rm blank function

Former-commit-id: 90d90af3756908d5b2b279a9b8501e5a882f2d0a

include/igl/kronecker_product.cpp

@@ -1,65 +0,0 @@
-// This file is part of libigl, a simple c++ geometry processing library.
-//
-// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@gmail.com>
-//
-// This Source Code Form is subject to the terms of the Mozilla Public License
-// v. 2.0. If a copy of the MPL was not distributed with this file, You can
-// obtain one at http://mozilla.org/MPL/2.0/.
-#include "kronecker_product.h"
-
-//// Bug in unsupported/Eigen/SparseExtra needs iostream first
-//#include <iostream>
-//#include <unsupported/Eigen/SparseExtra>
-//
-//template <typename Scalar>
-//IGL_INLINE Eigen::SparseMatrix<Scalar> igl::kronecker_product(
-//  const Eigen::SparseMatrix<Scalar> & A,
-//  const Eigen::SparseMatrix<Scalar> & B)
-//{
-//  using namespace Eigen;
-//  using namespace std;
-//
-//  // Convert B in triplets format
-//  MatrixXd B_triplets(B.nonZeros(),3);
-//  int count = 0;
-//  for (int k=0; k<B.outerSize(); ++k)
-//    for (SparseMatrix<double>::InnerIterator it(B,k); it; ++it)
-//      B_triplets.row(count++) << it.row(), it.col(), it.value();
-//
-//  MatrixXd C_triplets(B_triplets.rows()*A.nonZeros(),3);
-//  count = 0;
-//  for (int k=0; k<A.outerSize(); ++k)
-//    for (SparseMatrix<double>::InnerIterator it(A,k); it; ++it)
-//    {
-//      int i = it.row();
-//      int j = it.col();
-//      double v = it.value();
-//
-//      MatrixXd B_triplets_copy = B_triplets;
-//      B_triplets_copy.col(0) = B_triplets_copy.col(0).array() + double(B.rows()*i);
-//      B_triplets_copy.col(1) = B_triplets_copy.col(1).array() + double(B.cols()*j);
-//      B_triplets_copy.col(2) = B_triplets_copy.col(2).array() * v;
-//
-//      C_triplets.block(count*B_triplets.rows(),0,
-//                       B_triplets.rows(), B_triplets.cols()) = B_triplets_copy;
-//
-//      count++;
-//    }
-//
-//  typedef Eigen::Triplet<double> T;
-//  std::vector<T> triplets;
-//  triplets.reserve(C_triplets.rows());
-//  
-//  for(unsigned i=0; i<C_triplets.rows(); ++i)
-//    triplets.push_back(T(C_triplets(i,0),C_triplets(i,1),C_triplets(i,2)));
-//  SparseMatrix<Scalar> C(A.rows()*B.rows(),A.cols()*B.cols());
-//  C.setFromTriplets(triplets.begin(),triplets.end());
-//  
-//  return C;
-//}
-//
-//#ifdef IGL_STATIC_LIBRARY
-//// Explicit template specialization
-//// generated by autoexplicit.sh
-//template Eigen::SparseMatrix<double, 0, int> igl::kronecker_product<double>(Eigen::SparseMatrix<double, 0, int> const&, Eigen::SparseMatrix<double, 0, int> const&);
-//#endif

include/igl/kronecker_product.h

@@ -1,40 +0,0 @@
-// This file is part of libigl, a simple c++ geometry processing library.
-//
-// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@gmail.com>
-//
-// This Source Code Form is subject to the terms of the Mozilla Public License
-// v. 2.0. If a copy of the MPL was not distributed with this file, You can
-// obtain one at http://mozilla.org/MPL/2.0/.
-#ifndef IGL_KRONECKERPRODUCT_H
-#define IGL_KRONECKERPRODUCT_H
-
-// Obsolete: Use 
-// #include <unsupported/Eigen/src/KroneckerProduct>
-// ...
-// Eigen::kroneckerProduct(A,B,C);
-
-//#include "igl_inline.h"
-//
-//#include <Eigen/Dense>
-//#include <Eigen/Sparse>
-//
-//namespace igl
-//{
-//  // Computes the Kronecker product between sparse matrices A and B.
-//  //
-//  // Inputs:
-//  //   A  #M by #N sparse matrix
-//  //   B  #P by #Q sparse matrix
-//  // Returns #M*#P by #N*#Q sparse matrix
-//  //
-//  template <typename Scalar>
-//  IGL_INLINE Eigen::SparseMatrix<Scalar> kronecker_product(
-//    const Eigen::SparseMatrix<Scalar> & A,
-//    const Eigen::SparseMatrix<Scalar> & B);
-//}
-//
-//#ifndef IGL_STATIC_LIBRARY
-//#  include "kronecker_product.cpp"
-//#endif
-
-#endif