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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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64
src/igl/grid_search.cpp Normal file
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#include "grid_search.h"
#include <iostream>
#include <cassert>
template <
typename Scalar,
typename DerivedX,
typename DerivedLB,
typename DerivedUB,
typename DerivedI>
IGL_INLINE Scalar igl::grid_search(
const std::function< Scalar (DerivedX &) > f,
const Eigen::MatrixBase<DerivedLB> & LB,
const Eigen::MatrixBase<DerivedUB> & UB,
const Eigen::MatrixBase<DerivedI> & I,
DerivedX & X)
{
Scalar fval = std::numeric_limits<Scalar>::max();
const int dim = LB.size();
assert(UB.size() == dim && "UB should match LB size");
assert(I.size() == dim && "I should match LB size");
X.resize(dim);
// Working X value
DerivedX Xrun(dim);
std::function<void(const int, DerivedX &)> looper;
int calls = 0;
looper = [&](
const int d,
DerivedX & Xrun)
{
assert(d < dim);
Eigen::Matrix<Scalar,Eigen::Dynamic,1> vals =
Eigen::Matrix<Scalar,Eigen::Dynamic,1>::LinSpaced(I(d),LB(d),UB(d));
for(int c = 0;c<I(d);c++)
{
Xrun(d) = vals(c);
if(d+1 < dim)
{
looper(d+1,Xrun);
}else
{
//std::cout<<"call: "<<calls<<std::endl;
// Base case
const Scalar val = f(Xrun);
calls++;
if(val < fval)
{
fval = val;
X = Xrun;
std::cout<<calls<<": "<<fval<<" | "<<X<<std::endl;
}
}
}
};
looper(0,Xrun);
return fval;
}
#ifdef IGL_STATIC_LIBRARY
template double igl::grid_search<double, Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<int, 1, 3, 1, 1, 3> >(std::function<double (Eigen::Matrix<double, 1, 3, 1, 1, 3>&)>, Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<int, 1, 3, 1, 1, 3> > const&, Eigen::Matrix<double, 1, 3, 1, 1, 3>&);
template float igl::grid_search<float, Eigen::Matrix<float, 1, -1, 1, 1, -1>, Eigen::Matrix<float, 1, -1, 1, 1, -1>, Eigen::Matrix<float, 1, -1, 1, 1, -1>, Eigen::Matrix<int, 1, -1, 1, 1, -1> >(std::function<float (Eigen::Matrix<float, 1, -1, 1, 1, -1>&)>, Eigen::MatrixBase<Eigen::Matrix<float, 1, -1, 1, 1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<float, 1, -1, 1, 1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, 1, -1, 1, 1, -1> > const&, Eigen::Matrix<float, 1, -1, 1, 1, -1>&);
#endif