Mercurial > hg > octave-terminal
changeset 1656:5a8ad3d12304
[project @ 1995-12-20 10:58:39 by jwe]
author | jwe |
---|---|
date | Wed, 20 Dec 1995 11:02:49 +0000 |
parents | 593fff2e7e39 |
children | 67678f04b8ba |
files | liboctave/CMatrix.cc liboctave/CMatrix.h liboctave/dMatrix.cc liboctave/dMatrix.h src/inv.cc src/xpow.cc |
diffstat | 6 files changed, 10 insertions(+), 10 deletions(-) [+] |
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line diff
--- a/liboctave/CMatrix.cc +++ b/liboctave/CMatrix.cc @@ -774,7 +774,7 @@ } ComplexMatrix -ComplexMatrix::inverse (int& info, double& rcond) const +ComplexMatrix::inverse (int& info, double& rcond, int force) const { int nr = rows (); int nc = cols (); @@ -794,7 +794,7 @@ F77_FCN (zgeco, ZGECO) (tmp_data, nr, nc, ipvt, rcond, z); volatile double rcond_plus_one = rcond + 1.0; - if (rcond_plus_one == 1.0) + if (rcond_plus_one == 1.0 && ! force) { info = -1; copy (tmp_data, data (), len); // Restore contents.
--- a/liboctave/CMatrix.h +++ b/liboctave/CMatrix.h @@ -124,7 +124,7 @@ ComplexMatrix inverse (void) const; ComplexMatrix inverse (int& info) const; - ComplexMatrix inverse (int& info, double& rcond) const; + ComplexMatrix inverse (int& info, double& rcond, int force = 0) const; ComplexMatrix pseudo_inverse (double tol = 0.0);
--- a/liboctave/dMatrix.cc +++ b/liboctave/dMatrix.cc @@ -503,7 +503,7 @@ } Matrix -Matrix::inverse (int& info, double& rcond) const +Matrix::inverse (int& info, double& rcond, int force) const { int nr = rows (); int nc = cols (); @@ -523,7 +523,7 @@ F77_FCN (dgeco, DGECO) (tmp_data, nr, nc, ipvt, rcond, z); volatile double rcond_plus_one = rcond + 1.0; - if (rcond_plus_one == 1.0) + if (rcond_plus_one == 1.0 && ! force) { info = -1; copy (tmp_data, data (), len); // Restore matrix contents.
--- a/liboctave/dMatrix.h +++ b/liboctave/dMatrix.h @@ -108,7 +108,7 @@ Matrix inverse (void) const; Matrix inverse (int& info) const; - Matrix inverse (int& info, double& rcond) const; + Matrix inverse (int& info, double& rcond, int force = 0) const; Matrix pseudo_inverse (double tol = 0.0);
--- a/src/inv.cc +++ b/src/inv.cc @@ -76,7 +76,7 @@ int info; double rcond = 0.0; - retval = m.inverse (info, rcond); + retval = m.inverse (info, rcond, 1); if (info == -1) warning ("inverse: matrix singular to machine precision,\ @@ -92,7 +92,7 @@ int info; double rcond = 0.0; - retval = m.inverse (info, rcond); + retval = m.inverse (info, rcond, 1); if (info == -1) warning ("inverse: matrix singular to machine precision,\
--- a/src/xpow.cc +++ b/src/xpow.cc @@ -206,7 +206,7 @@ int info; double rcond = 0.0; - atmp = a.inverse (info, rcond); + atmp = a.inverse (info, rcond, 1); if (info == -1) warning ("inverse: matrix singular to machine\ @@ -399,7 +399,7 @@ int info; double rcond = 0.0; - atmp = a.inverse (info, rcond); + atmp = a.inverse (info, rcond, 1); if (info == -1) warning ("inverse: matrix singular to machine\