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Sacado_SFINAE_Macros.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_SFINAE_MACROS_H
31#define SACADO_SFINAE_MACROS_H
32
38
39/* Define some macros useful for disabling template function overloads */
40#define SACADO_ENABLE_IF_SAME(TYPE1, TYPE2, RETURN_TYPE) \
41 typename mpl::enable_if_c<mpl::is_convertible< TYPE1 , TYPE2 >::value && ExprLevel<TYPE1>::value == ExprLevel<TYPE2>::value, RETURN_TYPE >::type
42#define SACADO_ENABLE_EXPR_FUNC(RETURN_TYPE) \
43 SACADO_ENABLE_IF_SAME(typename Expr<S>::value_type, value_type, RETURN_TYPE)
44#define SACADO_ENABLE_EXPR_CTOR_DEF SACADO_ENABLE_EXPR_FUNC(void*)
45#define SACADO_ENABLE_EXPR_CTOR_DECL SACADO_ENABLE_EXPR_CTOR_DEF = 0
46#define SACADO_FAD_ENABLE_EXPR_FUNC \
47 SACADO_ENABLE_IF_SAME(typename Expr<S>::value_type, typename FAD::value_type, FAD&)
48
49#define SACADO_EXP_ENABLE_EXPR_FUNC(RETURN_TYPE) \
50 SACADO_ENABLE_IF_SAME(typename Expr<S>::derived_type::value_type, value_type, RETURN_TYPE)
51#define SACADO_EXP_ENABLE_EXPR_CTOR_DEF \
52 typename mpl::enable_if_c< \
53 mpl::is_convertible< typename Expr<S>::derived_type::value_type , \
54 value_type >::value && \
55 (ExprLevel< typename Expr<S>::derived_type::value_type >::value == \
56 ExprLevel< value_type >::value) && \
57 !is_view, void* >::type
58#define SACADO_EXP_ENABLE_EXPR_CTOR_DECL SACADO_EXP_ENABLE_EXPR_CTOR_DEF = 0
59#define SACADO_FAD_EXP_ENABLE_EXPR_FUNC \
60 SACADO_ENABLE_IF_SAME(typename Expr<S>::derived_type::value_type, typename FAD::value_type, FAD&)
61
62#define SACADO_ENABLE_IF_CONVERTIBLE(TYPE1, TYPE2, RETURN_TYPE) \
63 typename Sacado::mpl::enable_if<Sacado::mpl::is_convertible< TYPE1 , TYPE2 >, RETURN_TYPE >::type
64#define SACADO_ENABLE_VALUE_FUNC(RETURN_TYPE) \
65 SACADO_ENABLE_IF_CONVERTIBLE(S, value_type, RETURN_TYPE)
66#define SACADO_ENABLE_VALUE_CTOR_DEF SACADO_ENABLE_VALUE_FUNC(void*)
67#define SACADO_ENABLE_VALUE_CTOR_DECL SACADO_ENABLE_VALUE_CTOR_DEF = 0
68
69#define SACADO_EXP_ENABLE_VALUE_CTOR_DEF \
70 typename mpl::enable_if_c< \
71 Sacado::mpl::is_convertible< S , value_type >::value && \
72 !is_view, void* >::type
73#define SACADO_EXP_ENABLE_VALUE_CTOR_DECL SACADO_EXP_ENABLE_VALUE_CTOR_DEF = 0
74
75#define SACADO_FAD_OP_ENABLE_EXPR_EXPR(OP) \
76 typename mpl::enable_if_c< IsFadExpr<T1>::value && IsFadExpr<T2>::value && \
77 ExprLevel<T1>::value == ExprLevel<T2>::value, \
78 Expr< OP< T1, T2 > > \
79 >::type
80#define SACADO_FAD_EXP_OP_ENABLE_EXPR_EXPR(OP) \
81 typename mpl::enable_if_c< IsFadExpr<T1>::value && IsFadExpr<T2>::value && \
82 ExprLevel<T1>::value == ExprLevel<T2>::value, \
83 OP< typename Expr<T1>::derived_type, typename Expr<T2>::derived_type, false, false, typename T1::expr_spec_type > \
84 >::type
85#define SACADO_FAD_OP_ENABLE_SCALAR_EXPR(OP) \
86 typename mpl::disable_if<mpl::is_same< typename Expr<T>::value_type, typename Expr<T>::scalar_type>, Expr< OP< ConstExpr<typename Expr<T>::scalar_type>, Expr<T> > > >::type
87#define SACADO_FAD_OP_ENABLE_EXPR_SCALAR(OP) \
88 typename mpl::disable_if<mpl::is_same< typename Expr<T>::value_type, typename Expr<T>::scalar_type>, Expr< OP< Expr<T>, ConstExpr<typename Expr<T>::scalar_type> > > >::type
89#define SACADO_FAD_EXP_OP_ENABLE_SCALAR_EXPR(OP) \
90 typename mpl::disable_if<mpl::is_same< typename T::value_type, typename T::scalar_type>, OP< typename T::scalar_type, typename Expr<T>::derived_type, true, false, typename T::expr_spec_type > >::type
91#define SACADO_FAD_EXP_OP_ENABLE_EXPR_SCALAR(OP) \
92 typename mpl::disable_if<mpl::is_same< typename T::value_type, typename T::scalar_type>, OP< typename Expr<T>::derived_type, typename T::scalar_type, false, true, typename T::expr_spec_type > >::type
93
94#endif // SACADO_SFINAE_MACROS_H