lsst.sphgeom gfb2c8f9998+0a940c1c1f
utils.h
1/*
2 * LSST Data Management System
3 * See COPYRIGHT file at the top of the source tree.
4 *
5 * This product includes software developed by the
6 * LSST Project (http://www.lsst.org/).
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the LSST License Statement and
19 * the GNU General Public License along with this program. If not,
20 * see <https://www.lsstcorp.org/LegalNotices/>.
21 */
22
23#ifndef LSST_SPHGEOM_PYTHON_UTILS_H_
24#define LSST_SPHGEOM_PYTHON_UTILS_H_
25
26#include "pybind11/pybind11.h"
27
28#include <limits>
29#include <sstream>
30#include <stdexcept>
31
32#include "lsst/sphgeom/Region.h"
33
34namespace lsst {
35namespace sphgeom {
36namespace python {
37
40inline ptrdiff_t convertIndex(ptrdiff_t len, pybind11::int_ i) {
41 auto j = static_cast<ptrdiff_t>(i);
42 if ((j == -1 && PyErr_Occurred()) || j < -len || j >= len) {
43 PyErr_Clear();
44 throw pybind11::index_error(
45 pybind11::str("Index {} not in range({}, {})")
46 .format(i, -len, len));
47 }
48 return (j < 0) ? j + len : j;
49}
50
51
53inline pybind11::bytes encode(Region const &self) {
54 std::vector<uint8_t> bytes = self.encode();
55 return pybind11::bytes(reinterpret_cast<char const *>(bytes.data()),
56 bytes.size());
57}
58
59} // python
60} // sphgeom
61} // lsst
62
63#endif // LSST_SPHGEOM_PYTHON_UTILS_H_
This file defines an interface for spherical regions.