15 lines
389 B
C++
15 lines
389 B
C++
#include <iostream>
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#include <Eigen/Core>
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template <typename Derived>
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void print_size(const Eigen::EigenBase<Derived>& b) {
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std::cout << "size (rows, cols): " << b.size() << " (" << b.rows() << ", " << b.cols() << ")" << std::endl;
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}
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int main() {
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Eigen::Vector3f v;
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print_size(v);
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// v.asDiagonal() returns a 3x3 diagonal matrix pseudo-expression
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print_size(v.asDiagonal());
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}
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