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01572b9f54
template parameter "Scalar" is removed. This is achieved by introducting a template <typename Derived> struct Scalar to achieve a forward-declaration of the Scalar typedefs.
26 lines
663 B
C++
26 lines
663 B
C++
#include <Eigen/Core>
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USING_PART_OF_NAMESPACE_EIGEN
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using namespace std;
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template<typename Derived>
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const Eigen::CwiseUnaryOp<
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Eigen::ScalarCastOp<
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typename Eigen::NumTraits< typename Eigen::Scalar<Derived>::Type >::FloatingPoint
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>, Derived
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>
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castToFloatingPoint(const MatrixBase<Derived>& m)
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{
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return m.template cast<typename Eigen::NumTraits<
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typename Eigen::Scalar<Derived>::Type>::FloatingPoint
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>();
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}
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int main(int, char**)
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{
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Matrix2i m = Matrix2i::random();
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cout << "Here's the matrix m. It has coefficients of type int."
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<< endl << m << endl;
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cout << "Here's m/20:" << endl << castToFloatingPoint(m)/20 << endl;
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return 0;
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}
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