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https://github.com/triqs/dft_tools
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edd1ff4529
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)
21 lines
503 B
C++
21 lines
503 B
C++
#include <triqs/arrays.hpp>
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using triqs::arrays::array;
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using triqs::clef::placeholder;
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int main() {
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// init
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placeholder<0> i_;
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placeholder<1> j_;
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array<long, 2> A(2, 2), B(2, 2);
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A(i_, j_) << i_ + j_;
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B(i_, j_) << i_ - j_;
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// use expressions
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array<long, 2> C = A + 2 * B;
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array<double, 2> D = 0.5 * A; // Type promotion is automatic
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std::cout << "A= " << A << std::endl;
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std::cout << "B= " << B << std::endl;
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std::cout << "C= " << C << std::endl;
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std::cout << "D= " << D << std::endl;
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}
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