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Added python interface to find_min_global()

This commit is contained in:
Davis King 2017-12-02 08:55:02 -05:00
parent e273f5159d
commit 5e8e997bf7
1 changed files with 64 additions and 0 deletions
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64
tools/python/src/global_optimization.cpp
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@ -132,6 +132,52 @@ boost::python::tuple py_find_max_global2 (
// ----------------------------------------------------------------------------------------
boost::python::tuple py_find_min_global (
object f,
boost::python::list bound1,
boost::python::list bound2,
boost::python::list is_integer_variable,
unsigned long num_function_calls,
double solver_epsilon = 0
)
{
DLIB_CASSERT(len(bound1) == len(bound2));
DLIB_CASSERT(len(bound1) == len(is_integer_variable));
auto func = [&](const matrix<double,0,1>& x)
{
return call_func(f, x);
};
auto result = find_min_global(func, list_to_mat(bound1), list_to_mat(bound2),
list_to_bool_vector(is_integer_variable), max_function_calls(num_function_calls),
solver_epsilon);
return boost::python::make_tuple(mat_to_list(result.x),result.y);
}
boost::python::tuple py_find_min_global2 (
object f,
boost::python::list bound1,
boost::python::list bound2,
unsigned long num_function_calls,
double solver_epsilon = 0
)
{
DLIB_CASSERT(len(bound1) == len(bound2));
auto func = [&](const matrix<double,0,1>& x)
{
return call_func(f, x);
};
auto result = find_min_global(func, list_to_mat(bound1), list_to_mat(bound2), max_function_calls(num_function_calls), solver_epsilon);
return boost::python::make_tuple(mat_to_list(result.x),result.y);
}
// ----------------------------------------------------------------------------------------
void bind_global_optimization()
{
/*!
@ -244,5 +290,23 @@ ensures \n\
(arg("f"), arg("bound1"), arg("bound2"), arg("num_function_calls"), arg("solver_epsilon")=0)
);
}
{
def("find_min_global", &py_find_min_global,
"This function is just like find_max_global(), except it performs minimization rather than maximization."
,
(arg("f"), arg("bound1"), arg("bound2"), arg("is_integer_variable"), arg("num_function_calls"), arg("solver_epsilon")=0)
);
}
{
def("find_min_global", &py_find_min_global2,
"This function simply calls the other version of find_min_global() with is_integer_variable set to False for all variables.",
(arg("f"), arg("bound1"), arg("bound2"), arg("num_function_calls"), arg("solver_epsilon")=0)
);
}
}