Mercurial > octave-nkf
view test/bug-38576.tst @ 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 | 730bc06134f9 |
children |
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%!function r = f1 () %! ls = svd (1); %! r = eval ("ls -1;"); %!endfunction %!function r = f2 () %! [u,ls,v] = svd (1); %! r = eval ("ls -1;"); %!endfunction %!function r = f3 (ls) %! r = eval ("ls -1;"); %!endfunction %!test %! ## Windows systems can't run "ls -1" %! if (! ispc ()) %! assert (f1 (), 0); %! assert (f2 (), 0); %! assert (ischar (f3 ()), true); %! assert (f3 (1), 0); %! endif