libigl_Martin/include/igl/quadric_binary_plus_operator.h

#ifndef IGL_QUADRIC_BINARY_PLUS_OPERATOR_H
#define IGL_QUADRIC_BINARY_PLUS_OPERATOR_H
#include "igl_inline.h"
#include <Eigen/Core>
#include <tuple>

namespace igl
{
  // A binary addition operator for Quadric tuples compatible with qslim,
  // computing c = a+b
  //
  // Inputs:
  //   a  QSlim quadric
  //   b  QSlim quadric
  // Output
  //   c  QSlim quadric
  //
  IGL_INLINE std::tuple< Eigen::MatrixXd, Eigen::RowVectorXd, double> 
    operator+(
      const std::tuple< Eigen::MatrixXd, Eigen::RowVectorXd, double>  & a, 
      const std::tuple< Eigen::MatrixXd, Eigen::RowVectorXd, double>  & b);
}

#ifndef IGL_STATIC_LIBRARY
#  include "quadric_binary_plus_operator.cpp"
#endif

#endif