LinSpaced.h

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#ifndef IGL_LINSPACED_H
#define IGL_LINSPACED_H
#include <Eigen/Core>
namespace igl
{
  template <typename Derived>
  //inline typename Eigen::DenseBase< Derived >::RandomAccessLinSpacedReturnType 
  inline Derived LinSpaced(
    typename Derived::Index size,
    const typename Derived::Scalar & low,
    const typename Derived::Scalar & high);
}
 
// Implementation
 
template <typename Derived>
//inline typename Eigen::DenseBase< Derived >::RandomAccessLinSpacedReturnType 
inline Derived
igl::LinSpaced(
  typename Derived::Index size,
  const typename Derived::Scalar & low,
  const typename Derived::Scalar & high)
{
  if(size == 0)
  {
    // Force empty vector with correct "RandomAccessLinSpacedReturnType" type.
    return Derived::LinSpaced(0,0,1);
  }else if(high < low)
  {
    return low-Derived::LinSpaced(size,low-low,low-high).array();
  }else{
    return Derived::LinSpaced(size,low,high);
  }
}
 
#endif