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maybe C++ and not "C" ? (was Re: function space)

From: Sergei Steshenko
Subject: maybe C++ and not "C" ? (was Re: function space)
Date: Wed, 22 Feb 2012 13:58:41 -0800 (PST)

--- On Tue, 2/21/12, CdeMills <address@hidden> wrote:

> From: CdeMills <address@hidden>
> Subject: Re: function space
> To: address@hidden
> Date: Tuesday, February 21, 2012, 2:26 PM
> For instance, I prefer R which makes a clear difference
> between function
> calls and array indexing. The price to pay is that the
> concatenation
> operator is not available, as it was "taken" for array
> indexing, and is
> replaced by the function "c", abbreviation of cat.
> OTOH, I'm porting a Octave program to C in order to run it
> on an embedded
> platform. And I may assure you that the m-languages has some
> issues, but at
> least operators works on vector and matrices. A single line
> like
> x = y(some condition on y) % x and y are vectors
> is translated in many lines:
> - malloc an array of size (y), and test if the result is OK
> - loop on y, test the condition, fill the temporary array
> - count the number of non-null elements in the temporary
> array
> - free x memory
> - allocate x memory with the count you've computed (and test
> it)
> - loop on the temp vector, find the non-null elements, use
> their index to
> access y; concatenate the results in x
> - do not forget to free the temp array
> So yes there are a few flaws in the m-language, but you gain
> development
> speed, compactness, no need to declare variables, memory is
> managed for you,
> ...
> Regards
> Pascal
> --
> View this message in context: 
> Sent from the Octave - General mailing list archive at

Though I'm not a fan of C++, I must admit it does have some advantages over "C".

For what you are doing maybe the following:

are useful. There are more similar projects, I remember just those two off the 
top of my head.


Does 'boost' library have matrix classes ?


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