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https://github.com/triqs/dft_tools
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efb00ea5d3
- to improve with in the case where function return an expression template, not a regular type, with a make_regular function
22 lines
415 B
C++
22 lines
415 B
C++
#include <triqs/arrays.hpp>
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/// ---- test ------------
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using triqs::arrays::range;
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int main() {
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triqs::clef::placeholder<0> a_;
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triqs::clef::placeholder<1> i_;
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triqs::clef::placeholder<2> j_;
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auto expr = i_ + 2* j_;
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auto xa = sum(a_*i_ , i_=range(0,5));
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auto x = eval(xa, a_=2);
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std::cout << x << std::endl;
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auto y = sum(2*i_ + j_ , i_=range(0,3), j_= range (0,2));
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std::cout << y << std::endl;
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}
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