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num_cols(A)

returns number of columns of matrix A.

Details: mtl::traits::num_cols

For example:

int col=  num_cols(A);
int col2= A.num_cols();

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num_cols(A) -- MTL 4 -- Peter Gottschling and Andrew Lumsdaine -- Gen. with rev. 7542 on 7 Apr 2011 by doxygen 1.5.9 -- © 2010 by SimuNova UG.