Alexandria  2.19
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NpyWriter.icpp
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1 /*
2  * Copyright (C) 2012-2021 Euclid Science Ground Segment
3  *
4  * This library is free software; you can redistribute it and/or modify it under
5  * the terms of the GNU Lesser General Public License as published by the Free
6  * Software Foundation; either version 3.0 of the License, or (at your option)
7  * any later version.
8  *
9  * This library is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12  * details.
13  *
14  * You should have received a copy of the GNU Lesser General Public License
15  * along with this library; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifdef NPY_IMPL
20 
21 #ifdef __APPLE__
22 #include <machine/endian.h>
23 #else
24 #include <endian.h>
25 #endif
26 #include "NdArray/NdArray.h"
27 #include "NpyCommon.h"
29 #include <boost/endian/arithmetic.hpp>
30 #include <sstream>
31 
32 namespace Euclid {
33 namespace NdArray {
34 
35 /*
36  * Implementation of writeNpy
37  */
38 template <typename T>
39 void writeNpy(std::ostream& out, const NdArray<T>& array) {
40  writeNpyHeader<T>(out, array.shape(), array.attributes());
41  // The header already has the endian type, so just dump the content of the array
42  for (auto v : array) {
43  out.write(reinterpret_cast<const char*>(&v), sizeof(v));
44  }
45 }
46 
47 } // end of namespace NdArray
48 } // end of namespace Euclid
49 
50 #endif // NPY_IMPL
void writeNpy(std::ostream &out, const NdArray< T > &array)
STL class.