Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/rows_to_matrix.cpp

@@ -0,0 +1,54 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2013 Alec Jacobson <alecjacobson@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 "rows_to_matrix.h"
+
+#include <cassert>
+#include <cstdio>
+
+#include "max_size.h"
+#include "min_size.h"
+
+template <class Row, class Mat>
+IGL_INLINE bool igl::rows_to_matrix(const std::vector<Row> & V,Mat & M)
+{
+  // number of columns
+  int m = V.size();
+  if(m == 0)
+  {
+    fprintf(stderr,"Error: rows_to_matrix() list is empty()\n");
+    return false;
+  }
+  // number of rows
+  int n = igl::min_size(V);
+  if(n != igl::max_size(V))
+  {
+    fprintf(stderr,"Error: rows_to_matrix()"
+      " list elements are not all the same size\n");
+    return false;
+  }
+  assert(n != -1);
+  // Resize output
+  M.resize(m,n);
+
+  // Loop over rows
+  int i = 0;
+  typename std::vector<Row>::const_iterator iter = V.begin();
+  while(iter != V.end())
+  {
+    M.row(i) = V[i];
+    // increment index and iterator
+    i++;
+    iter++;
+  }
+
+  return true;
+}
+
+#ifdef IGL_STATIC_LIBRARY
+// Explicit template instantiation
+#endif