mirror of
https://github.com/triqs/dft_tools
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81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
/*******************************************************************************
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*
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* TRIQS: a Toolbox for Research in Interacting Quantum Systems
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*
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* Copyright (C) 2011 by O. Parcollet
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*
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* TRIQS is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* TRIQS. If not, see <http://www.gnu.org/licenses/>.
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*
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******************************************************************************/
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#include "./common.hpp"
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#include <triqs/arrays/array.hpp>
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#include <iostream>
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using namespace triqs::arrays;
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auto bad (array<long,1> const & a) DECL_AND_RETURN (a(range(0,3)));
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auto bad2 (array<long,1> const & a) DECL_AND_RETURN (a(0));
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array_const_view<long,1> good(array<long,1> const & a) {return a(range(0,3));}
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int main(int argc, char **argv) {
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try {
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array<long,1> A = {1,2,3,4};
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std::cerr<<"A is "<<A<<std::endl;
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{
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auto r = A(range(0,3));
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TEST_ASSERT(r.storage().is_weak);
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}
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{
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auto r = array<long,1> {1,2,3,4} (range(0,3));
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TEST_ASSERT(!r.storage().is_weak);
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std::cerr << r << r.storage().is_weak << std::endl ;
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}
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{
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auto r = array<long,1> {1,2,3,4} (range(0,3))();
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std::cerr << r << r.storage().is_weak << std::endl ;
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TEST_ASSERT(!r.storage().is_weak);
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}
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{
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auto r = good ( { 1,2,3,4} );
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std::cerr << " good "<< r << r.storage().is_weak << std::endl ;
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}
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// rm or sanitizer will detect this ...
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#ifdef MAKE_IT_WRONG
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{
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auto & r = bad2 ( { 1,2,3,4} );
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std::cerr << " bad2 " << r << std::endl ;
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}
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{
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auto r = bad ( { 1,2,3,4} );
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std::cerr << " bad " << r << r.storage().is_weak << std::endl ;
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}
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#endif
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}
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TRIQS_CATCH_AND_ABORT;
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}
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