// This file is part of libigl, a simple c++ geometry processing library. // // Copyright (C) 2016 Michael Rabinovich <michaelrabinovich27@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_EULER_CHARACTERISTIC_H #define IGL_EULER_CHARACTERISTIC_H #include "igl_inline.h" #include <Eigen/Dense> #include <Eigen/Sparse> #include <vector> namespace igl { // Computes the Euler characteristic of a given mesh (V,F) // Templates: // Scalar should be a floating point number type // Index should be an integer type // Inputs: // V #V by dim list of mesh vertex positions // F #F by dim list of mesh faces (must be triangles) // Outputs: // An int containing the Euler characteristic template <typename Scalar, typename Index> IGL_INLINE int euler_characteristic( const Eigen::PlainObjectBase<Scalar> & V, const Eigen::PlainObjectBase<Index> & F); } #ifndef IGL_STATIC_LIBRARY # include "euler_characteristic.cpp" #endif #endif