55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
// 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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#include "rows_to_matrix.h"
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#include <cassert>
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#include <cstdio>
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#include "max_size.h"
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#include "min_size.h"
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template <class Row, class Mat>
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IGL_INLINE bool igl::rows_to_matrix(const std::vector<Row> & V,Mat & M)
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{
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// number of columns
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int m = V.size();
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if(m == 0)
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{
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fprintf(stderr,"Error: rows_to_matrix() list is empty()\n");
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return false;
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}
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// number of rows
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int n = igl::min_size(V);
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if(n != igl::max_size(V))
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{
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fprintf(stderr,"Error: rows_to_matrix()"
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" list elements are not all the same size\n");
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return false;
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}
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assert(n != -1);
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// Resize output
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M.resize(m,n);
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// Loop over rows
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int i = 0;
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typename std::vector<Row>::const_iterator iter = V.begin();
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while(iter != V.end())
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{
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M.row(i) = V[i];
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// increment index and iterator
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i++;
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iter++;
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}
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return true;
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}
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#ifdef IGL_STATIC_LIBRARY
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// Explicit template instantiation
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#endif
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