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#ifndef IGL_PINV_H
#define IGL_PINV_H
#include "igl_inline.h"
#include <Eigen/Core>
namespace igl
{
/// Compute the Moore-Penrose pseudoinverse
///
/// @param[in] A m by n matrix
/// @param[in] tol tolerance (if negative then default is used)
/// @param[out] X n by m matrix so that A*X*A = A and X*A*X = X and A*X =
/// (A*X)' and (X*A) = (X*A)'
///
/// \deprecated Use `Eigen::CompleteOrthogonalDecomposition<Eigen::MatrixXd>`
/// `.solve()` or `.pseudoinverse()` instead.
template <typename DerivedA, typename DerivedX>
void pinv(
const Eigen::MatrixBase<DerivedA> & A,
typename DerivedA::Scalar tol,
Eigen::PlainObjectBase<DerivedX> & X);
/// \overload
template <typename DerivedA, typename DerivedX>
void pinv(
const Eigen::MatrixBase<DerivedA> & A,
Eigen::PlainObjectBase<DerivedX> & X);
}
#ifndef IGL_STATIC_LIBRARY
# include "pinv.cpp"
#endif
#endif