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18 lines
418 B
18 lines
418 B
#include <iostream>
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#include <Eigen/Core>
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using namespace Eigen;
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template <typename Derived>
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void print_size(const EigenBase<Derived>& b)
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{
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std::cout << "size (rows, cols): " << b.size() << " (" << b.rows()
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<< ", " << b.cols() << ")" << std::endl;
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}
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int main()
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{
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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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