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144 lines
4.9 KiB
144 lines
4.9 KiB
11 years ago
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/*
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* Copyright 2008-2012 NVIDIA Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <thrust/detail/config.h>
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#include <thrust/detail/pointer.h>
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namespace thrust
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{
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template<typename Element, typename Tag, typename Reference, typename Derived>
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pointer<Element,Tag,Reference,Derived>
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::pointer()
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: super_t(static_cast<Element*>(0))
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{} // end pointer::pointer
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template<typename Element, typename Tag, typename Reference, typename Derived>
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template<typename OtherElement>
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pointer<Element,Tag,Reference,Derived>
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::pointer(OtherElement *other)
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: super_t(other)
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{} // end pointer::pointer
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template<typename Element, typename Tag, typename Reference, typename Derived>
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template<typename OtherPointer>
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pointer<Element,Tag,Reference,Derived>
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::pointer(const OtherPointer &other,
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typename thrust::detail::enable_if_pointer_is_convertible<
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OtherPointer,
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pointer<Element,Tag,Reference,Derived>
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>::type *)
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: super_t(thrust::detail::pointer_traits<OtherPointer>::get(other))
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{} // end pointer::pointer
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template<typename Element, typename Tag, typename Reference, typename Derived>
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template<typename OtherPointer>
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typename thrust::detail::enable_if_pointer_is_convertible<
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OtherPointer,
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pointer<Element,Tag,Reference,Derived>,
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typename pointer<Element,Tag,Reference,Derived>::derived_type &
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>::type
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pointer<Element,Tag,Reference,Derived>
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::operator=(const OtherPointer &other)
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{
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super_t::base_reference() = thrust::detail::pointer_traits<OtherPointer>::get(other);
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return static_cast<derived_type&>(*this);
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} // end pointer::operator=
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template<typename Element, typename Tag, typename Reference, typename Derived>
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typename pointer<Element,Tag,Reference,Derived>::super_t::reference
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pointer<Element,Tag,Reference,Derived>
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::dereference() const
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{
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return typename super_t::reference(static_cast<const derived_type&>(*this));
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} // end pointer::dereference
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template<typename Element, typename Tag, typename Reference, typename Derived>
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Element *pointer<Element,Tag,Reference,Derived>
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::get() const
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{
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return super_t::base();
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} // end pointer::get
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namespace detail
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{
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#if (THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC) && (_MSC_VER <= 1400)
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// XXX WAR MSVC 2005 problem with correctly implementing
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// pointer_raw_pointer for pointer by specializing it here
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template<typename Element, typename Tag, typename Reference, typename Derived>
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struct pointer_raw_pointer< thrust::pointer<Element,Tag,Reference,Derived> >
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{
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typedef typename pointer<Element,Tag,Reference,Derived>::raw_pointer type;
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}; // end pointer_raw_pointer
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#endif
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#if (THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_GCC) && (THRUST_GCC_VERSION < 40200)
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// XXX WAR g++-4.1 problem with correctly implementing
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// pointer_element for pointer by specializing it here
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template<typename Element, typename Tag>
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struct pointer_element< thrust::pointer<Element,Tag> >
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{
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typedef Element type;
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}; // end pointer_element
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template<typename Element, typename Tag, typename Reference>
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struct pointer_element< thrust::pointer<Element,Tag,Reference> >
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: pointer_element< thrust::pointer<Element,Tag> >
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{}; // end pointer_element
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template<typename Element, typename Tag, typename Reference, typename Derived>
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struct pointer_element< thrust::pointer<Element,Tag,Reference,Derived> >
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: pointer_element< thrust::pointer<Element,Tag,Reference> >
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{}; // end pointer_element
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// XXX WAR g++-4.1 problem with correctly implementing
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// rebind_pointer for pointer by specializing it here
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template<typename Element, typename Tag, typename NewElement>
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struct rebind_pointer<thrust::pointer<Element,Tag>, NewElement>
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{
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// XXX note we don't attempt to rebind the pointer's Reference type (or Derived)
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typedef thrust::pointer<NewElement,Tag> type;
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};
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template<typename Element, typename Tag, typename Reference, typename NewElement>
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struct rebind_pointer<thrust::pointer<Element,Tag,Reference>, NewElement>
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: rebind_pointer<thrust::pointer<Element,Tag>, NewElement>
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{};
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template<typename Element, typename Tag, typename Reference, typename Derived, typename NewElement>
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struct rebind_pointer<thrust::pointer<Element,Tag,Reference,Derived>, NewElement>
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: rebind_pointer<thrust::pointer<Element,Tag,Reference>, NewElement>
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{};
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#endif
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} // end namespace detail
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} // end thrust
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