[Octave-bug-tracker] [bug #60784] Inconsistent behavior for boolean matrix types with matrix functions

[Dmitri A. Sergatskov]

Follow-up Comment #2, bug #60784 (project octave):

You must be hitting swap or something:


octave:1> A = rand (2e4);
octave:2> B = logical (A);
octave:3> C = single(B);
octave:4> whos
Variables visible from the current scope:

variables in scope: top scope

   Attr Name        Size                     Bytes  Class
   ==== ====        ====                     =====  ===== 
        A       20000x20000             3200000000  double
        B       20000x20000              400000000  logical
        C       20000x20000             1600000000  single

Total is 1200000000 elements using 5200000000 bytes

octave:5>  tic; det (A); toc
Elapsed time is 16.9533 seconds.
octave:6>  tic; det (B), toc
ans = 0
Elapsed time is 14.8917 seconds.
octave:7> tic; det (double (B)), toc
ans = 0
Elapsed time is 14.948 seconds.
octave:8> tic; det (C), toc
ans = 0
Elapsed time is 7.50517 seconds.
octave:9>  tic; det (A), toc
ans = Inf
Elapsed time is 16.9971 seconds.
octave:10> 




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