Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/readMESH.h

@@ -0,0 +1,78 @@
+// 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/.
+#ifndef IGL_READMESH_H
+#define IGL_READMESH_H
+#include "igl_inline.h"
+
+#include <Eigen/Core>
+#include <string>
+#include <vector>
+#include <cstdio>
+
+namespace igl
+{
+  // load a tetrahedral volume mesh from a .mesh file
+  //
+  // Templates:
+  //   Scalar  type for positions and vectors (will be read as double and cast
+  //     to Scalar)
+  //   Index  type for indices (will be read as int and cast to Index)
+  // Input:
+  //   mesh_file_name  path of .mesh file
+  // Outputs:
+  //   V  double matrix of vertex positions  #V by 3
+  //   T  #T list of tet indices into vertex positions
+  //   F  #F list of face indices into vertex positions
+  //
+  // Known bugs: Holes and regions are not supported
+  template <typename Scalar, typename Index>
+  IGL_INLINE bool readMESH(
+    const std::string mesh_file_name,
+    std::vector<std::vector<Scalar > > & V,
+    std::vector<std::vector<Index > > & T,
+    std::vector<std::vector<Index > > & F);
+  // Inputs:
+  //   mesh_file  pointer to already opened .mesh file 
+  // Outputs:
+  //   mesh_file  closed file
+  template <typename Scalar, typename Index>
+  IGL_INLINE bool readMESH(
+    FILE * mesh_file,
+    std::vector<std::vector<Scalar > > & V,
+    std::vector<std::vector<Index > > & T,
+    std::vector<std::vector<Index > > & F);
+
+  // Input:
+  //   mesh_file_name  path of .mesh file
+  // Outputs:
+  //   V  eigen double matrix #V by 3
+  //   T  eigen int matrix #T by 4
+  //   F  eigen int matrix #F by 3
+  template <typename DerivedV, typename DerivedF, typename DerivedT>
+  IGL_INLINE bool readMESH(
+    const std::string mesh_file_name,
+    Eigen::PlainObjectBase<DerivedV>& V,
+    Eigen::PlainObjectBase<DerivedT>& T,
+    Eigen::PlainObjectBase<DerivedF>& F);
+  // Inputs:
+  //   mesh_file  pointer to already opened .mesh file 
+  // Outputs:
+  //   mesh_file  closed file
+  template <typename DerivedV, typename DerivedF, typename DerivedT>
+  IGL_INLINE bool readMESH(
+    FILE * mesh_file,
+    Eigen::PlainObjectBase<DerivedV>& V,
+    Eigen::PlainObjectBase<DerivedT>& T,
+    Eigen::PlainObjectBase<DerivedF>& F);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "readMESH.cpp"
+#endif
+
+#endif