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Sacado_SFINAE_Macros.hpp
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29 
30 #ifndef SACADO_SFINAE_MACROS_H
31 #define SACADO_SFINAE_MACROS_H
32 
33 #include "Sacado_mpl_enable_if.hpp"
35 #include "Sacado_mpl_is_same.hpp"
37 #include "Sacado_mpl_type_wrap.hpp"
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