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Sacado_CacheFad_ExpressionTraits.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_CACHEFAD_EXPRESSIONTRAITS_HPP
31#define SACADO_CACHEFAD_EXPRESSIONTRAITS_HPP
32
33#include "Sacado_Traits.hpp"
34
35// Forward declarations
36namespace Sacado {
37 namespace CacheFad {
38 template <typename T> class Expr;
39 }
40}
41
42namespace Sacado {
43
45 SACADO_EXPR_PROMOTE_SPEC( CacheFad )
46
47
48 template <typename T>
49 struct ScalarType< CacheFad::Expr<T> > {
51 };
52
54 template <typename T>
55 struct ValueType< CacheFad::Expr<T> > {
57 };
58
60 template <typename T>
61 struct IsADType< CacheFad::Expr<T> > {
62 static const bool value = true;
63 };
64
66 template <typename T>
67 struct IsScalarType< CacheFad::Expr<T> > {
68 static const bool value = false;
69 };
70
72 template <typename T>
73 struct Value< CacheFad::Expr<T> > {
74 typedef typename ValueType< CacheFad::Expr<T> >::type value_type;
76 static const value_type& eval(const CacheFad::Expr<T>& x) {
77 return x.val(); }
78 };
79
81 template <typename T>
82 struct ScalarValue< CacheFad::Expr<T> > {
83 typedef typename ValueType< CacheFad::Expr<T> >::type value_type;
86 static const scalar_type& eval(const CacheFad::Expr<T>& x) {
87 return ScalarValue<value_type>::eval(x.val()); }
88 };
89
90} // namespace Sacado
91
92#endif // SACADO_CACHEFAD_EXPRESSIONTRAITS_HPP
#define SACADO_INLINE_FUNCTION
#define SACADO_EXPR_PROMOTE_SPEC(NS)
Wrapper for a generic expression template.
Base template specification for IsADType.
static const bool value
Base template specification for IsScalarType.
static const bool value
ScalarType< typenameCacheFad::Expr< T >::value_type >::type type
Base template specification for ScalarType.
static SACADO_INLINE_FUNCTION const scalar_type & eval(const CacheFad::Expr< T > &x)
Base template specification for ScalarValue.
static SACADO_INLINE_FUNCTION const T & eval(const T &x)
Base template specification for ValueType.
ValueType< CacheFad::Expr< T > >::type value_type
static SACADO_INLINE_FUNCTION const value_type & eval(const CacheFad::Expr< T > &x)
Base template specification for Value.