GV

GeezerVison

The World Wide Web, restored to 800 pixels of glory.

Home|About|Gaming cabinet|Archives|How it works|Starter sites

On this site

  • Sign in
  • ActionsCI/CD and automation
  • CodespacesCloud development environments
  • All Features
  • Documentation
  • Training
  • Certifications
  • Build with Copilot
  • Customize Copilot
  • Integrations
  • Trending repos
  • GitHub Sponsors
  • Developer articles
  • Enterprises

This view

  • Original page
  • New address

GeezerVison is showing github.com — xtensor-python/test_python/main.cpp at master · phaustin/xtensor-python

Expand file tree

/

main.cpp

Copy path
More file actions
More file actions

Latest commit

 

History

History
History
97 lines (74 loc) · 2.36 KB
/

main.cpp

Copy path

File metadata and controls

97 lines (74 loc) · 2.36 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
/***************************************************************************
* 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.cbegin(), sines.cend(), 0.0);
}
double readme_example2(double i, double j)
{
return std::sin(i) - std::cos(j);
}
auto complex_overload(const xt::pyarray<std::complex<double>>& a)
{
return a;
}
auto no_complex_overload(const xt::pyarray<double>& a)
{
return a;
}
auto complex_overload_reg(const std::complex<double>& a)
{
return a;
}
auto no_complex_overload_reg(const double& a)
{
return a;
}
// Vectorize Examples
int add(int i, int j)
{
return i + j;
}
PYBIND11_PLUGIN(xtensor_python_test)
{
xt::import_numpy();
py::module m("xtensor_python_test", "Test module for xtensor python bindings");
m.def("example1", example1);
m.def("example2", example2);
m.def("complex_overload", no_complex_overload);
m.def("complex_overload", complex_overload);
m.def("complex_overload_reg", no_complex_overload_reg);
m.def("complex_overload_reg", complex_overload_reg);
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();
}
You are visitor 01402503 — GeezerVison does not store the pages you look up.
Best viewed with Netscape Navigator 4.7 or Internet Explorer 6 at 800×600. No cookies required.