3D-printing/OrcaSlicer
1
0
Fork 0
mirror of https://github.com/SoftFever/OrcaSlicer.git synced 2025-10-27 10:41:15 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

Merged branch 'dev_native' into lm_sla_supports_auto

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

108
src/igl/diag.cpp Normal file
View file

@ -0,0 +1,108 @@
// 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 "diag.h"
#include "verbose.h"
// Bug in unsupported/Eigen/SparseExtra needs iostream first
#include <iostream>
#include <unsupported/Eigen/SparseExtra>
template <typename T>
IGL_INLINE void igl::diag(
const Eigen::SparseMatrix<T>& X,
Eigen::SparseVector<T>& V)
{
assert(false && "Just call X.diagonal().sparseView() directly");
V = X.diagonal().sparseView();
//// Get size of input
//int m = X.rows();
//int n = X.cols();
//V = Eigen::SparseVector<T>((m>n?n:m));
//V.reserve(V.size());
//// Iterate over outside
//for(int k=0; k<X.outerSize(); ++k)
//{
// // Iterate over inside
// for(typename Eigen::SparseMatrix<T>::InnerIterator it (X,k); it; ++it)
// {
// if(it.col() == it.row())
// {
// V.coeffRef(it.col()) += it.value();
// }
// }
//}
}
template <typename T,typename DerivedV>
IGL_INLINE void igl::diag(
const Eigen::SparseMatrix<T>& X,
Eigen::MatrixBase<DerivedV> & V)
{
assert(false && "Just call X.diagonal() directly");
V = X.diagonal();
//// Get size of input
//int m = X.rows();
//int n = X.cols();
//V.derived().resize((m>n?n:m),1);
//// Iterate over outside
//for(int k=0; k<X.outerSize(); ++k)
//{
// // Iterate over inside
// for(typename Eigen::SparseMatrix<T>::InnerIterator it (X,k); it; ++it)
// {
// if(it.col() == it.row())
// {
// V(it.col()) = it.value();
// }
// }
//}
}
template <typename T>
IGL_INLINE void igl::diag(
const Eigen::SparseVector<T>& V,
Eigen::SparseMatrix<T>& X)
{
// clear and resize output
Eigen::DynamicSparseMatrix<T, Eigen::RowMajor> dyn_X(V.size(),V.size());
dyn_X.reserve(V.size());
// loop over non-zeros
for(typename Eigen::SparseVector<T>::InnerIterator it(V); it; ++it)
{
dyn_X.coeffRef(it.index(),it.index()) += it.value();
}
X = Eigen::SparseMatrix<T>(dyn_X);
}
template <typename T, typename DerivedV>
IGL_INLINE void igl::diag(
const Eigen::MatrixBase<DerivedV> & V,
Eigen::SparseMatrix<T>& X)
{
assert(V.rows() == 1 || V.cols() == 1);
// clear and resize output
Eigen::DynamicSparseMatrix<T, Eigen::RowMajor> dyn_X(V.size(),V.size());
dyn_X.reserve(V.size());
// loop over non-zeros
for(int i = 0;i<V.size();i++)
{
dyn_X.coeffRef(i,i) += V[i];
}
X = Eigen::SparseMatrix<T>(dyn_X);
}
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
template void igl::diag<double, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(Eigen::SparseMatrix<double, 0, int> const&, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
template void igl::diag<double>(Eigen::SparseMatrix<double, 0, int> const&, Eigen::SparseVector<double, 0, int>&);
template void igl::diag<double, Eigen::Matrix<double, -1, 1, 0, -1, 1> >(Eigen::MatrixBase<Eigen::Matrix<double, -1, 1, 0, -1, 1> > const&, Eigen::SparseMatrix<double, 0, int>&);
template void igl::diag<double>(Eigen::SparseVector<double, 0, int> const&, Eigen::SparseMatrix<double, 0, int>&);
#endif