54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_REPMAT_H
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#define IGL_REPMAT_H
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#include "igl_inline.h"
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#define EIGEN_YES_I_KNOW_SPARSE_MODULE_IS_NOT_STABLE_YET
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#include <Eigen/Dense>
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#include <Eigen/Sparse>
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namespace igl
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{
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// At least for Dense matrices this is replaced by `replicate` e.g., dst = src.replicate(n,m);
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// http://forum.kde.org/viewtopic.php?f=74&t=90876#p173517
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// Ideally this is a super overloaded function that behaves just like
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// matlab's repmat
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// Replicate and tile a matrix
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//
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// Templates:
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// T should be a eigen matrix primitive type like int or double
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// Inputs:
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// A m by n input matrix
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// r number of row-direction copies
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// c number of col-direction copies
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// Outputs:
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// B r*m by c*n output matrix
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//
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template <typename DerivedA,typename DerivedB>
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IGL_INLINE void repmat(
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const Eigen::MatrixBase<DerivedA> & A,
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const int r,
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const int c,
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Eigen::PlainObjectBase<DerivedB> & B);
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template <typename T>
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IGL_INLINE void repmat(
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const Eigen::SparseMatrix<T> & A,
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const int r,
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const int c,
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Eigen::SparseMatrix<T> & B);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "repmat.cpp"
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#endif
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#endif
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