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acheng · Feb 27 '12, 01:53 PM

I want to assign a matrix to submatrix of a bigger matrix.

Code:

ublas::matrix<int> A(8,5);
ublas::matrix<int> B(2,5);
for(size_t i=0;i<A.size1();++i)
    for(size_t j=0;j<A.size2();++j)
        A(i,j)=i*A.size2()+j+1;
for(size_t i=0;i<B.size1();++i)
    for(size_t j=0;j<B.size2();++j)
        B(i,j)=i*B.size2()+j+5;
ublas::matrix_range<ublas::matrix<int>

...

John Papadopoul · Jul 29 '11, 08:38 PM

I'm trying to build a simple GraphML loader using BOOST libraries. I have a GraphML file and I want to load it in a boost adjacency list structure. The graph is directed and the only information that it is stored are the name of the nodes (0,1,2,...) and the edges from one node to another. What I did is:

Code:

void loadHierarchy(){
    // ...
    std::ifstream inFile;
    inFile.open("ext.gml", std::ifstream::in);

...

John Papadopoul · May 12 '11, 12:30 PM

Hi all,

I'm using the BOOST libraries to compute an adjacency list and its transitive closure. I'm defining them as follows:

Code:

...
typedef boost::adjacency_list<> AdjacencyList;
AdjacencyList g_transitiveClosure;
AdjacencyList g_adjacencyList;
...

What I'm doing is:
loop start
add edge information to the g_adjacencyList
compute the transitive...

Tangleman · Apr 29 '11, 03:03 PM

I am trying to modify a current MFC application running on Windows NT4 to use boost libraries for ethernet communcications (originally, it used CommX for serial) and general increased performance, effieciency, and clarity of code.

I started out modifying it in VS2010, but I found that I was unable to produce a valid NT4 app with VS2010. I googled the issue and found that VS2005 was the last version able to create an NT4 app. I got...

tdlr · Jan 5 '11, 01:32 PM

I'm using VC++ 2010 with Boost 1.43.
I've just created a class that uses winsock to handle network communication. Now there's a method called "fillQueue" which is defined like this:

Code:

void fillQueue(NetworkQueueTS& nq);

Problem is, the method enters an infinite while loop which fills the NetworkQueue with data. So it needs to be in an extra thread. The NetworkQueue class itself is already thread...

Search Result

a bug of boost uBlas?

Boost read_graphml example

How to get memory usage of an adjacency list / transitive closure?

Boost in an MFC app on NT4

Solution for handling boost::thread with member functions