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Merged branch 'dev_native' into lm_sla_supports_auto

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Added igl library files
This commit is contained in:
Lukas Matena 2018-10-26 15:45:52 +02:00
commit 7681d00ee5
2865 changed files with 142806 additions and 22325 deletions
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src/igl/writeDMAT.cpp Normal file
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// 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 "writeDMAT.h"
#include "list_to_matrix.h"
#include <Eigen/Core>
#include <cstdio>
template <typename DerivedW>
IGL_INLINE bool igl::writeDMAT(
const std::string file_name,
const Eigen::MatrixBase<DerivedW> & W,
const bool ascii)
{
FILE * fp = fopen(file_name.c_str(),"wb");
if(fp == NULL)
{
fprintf(stderr,"IOError: writeDMAT() could not open %s...",file_name.c_str());
return false;
}
if(ascii)
{
// first line contains number of rows and number of columns
fprintf(fp,"%d %d\n",(int)W.cols(),(int)W.rows());
// Loop over columns slowly
for(int j = 0;j < W.cols();j++)
{
// loop over rows (down columns) quickly
for(int i = 0;i < W.rows();i++)
{
fprintf(fp,"%0.17lg\n",(double)W(i,j));
}
}
}else
{
// write header for ascii
fprintf(fp,"0 0\n");
// first line contains number of rows and number of columns
fprintf(fp,"%d %d\n",(int)W.cols(),(int)W.rows());
// reader assumes the binary part is double precision
Eigen::MatrixXd Wd = W.template cast<double>();
fwrite(Wd.data(),sizeof(double),Wd.size(),fp);
//// Loop over columns slowly
//for(int j = 0;j < W.cols();j++)
//{
// // loop over rows (down columns) quickly
// for(int i = 0;i < W.rows();i++)
// {
// double d = (double)W(i,j);
// fwrite(&d,sizeof(double),1,fp);
// }
//}
}
fclose(fp);
return true;
}
template <typename Scalar>
IGL_INLINE bool igl::writeDMAT(
const std::string file_name,
const std::vector<std::vector<Scalar> > & W,
const bool ascii)
{
Eigen::Matrix<Scalar,Eigen::Dynamic,Eigen::Dynamic> mW;
list_to_matrix(W,mW);
return igl::writeDMAT(file_name,mW,ascii);
}
template <typename Scalar>
IGL_INLINE bool igl::writeDMAT(
const std::string file_name,
const std::vector<Scalar > & W,
const bool ascii)
{
Eigen::Matrix<Scalar,Eigen::Dynamic,1> mW;
list_to_matrix(W,mW);
return igl::writeDMAT(file_name,mW,ascii);
}
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
template bool igl::writeDMAT<Eigen::Matrix<double, -1, -1, 0, -1, -1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> >, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, bool);
template bool igl::writeDMAT<Eigen::Matrix<double, 1, 3, 1, 1, 3> >(std::string, Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, bool);
template bool igl::writeDMAT<Eigen::Matrix<float, 1, 3, 1, 1, 3> >(std::string, Eigen::MatrixBase<Eigen::Matrix<float, 1, 3, 1, 1, 3> > const&, bool);
template bool igl::writeDMAT<Eigen::Matrix<int, -1, -1, 0, -1, -1> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> >, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, bool);
template bool igl::writeDMAT<Eigen::Matrix<int, -1, 2, 0, -1, 2> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> >, Eigen::MatrixBase<Eigen::Matrix<int, -1, 2, 0, -1, 2> > const&, bool);
#endif