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Ublas :

From: Gunter Winkler (guwi17_at_[hidden])
Date: 2006-08-21 09:23:42

On Friday 18 August 2006 15:13, Vadim Zborovskii wrote:
> P.S. I found that defining |BOOST_UBLAS_NO_ELEMENT_PROXIES solves the
> problem. Is there a better way?|

Actually triangular adaptors and sparse storage was not designed to work
together. You already found the reason: the nasty sparse element proxies. The
above define disables the use of these proxy classes.
Personally, I prefer to use sparse matrices without triangular adaptors by
only inserting the lower/upper matrix elements.