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dft_tools/doc/reference/arrays/algebras_0.cpp
tayral edd1ff4529 Restructuring documentation.
A first general restructuration of the doc according to the pattern [tour|tutorial|reference].
In the reference part, objects are documented per topic.
In each topic, [definition|c++|python|hdf5] (not yet implemented)
2014-10-18 12:21:08 +01:00

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C++

#include <triqs/arrays.hpp>
using triqs::arrays::array;
using triqs::clef::placeholder;
int main() {
// init
placeholder<0> i_;
placeholder<1> j_;
array<long, 2> A(2, 2), B(2, 2);
A(i_, j_) << i_ + j_;
B(i_, j_) << i_ - j_;
// use expressions
array<long, 2> C = A + 2 * B;
array<double, 2> D = 0.5 * A; // Type promotion is automatic
std::cout << "A= " << A << std::endl;
std::cout << "B= " << B << std::endl;
std::cout << "C= " << C << std::endl;
std::cout << "D= " << D << std::endl;
}