[Octave-bug-tracker] [bug #38870] load reads stochastic data from MAT -file

[Mike Miller]

Follow-up Comment #7, bug #38870 (project octave):

I looked at this file a bit too. I think the problem may be that the "type"
codes for the matrices in the file are set to 0 instead of miDOUBLE. This does
not seem like a valid format, at least according to the parser in Octave. The
case statements in ls-mat5.cc simply fall through and don't read any data into
the uninitialized matrices, which is probably why they are appearing as random
values.

I inserted something like


if (!type) type = miDOUBLE;


somewhere around here:

http://hg.savannah.gnu.org/hgweb/octave/file/6698d0c42fbf/libinterp/interp-core/ls-mat5.cc#l1395

and get consistent values every time.

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