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#ifndef IGL_PINV_H
#define IGL_PINV_H
#include "igl_inline.h"
#include "deprecated.h"
#include <Eigen/Core>
namespace igl
{
// Compute the Moore-Penrose pseudoinverse
//
// Inputs:
// A m by n matrix
// tol tolerance (if negative then default is used)
// Outputs:
// 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)'
//
// Obsolete: Use Eigen::CompleteOrthogonalDecomposition<Eigen::MatrixXd>
// .solve() or .pseudoinverse() instead.
template <typename DerivedA, typename DerivedX>
IGL_DEPRECATED void pinv(
const Eigen::MatrixBase<DerivedA> & A,
typename DerivedA::Scalar tol,
Eigen::PlainObjectBase<DerivedX> & X);
// Wrapper using default tol
template <typename DerivedA, typename DerivedX>
IGL_DEPRECATED void pinv(
const Eigen::MatrixBase<DerivedA> & A,
Eigen::PlainObjectBase<DerivedX> & X);
}
#ifndef IGL_STATIC_LIBRARY
# include "pinv.cpp"
#endif
#endif