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sum(v)

Returns sum of all collection entries (vector-entries)

Details: mtl::sum

For example:

// File: vector_reduction.cpp

#include <iostream>
#include <boost/numeric/mtl/mtl.hpp>

int main(int, char**)
{
    using namespace mtl;

    typedef std::complex<double>  cdouble;
    dense_vector<cdouble>         v(100);

    for (unsigned i= 0; i < size(v); i++)
        v[i]= cdouble(i+1, 100-i);

    std::cout << "sum(v) is " << sum(v)<< "\n";
    
    std::cout << "product(v) is " <<  product(v)<< "\n";
    
    std::cout << "sum<6>(v) is " <<  sum<6>(v)<< "\n";

    return 0;
}

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sum(v) -- MTL 4 -- Peter Gottschling and Andrew Lumsdaine -- Gen. with rev. 7542 on 7 Apr 2011 by doxygen 1.5.9 -- © 2010 by SimuNova UG.