Mercurial > hg > octave-lyh
diff liboctave/dbleSVD.cc @ 1545:8bdfa6fe5d69
[project @ 1995-10-06 06:13:28 by jwe]
| author | jwe |
|---|---|
| date | Fri, 06 Oct 1995 06:14:45 +0000 |
| parents | f1931fc63ce9 |
| children | b0b22b6ce22f |
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--- a/liboctave/dbleSVD.cc +++ b/liboctave/dbleSVD.cc @@ -43,7 +43,7 @@ } Matrix -left_singular_matrix (void) const +SVD::left_singular_matrix (void) const { if (type_computed == SVD::sigma_only) { @@ -56,7 +56,7 @@ } Matrix -right_singular_matrix (void) const +SVD::right_singular_matrix (void) const { if (type_computed == SVD::sigma_only) { @@ -98,7 +98,7 @@ case SVD::sigma_only: jobu = jobv ="N"; - ncol_u = nrow_vt = 0; + ncol_u = nrow_vt = 1; break; default: @@ -107,9 +107,9 @@ type_computed = svd_type; - double *u = (ncol_u > 0 ? new double[m * ncol_u] : 0); + double *u = (*jobu == 'N' ? 0 : new double[m * ncol_u]); double *s_vec = new double[min_mn]; - double *vt = (ncol_vt > 0 ? new double[nrow_vt * n] : 0); + double *vt = (*jobv == 'N' ? 0 : new double[nrow_vt * n]); int tmp1 = 3*min_mn + max_mn; int tmp2 = 5*min_mn - 4; @@ -120,12 +120,12 @@ m, vt, nrow_vt, work, lwork, info, 1L, 1L); - if (ncol_u > 0) + if (*jobu != 'N') left_sm = Matrix (u, m, ncol_u); sigma = DiagMatrix (s_vec, nrow_s, ncol_s); - if (nrow_vt > 0) + if (*jobv != 'N') { Matrix vt_m (vt, nrow_vt, n); right_sm = vt_m.transpose ();