Mercurial > forge
changeset 8678:6827a4b31653 octave-forge
control-devel: improve error messages
| author | paramaniac |
|---|---|
| date | Wed, 26 Oct 2011 16:23:52 +0000 |
| parents | f70999737e92 |
| children | ddd705c59ea8 |
| files | extra/control-devel/src/slab09jd.cc |
| diffstat | 1 files changed, 87 insertions(+), 2 deletions(-) [+] |
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--- a/extra/control-devel/src/slab09jd.cc Wed Oct 26 13:13:35 2011 +0000 +++ b/extra/control-devel/src/slab09jd.cc Wed Oct 26 16:23:52 2011 +0000 @@ -291,10 +291,95 @@ iwarn, info)); if (f77_exception_encountered) - error ("hsvd: slab09jd: exception in SLICOT subroutine AB09JD"); + error ("hnamodred: exception in SLICOT subroutine AB09JD"); if (info != 0) - error ("hsvd: slab09jd: AB09JD returned info = %d", info); + { + //error ("hsvd: slab09jd: AB09JD returned info = %d", info); + if (info < 0) + error ("hnamodred: the %d-th argument had an invalid value", info); + else + { + switch (info) + { + // FIXME: The code below looks nice, but the error message does not + // because there is much white space after each line break + case 1: + error ("hnamodred: 1: the computation of the ordered real Schur form of A\ + failed"); + case 2: + error ("hnamodred: 2: the separation of the ALPHA-stable/unstable\ + diagonal blocks failed because of very close eigenvalues"); + case 3: + error ("hnamodred: 3: the reduction of AV to a real Schur form failed"); + case 4: + error ("hnamodred: 4: the reduction of AW to a real Schur form failed"); + case 5: + error ("hnamodred: 5: the reduction to generalized Schur form of the\ + descriptor pair corresponding to the inverse of V\ + failed"); + case 6: + error ("hnamodred: 6: the reduction to generalized Schur form of the\ + descriptor pair corresponding to the inverse of W\ + failed"); + case 7: + error ("hnamodred: 7: the computation of Hankel singular values failed"); + case 8: + error ("hnamodred: 8: the computation of stable projection in the\ + Hankel-norm approximation algorithm failed"); + case 9: + error ("hnamodred: 9: the order of computed stable projection in the\ + Hankel-norm approximation algorithm differs\ + from the order of Hankel-norm approximation"); + case 10: + error ("hnamodred: 10: the reduction of AV-BV*inv(DV)*CV to a\ + real Schur form failed"); + case 11: + error ("hnamodred: 11: the reduction of AW-BW*inv(DW)*CW to a\ + real Schur form failed"); + case 12: + error ("hnamodred: 12: the solution of the Sylvester equation failed\ + because the poles of V (if JOBV = 'V') or of\ + conj(V) (if JOBV = 'C') are not distinct from\ + the poles of G1 (see METHOD)"); + case 13: + error ("hnamodred: 13: the solution of the Sylvester equation failed\ + because the poles of W (if JOBW = 'W') or of\ + conj(W) (if JOBW = 'C') are not distinct from\ + the poles of G1 (see METHOD)"); + case 14: + error ("hnamodred: 14: the solution of the Sylvester equation failed\ + because the zeros of V (if JOBV = 'I') or of\ + conj(V) (if JOBV = 'R') are not distinct from\ + the poles of G1sr (see METHOD)"); + case 15: + error ("hnamodred: 15: the solution of the Sylvester equation failed\ + because the zeros of W (if JOBW = 'I') or of\ + conj(W) (if JOBW = 'R') are not distinct from\ + the poles of G1sr (see METHOD)"); + case 16: + error ("hnamodred: 16: the solution of the generalized Sylvester system\ + failed because the zeros of V (if JOBV = 'I') or\ + of conj(V) (if JOBV = 'R') are not distinct from\ + the poles of G1sr (see METHOD)"); + case 17: + error ("hnamodred: 17: the solution of the generalized Sylvester system\ + failed because the zeros of W (if JOBW = 'I') or\ + of conj(W) (if JOBW = 'R') are not distinct from\ + the poles of G1sr (see METHOD)"); + case 18: + error ("hnamodred: 18: op(V) is not antistable"); + case 19: + error ("hnamodred: 19: op(W) is not antistable"); + case 20: + error ("hnamodred: 20: V is not invertible"); + case 21: + error ("hnamodred: 21: W is not invertible"); + default: + error ("hnamodred: unknown error, info = %d", info); + } + } + } // resize a.resize (nr, nr);