class_FixedVectorBlock.cpp File Reference

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

)

Definition at line 13 of file class_FixedVectorBlock.cpp.

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

firstTwo() [2/2]

template<typename Derived >

Eigen::VectorBlock<Derived, 2> firstTwo

(

Eigen::MatrixBase< Derived > &

v

)

Definition at line 6 of file class_FixedVectorBlock.cpp.

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

main()

int main	(	int	,
		char **
	)

Definition at line 18 of file class_FixedVectorBlock.cpp.

{
  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;
}