class_FixedVectorBlock.cpp File Reference

#include <Eigen/Core>
#include <iostream>

Functions
template<typename Derived >
Eigen::VectorBlock< Derived, 2 >	firstTwo (Eigen::MatrixBase< Derived > &v)
template<typename Derived >
const Eigen::VectorBlock< const Derived, 2 >	firstTwo (const Eigen::MatrixBase< Derived > &v)
int	main (int, char **)

Function Documentation

firstTwo() [1/2]

template<typename Derived >

const Eigen::VectorBlock<const Derived, 2> firstTwo

(

const Eigen::MatrixBase< Derived > &

v

)

                                                                                     {
  return Eigen::VectorBlock<const Derived, 2>(v.derived(), 0);
}

References v.

firstTwo() [2/2]

template<typename Derived >

Eigen::VectorBlock<Derived, 2> firstTwo

(

Eigen::MatrixBase< Derived > &

v

)

                                                                   {
  return Eigen::VectorBlock<Derived, 2>(v.derived(), 0);
}

References v.

Referenced by main().

main()

int main	(	int	,
		char **
	)

                      {
  Eigen::Matrix<int, 1, 6> v;
  v << 1, 2, 3, 4, 5, 6;
  std::cout << firstTwo(4 * v) << std::endl;  // calls the const version
  firstTwo(v) *= 2;                           // calls the non-const version
  std::cout << "Now the vector v is:" << std::endl << v << std::endl;
  return 0;
}

References firstTwo(), and v.