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Ublas : |
Subject: Re: [ublas] noaliasing assignment
From: Oswin Krause (Oswin.Krause_at_[hidden])
Date: 2011-11-09 09:55:54
Hi,
yes, you have to specify it every time when the result is not on the right
of the expression
e.g
noalias(A)=prod(B,C)+D;
but:
A=prod(B,A)+D
This is needed, because ublas wants to be fail-safe in case 2. if noalias
would be the default, the second expression would result in wrong results.
>
> Hi all,
>
> Does noalias() assignment work only when it is explicitly specified? In
> other words, do I have to specify noalias() by hands where it is needed?
>
> Thanks.
>
>
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>