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negate.hh
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1 //------------------------------------------------------------------------------
2 // This file is part of the OpenStructure project <www.openstructure.org>
3 //
4 // Copyright (C) 2008-2020 by the OpenStructure authors
5 // Copyright (C) 2003-2010 by the IPLT authors
6 //
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License as published by the Free
9 // Software Foundation; either version 3.0 of the License, or (at your option)
10 // any later version.
11 // This library is distributed in the hope that it will be useful, but WITHOUT
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13 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
14 // details.
15 //
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18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 //------------------------------------------------------------------------------
20 
21 #ifndef IMG_ALG_NEGATE_HH
22 #define IMG_ALG_NEGATE_HH
23 
24 #include <ost/img/image.hh>
25 #include <ost/img/image_state.hh>
26 
27 namespace ost { namespace img { namespace alg {
28 
29 namespace {
30 
31 struct NegateFnc {
32  template <typename T, class D>
33  void VisitState(ImageStateImpl<T,D>& isi) const {
34  for(T* p = isi.Data().GetData(); p<isi.Data().GetEnd();++p) {
35  (*p)=-(*p);
36  }
37  }
38 
39  static String GetAlgorithmName() {return "Negate";}
40 };
41 
42 } // anon ns
43 
44 typedef ImageStateConstModIPAlgorithm<NegateFnc> Negate;
45 
46 }
47 
48 // completely inlined definition does not need template instantiation
49 
50  }} // ns
51 
52 
53 
54 #endif
std::string String
Definition: base.hh:54
ImageStateConstModIPAlgorithm< NegateFnc > Negate
Definition: negate.hh:44