Rasmus Munk LarsenandRasmus Munk Larsen
76a7c53018
libeigen/eigen!2828 Closes #3103 Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
20 lines
515 B
C++
20 lines
515 B
C++
#include "../Eigen/Core"
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// Reproduces the "Dynamic-sized Array breaks tuple_size" bug: the Array
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// specialization behaves like the Matrix one — a SFINAE-friendly empty
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// tuple_size (issue #3103), so naming ::value must still fail to compile.
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#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
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#define ROWS Eigen::Dynamic
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#define COLS Eigen::Dynamic
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#else
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#define ROWS 3
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#define COLS 1
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#endif
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#include <tuple>
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int main() {
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(void)std::tuple_size<Eigen::Array<double, ROWS, COLS>>::value;
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return 0; // Test should pass.
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}
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