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From: arun.s (arun.sivaramakrishnan_at_[hidden])
Date: 2006-07-23 02:52:42


  Iam trying to use lu_factorize and lu_solve for solving a linear system
Ax= B where matrix A has entries of type double and vector B entries of
type point ( a simple class wrapping double [3] ) but I get compiler errors
in in_place_solve ( all of the overrides have this problem)

BOOST_UBLAS_CHECK (e1 () (n, n) != value_type (0), singular ());

apparently this expects that "double" and "point" are comparable using !=

The problems disappear if I change the line to

BOOST_UBLAS_CHECK (e1 () (n, n) != E1::value_type (0), singular ());

but I leave it for the experts to give me the correct solution.

PS : I tried to switch to MTL after this, but it too, had the same problem.


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