Imported Upstream version 1.61.0

Change-Id: I96a1f878d1e6164f01e9aadd5147f38fca448d90
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>

1 files changed, 81 insertions, 0 deletions

diff --git a/boost/compute/memory/svm_ptr.hpp b/boost/compute/memory/svm_ptr.hpp
new file mode 100644
index 0000000000..2dbcb8f635
--- /dev/null
+++ b/boost/compute/memory/svm_ptr.hpp
@@ -0,0 +1,81 @@
+//---------------------------------------------------------------------------//
+// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
+//
+// Distributed under the Boost Software License, Version 1.0
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+//
+// See http://boostorg.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+#ifndef BOOST_COMPUTE_MEMORY_SVM_PTR_HPP
+#define BOOST_COMPUTE_MEMORY_SVM_PTR_HPP
+
+#include <boost/compute/cl.hpp>
+#include <boost/compute/type_traits/is_device_iterator.hpp>
+
+namespace boost {
+namespace compute {
+
+template<class T>
+class svm_ptr
+{
+public:
+    typedef T value_type;
+    typedef std::ptrdiff_t difference_type;
+    typedef T* pointer;
+    typedef T& reference;
+    typedef std::random_access_iterator_tag iterator_category;
+
+    svm_ptr()
+        : m_ptr(0)
+    {
+    }
+
+    explicit svm_ptr(void *ptr)
+        : m_ptr(static_cast<T*>(ptr))
+    {
+    }
+
+    svm_ptr(const svm_ptr<T> &other)
+        : m_ptr(other.m_ptr)
+    {
+    }
+
+    svm_ptr& operator=(const svm_ptr<T> &other)
+    {
+        m_ptr = other.m_ptr;
+        return *this;
+    }
+
+    ~svm_ptr()
+    {
+    }
+
+    void* get() const
+    {
+        return m_ptr;
+    }
+
+    svm_ptr<T> operator+(difference_type n)
+    {
+        return svm_ptr<T>(m_ptr + n);
+    }
+
+    difference_type operator-(svm_ptr<T> other)
+    {
+        return m_ptr - other.m_ptr;
+    }
+
+private:
+    T *m_ptr;
+};
+
+/// \internal_ (is_device_iterator specialization for svm_ptr)
+template<class T>
+struct is_device_iterator<svm_ptr<T> > : boost::true_type {};
+
+} // end compute namespace
+} // end boost namespace
+
+#endif // BOOST_COMPUTE_MEMORY_SVM_PTR_HPP