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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/min.cpp Normal file
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#include "min.h"
#include "for_each.h"
#include "find_zero.h"
template <typename AType, typename DerivedB, typename DerivedI>
IGL_INLINE void igl::min(
const Eigen::SparseMatrix<AType> & A,
const int dim,
Eigen::PlainObjectBase<DerivedB> & B,
Eigen::PlainObjectBase<DerivedI> & I)
{
const int n = A.cols();
const int m = A.rows();
B.resize(dim==1?n:m);
B.setConstant(std::numeric_limits<typename DerivedB::Scalar>::max());
I.resize(dim==1?n:m);
for_each(A,[&B,&I,&dim](int i, int j,const typename DerivedB::Scalar v)
{
if(dim == 2)
{
std::swap(i,j);
}
// Coded as if dim == 1, assuming swap for dim == 2
if(v < B(j))
{
B(j) = v;
I(j) = i;
}
});
Eigen::VectorXi Z;
find_zero(A,dim,Z);
for(int j = 0;j<I.size();j++)
{
if(Z(j) != (dim==1?m:n) && 0 < B(j))
{
B(j) = 0;
I(j) = Z(j);
}
}
}