Mercurial > octave-nkf
view examples/code/unwinddemo.cc @ 20603:f61c67865d9f
Don't return A for inv (A) when A is a singular Diagonal matrix (bug #46103).
* dDiagMatrix.cc (inverse), fDiagMatrix.cc (inverse): return octave_Inf for the
inverse of a diagonal element whose value is 0.
* test/diag-perm.tst: Add tests for new behavior.
author | Rik <rik@octave.org> |
---|---|
date | Wed, 07 Oct 2015 07:41:44 -0700 |
parents | 2f8500ca91d3 |
children |
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#include <octave/oct.h> #include <octave/unwind-prot.h> void my_err_handler (const char *fmt, ...) { // Do nothing!! } void my_err_with_id_handler (const char *id, const char *fmt, ...) { // Do nothing!! } DEFUN_DLD (unwinddemo, args, nargout, "Unwind Demo") { if (args.length () < 2) print_usage (); NDArray a = args(0).array_value (); NDArray b = args(1).array_value (); // Declare unwind_protect frame which lasts as long as // the variable frame has scope. unwind_protect frame; frame.add_fcn (set_liboctave_warning_handler, current_liboctave_warning_handler); frame.add_fcn (set_liboctave_warning_with_id_handler, current_liboctave_warning_with_id_handler); set_liboctave_warning_handler (my_err_handler); set_liboctave_warning_with_id_handler (my_err_with_id_handler); return octave_value (quotient (a, b)); }