main.cpp

#include<numeric>
#include<xtensor.hpp>
#include<pybind11/pybind11.h>
#defineFORCE_IMPORT_ARRAY
#include<xtensor-python/pyarray.hpp>

doublesum_of_sines(xt::pyarray<double>& m)
{
auto sines = xt::sin(m); // sines does not actually hold values.
returnstd::accumulate(sines.begin(), sines.end(), 0.0);
}

PYBIND11_MODULE(mymodule, m)
{
xt::import_numpy();
 m.doc() = "Test module for xtensor python bindings";
 m.def("sum_of_sines", sum_of_sines, "Sum the sines of the input values");
}