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Re: Shallow matrix construction in Octave C++ API
From: |
c. |
Subject: |
Re: Shallow matrix construction in Octave C++ API |
Date: |
Sun, 3 Nov 2013 08:46:04 +0100 |
On 3 Nov 2013, at 07:32, Mike Puglia <address@hidden> wrote:
> Hi,
>
> Someone asked a question on stackoverflow last year about shallow matrix
> construction in the C++ API and it was never answered. The link is:
>
> http://stackoverflow.com/questions/10890131/shallow-matrix-construction-in-octave-c-api
>
> I am also looking for a way to accomplish this and I was wondering if anyone
> could shed some light on the subject. The basic idea is simple. I have a
> matrix stored as an array of doubles in column-major format. Is there anyway
> to construct a light copy of a Matrix object around the pointer+length
> information. I have a performance critical application and I've run into a
> spot where the Octave C++ API would be useful, but I can't afford to
> initialize a new matrix and duplicate all of the data.
>
> Thanks in advance,
>
> MTP
No, there is no such method.
According to previous threads on this list
it seems this was a design choice which is not
likely to change.
c.