[Octave-bug-tracker] [bug #35148] Error Msg suppressed: tic; sparse(1e5, 1e5, 0); toc

[John W. Eaton]

Follow-up Comment #4, bug #35148 (project octave):

The error happens because in


sparse (1e5, 1e5, 0)


dim_vector::safe_numel throws a std::bad_alloc exception.  However, safe_numel
is only called when Octave attempts to print the result, not when the sparse
matrix object is constructed.  So if you terminate the expression with a
semicolon, you won't see the error.

I'm not sure why safe numel is called here.  We should be able to create a
sparse matrix object like this since it doesn't require much memory, and
neither of the dimensions are larger than the max index size, only the product
is, but that shouldn't matter since we aren't trying to store that number of
elements.



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