Rasmus Munk LarsenandRasmus Munk Larsen
76a7c53018
libeigen/eigen!2828 Closes #3103 Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
20 lines
531 B
C++
20 lines
531 B
C++
#include "../Eigen/Core"
|
|
|
|
// Reproduces the "Dynamic-sized Matrix breaks tuple_size" bug reported on !2336.
|
|
// tuple_size<MatrixXd> is a SFINAE-friendly empty specialization (issue #3103),
|
|
// so naming ::value outside a SFINAE context must still fail to compile.
|
|
#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
|
|
#define ROWS Eigen::Dynamic
|
|
#define COLS Eigen::Dynamic
|
|
#else
|
|
#define ROWS 3
|
|
#define COLS 1
|
|
#endif
|
|
|
|
#include <tuple>
|
|
|
|
int main() {
|
|
(void)std::tuple_size<Eigen::Matrix<double, ROWS, COLS>>::value;
|
|
return 0; // Test should pass.
|
|
}
|