dust3d/third_party/libigl/include/igl/writeBF.cpp

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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2016 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 "writeBF.h"
#include <fstream>
#include <cassert>
template <
typename DerivedWI,
typename DerivedP,
typename DerivedO>
IGL_INLINE bool igl::writeBF(
const std::string & filename,
const Eigen::PlainObjectBase<DerivedWI> & WI,
const Eigen::PlainObjectBase<DerivedP> & P,
const Eigen::PlainObjectBase<DerivedO> & O)
{
using namespace Eigen;
using namespace std;
const int n = WI.rows();
assert(n == WI.rows() && "WI must have n rows");
assert(n == P.rows() && "P must have n rows");
assert(n == O.rows() && "O must have n rows");
MatrixXd WIPO(n,1+1+3);
for(int i = 0;i<n;i++)
{
WIPO(i,0) = WI(i);
WIPO(i,1) = P(i);
WIPO(i,2+0) = O(i,0);
WIPO(i,2+1) = O(i,1);
WIPO(i,2+2) = O(i,2);
}
ofstream s(filename);
if(!s.is_open())
{
fprintf(stderr,"IOError: writeBF() could not open %s\n",filename.c_str());
return false;
}
s<<
WIPO.format(IOFormat(FullPrecision,DontAlignCols," ","\n","","","","\n"));
return true;
}
#ifdef IGL_STATIC_LIBRARY
template bool igl::writeBF<Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&);
#endif