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Sacado_mpl_if.hpp
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1// @HEADER
2// ***********************************************************************
3//
4// Sacado Package
5// Copyright (2006) Sandia Corporation
6//
7// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
8// the U.S. Government retains certain rights in this software.
9//
10// This library is free software; you can redistribute it and/or modify
11// it under the terms of the GNU Lesser General Public License as
12// published by the Free Software Foundation; either version 2.1 of the
13// License, or (at your option) any later version.
14//
15// This library is distributed in the hope that it will be useful, but
16// WITHOUT ANY WARRANTY; without even the implied warranty of
17// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18// Lesser General Public License for more details.
19//
20// You should have received a copy of the GNU Lesser General Public
21// License along with this library; if not, write to the Free Software
22// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
23// USA
24// Questions? Contact David M. Gay (dmgay@sandia.gov) or Eric T. Phipps
25// (etphipp@sandia.gov).
26//
27// ***********************************************************************
28// @HEADER
29
30#ifndef SACADO_MPL_IF_HPP
31#define SACADO_MPL_IF_HPP
32
34
35namespace Sacado {
36
37 namespace mpl {
38
39 template <bool cond, class T1, class T2> struct mpl_if_c {};
40 template <class T1, class T2> struct mpl_if_c<true,T1,T2> :
41 type_wrap<T1> {};
42 template <class T1, class T2> struct mpl_if_c<false,T1,T2> :
43 type_wrap<T2> {};
44
45 template <class C, class T1, class T2> struct mpl_if :
46 mpl_if_c<C::value,T1,T2> {};
47
48 }
49
50}
51
52#endif // SACADO_MPL_IF_HPP
expr expr expr bar false
expr true
#define T1(r, f)
#define T2(r, f)