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BlasOverrideUtil.hpp
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7 // Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
8 // Department of Aeronautics, Imperial College London (UK), and Scientific
9 // Computing and Imaging Institute, University of Utah (USA).
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29 //
30 // Description: Defines the global functions needed for matrix operations.
31 //
32 ///////////////////////////////////////////////////////////////////////////////
33 
34 #ifndef NEKTAR_LIB_UTILITIES_LINEAR_ALGEBRA_BLAS_OVERRIDE_UTIL_HPP
35 #define NEKTAR_LIB_UTILITIES_LINEAR_ALGEBRA_BLAS_OVERRIDE_UTIL_HPP
36 
37 #ifdef NEKTAR_USE_EXPRESSION_TEMPLATES
38 
39 #include <ExpressionTemplates/Node.hpp>
40 #include <boost/type_traits.hpp>
41 #include <boost/utility/enable_if.hpp>
42 
43 namespace expt
44 {
45  template<typename NodeType, template <typename> class LhsTest, typename TestOpType,
46  template <typename> class RhsTest, typename enabled=void>
47  struct TestBinaryNode : public boost::false_type {};
48 
49  template<typename L, typename OpType, typename R, template <typename> class LhsTest,
50  typename TestOpType, template <typename> class RhsTest>
51  struct TestBinaryNode<Node<L, OpType, R>, LhsTest, TestOpType, RhsTest,
52  typename boost::enable_if
53  <
54  boost::mpl::and_
55  <
56  boost::is_same<OpType, TestOpType>,
57  LhsTest<typename L::ResultType>,
58  RhsTest<typename R::ResultType>
59  >
60  >::type> : public boost::true_type {};
61 
62  template<typename NodeType, template <typename> class T1Type, typename TestOp1Type, template <typename> class T2Type,
63  typename TestOp2Type, template <typename> class T3Type, typename enabled=void>
64  struct Test3ArgumentAssociativeNode : public boost::false_type {};
65 
66  template<typename A1, typename Op1Type, typename A2, typename Op2Type, typename A3,
67  template <typename> class T1Type, typename TestOp1Type, template <typename> class T2Type, typename TestOp2Type,
68  template <typename> class T3Type>
69  struct Test3ArgumentAssociativeNode<Node<Node<A1, Op1Type, A2>, Op2Type, A3>, T1Type, TestOp1Type, T2Type, TestOp2Type, T3Type,
70  typename boost::enable_if
71  <
72  boost::mpl::and_
73  <
74  boost::is_same<Op1Type, TestOp1Type>,
75  boost::is_same<Op2Type, TestOp2Type>,
76  T1Type<typename A1::ResultType>,
77  T2Type<typename A2::ResultType>,
78  T3Type<typename A3::ResultType>
79  >
80  >::type> : public boost::true_type {};
81 
82 }
83 
84 #endif
85 #endif
86 
87