Hi, Is it correct that vector_temporary_type is not defined for expression types? Some old code that used matrix_range of an expression does no longer compile....
Karl Meerbergen
Karl.Meerbergen@...
Nov 2, 2004 2:03 pm
2318
Hello again, I found some more differences with previous uBlas versions. In vector_expression.hpp, vector_binary::expression1() and ...
Karl Meerbergen
Karl.Meerbergen@...
Nov 2, 2004 2:50 pm
2319
Hi Karl, ... Intersting. The vector/matrix_temporary_types are designed as a property of the container concept. Proxies are designed to propagate this via...
... It is probably possible with a traits class too, that should then be specialized for all expression types!! :-( In any case, I agree that adding too much...
Karl Meerbergen
Karl.Meerbergen@...
Nov 2, 2004 4:03 pm
2322
... If I had access to boost, I could do the changes myself. I am currently using ublas_pure to get our stuff compiled. I suppose some other surprises will...
Karl Meerbergen
Karl.Meerbergen@...
Nov 2, 2004 4:07 pm
2323
... Ok. It works, but resize is broken. I changed it to respect the preserve parameter correctly. New timings are on my page. I expected that...
Gunter Winkler
guwi17@...
Nov 2, 2004 4:26 pm
2324
... Sounds good. If it can't wait Toon can commit to CVS Michael...
... Well, Toon is on holiday. But it can wait till he's back. I can easily correct the errors related to expression1() etc, but I am not familiar with the...
Karl Meerbergen
Karl.Meerbergen@...
Nov 2, 2004 6:12 pm
2326
... It tell algorithms what type they should create when the need a temporary vector container before assigning to an expression. Because proxies are not ...
... I see. I see some difficulties when a proxy is used on a binary_expression. But I think the storage_category could be used. Is that right? The unknown...
Karl Meerbergen
Karl.Meerbergen@...
Nov 2, 2004 7:06 pm
2328
... Ahh. I should have made it clear that the above temporaries only occur in assignments. Therefore there is always a LHS which is either a Container or an...
... So, instead of having a member temporary_vector_type in the proxies, would it not be better to define a traits class to determine temporary_vector_type? ...
Karl Meerbergen
Karl.Meerbergen@...
Nov 2, 2004 8:36 pm
2330
Hi all, I think we need a discussion about which members in expressions should be available to public. Currently, the expressions do not allow access of their ...
Karl Meerbergen
Karl.Meerbergen@...
Nov 3, 2004 10:57 am
2331
... Hi Michael, I added to my version of the code a temporary_traits that computes vector_temporary_type and matrix_temporary_type for containers and proxies. ...
Karl Meerbergen
Karl.Meerbergen@...
Nov 3, 2004 11:20 am
2332
... I think, its better to have less public functions. I use constructions like this in my code: // (v * t) [i] = v [i] * t template<class E1, class T2> ...
Gunter Winkler
guwi17@...
Nov 3, 2004 11:37 am
2333
... For the BLAS bindings, access to the data is inevitable, because you need the containers, constants etc. Karl...
Karl Meerbergen
Karl.Meerbergen@...
Nov 3, 2004 11:47 am
2334
Hello I have another problem with a piece of code that does no longer compile. It does not seem to be possible to assign a range into a range. Is there a ...
Karl Meerbergen
Karl.Meerbergen@...
Nov 3, 2004 11:53 am
2335
Hi Karl, Do you include "matrix_proxy" and "vector_proxy" ? For vectors it works fine for me. Patrick...
... In order to limit the public functions, we can create an accessor object for each expression that allows to access the data. Karl...
Karl Meerbergen
Karl.Meerbergen@...
Nov 3, 2004 12:01 pm
2337
... Patrick I mean, ublas::range a( 0, 1 ) ; ublas::range b ; b = a; Karl...
Karl Meerbergen
Karl.Meerbergen@...
Nov 3, 2004 12:06 pm
2338
... This works fine for vectors: rp(ublas::range(0,3)) = p_l(ublas::range(3,6)); rp(ublas::range(3,6)) = p_l(ublas::range(0,3)); I will try yours.... Patrick...
... a range cannot be assigned: from storage2.hpp: class basic_range: public storage_array<basic_range<Z, D> > ... and template<class E> class storage_array: ...
Gunter Winkler
guwi17@...
Nov 3, 2004 12:46 pm
2341
... I can do things like matrix<double> A(10,10); A = scalar_matrix<double>(10,10,1.0); project(A, range(1,4), range(1,4)) = 2 * project(A, range(3,6),...
Gunter Winkler
guwi17@...
Nov 3, 2004 12:47 pm
2342
... So it appears, but it was possible in the past! Karl...
Karl Meerbergen
Karl.Meerbergen@...
Nov 3, 2004 12:59 pm
2343
... Hello all, I think we have to make a decision to what we allow to do with expressions. 1) Do we want the user to interpret expressions and so have access...
Karl Meerbergen
Karl.Meerbergen@...
Nov 3, 2004 2:18 pm
2344
Hello all, I used uBLAS_pure on IBM. After the modifications I did yesterday on my local version to get old stuff working, everything seems to work well on ...
Karl Meerbergen
Karl.Meerbergen@...
Nov 4, 2004 8:14 am
2345
Hello again, Sorry for continuing reporting problems. I think, we have to do a little exercise about what is the size_type in the sparse matrix types. For...
Karl Meerbergen
Karl.Meerbergen@...
Nov 4, 2004 1:35 pm
2346
(from the boost-user group) ... is ... I don't know why any of the ublas devs have commented on this at boost-user (or maybe they have but I missed it?). There...
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