I tried to change my old Eigen 3.2.x into latest stable release 3.3.3.
const float c = 1.234;
MatrixXcf C = c*MatrixXcf::Ones(5,5).triangularView<Lower>();
leads to compilation errors ("no match for operator*, template argument deduction/substitution failed etc.."). This can be easily worked around:
// this is OK:
MatrixXcf A = MatrixXcf::Ones(5,5).triangularView<Lower>();
MatrixXcf C = c * A;
so I am not sure if this is bug or intented behavior.
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