastsquare_solving()
551     double density = (std::max)(8./(A.rows()*rhsCols), 0.1);  in check_sparse_leastsquare_solving()