[REVIEW-3-5] fix for fdo#47299, calculating matrix formulas takes too long
markus.mohrhard at googlemail.com
Fri Mar 23 09:39:58 PDT 2012
 improves the calculation time for matrix formulas by one
magnitude. We now just cache the calls to
mdds::mixed_type_matrix::size which brings the execution time back to
the 3-3 level. It does not only help for this test document but should
speed up all matrix formulas.
I think the patch is quite safe since it only changes from the direct
call to the cached result and updates the cached value for all
function calls changing the size.
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