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/***************************************************************************
* Copyright (c) 2016, Johan Mabille and Sylvain Corlay *
* *
* Distributed under the terms of the BSD 3-Clause License. *
* *
* The full license is in the file LICENSE, distributed with this software. *
****************************************************************************/
#include <numeric>
#include "xtensor/xmath.hpp"
#include "xtensor/xarray.hpp"
#define FORCE_IMPORT_ARRAY
#include "xtensor-python/pyarray.hpp"
#include "xtensor-python/pyvectorize.hpp"
namespace py = pybind11;
using complex_t = std::complex<double>;
// Examples
double example1(xt::pyarray<double>& m)
{
return m(0);
}
xt::pyarray<double> example2(xt::pyarray<double>& m)
{
return m + 2;
}
// Readme Examples
double readme_example1(xt::pyarray<double>& m)
{
auto sines = xt::sin(m);
return std::accumulate(sines.begin(), sines.end(), 0.0);
}
double readme_example2(double i, double j)
{
return std::sin(i) - std::cos(j);
}
// Vectorize Examples
int add(int i, int j)
{
return i + j;
}
PYBIND11_PLUGIN(xtensor_python_test)
{
import_array()
py::module m("xtensor_python_test", "Test module for xtensor python bindings");
m.def("example1", example1);
m.def("example2", example2);
m.def("readme_example1", readme_example1);
m.def("readme_example2", xt::pyvectorize(readme_example2));
m.def("vectorize_example1", xt::pyvectorize(add));
m.def("rect_to_polar", xt::pyvectorize([](complex_t x) { return std::abs(x); }));
m.def("compare_shapes", [](const xt::pyarray<double>& a, const xt::pyarray<double>& b) {
return a.shape() == b.shape();
});
return m.ptr();
}