add boost on mac

macx64/include/boost/compute/algorithm/count.hpp

@@ -0,0 +1,62 @@
+//---------------------------------------------------------------------------//
+// Copyright (c) 2013 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_ALGORITHM_COUNT_HPP
+#define BOOST_COMPUTE_ALGORITHM_COUNT_HPP
+
+#include <boost/static_assert.hpp>
+
+#include <boost/compute/lambda.hpp>
+#include <boost/compute/system.hpp>
+#include <boost/compute/command_queue.hpp>
+#include <boost/compute/algorithm/count_if.hpp>
+#include <boost/compute/type_traits/vector_size.hpp>
+#include <boost/compute/type_traits/is_device_iterator.hpp>
+
+namespace boost {
+namespace compute {
+
+/// Returns the number of occurrences of \p value in the range
+/// [\p first, \p last).
+///
+/// Space complexity on CPUs: \Omega(1)<br>
+/// Space complexity on GPUs: \Omega(n)
+///
+/// \see count_if()
+template<class InputIterator, class T>
+inline size_t count(InputIterator first,
+                    InputIterator last,
+                    const T &value,
+                    command_queue &queue = system::default_queue())
+{
+    BOOST_STATIC_ASSERT(is_device_iterator<InputIterator>::value);
+    typedef typename std::iterator_traits<InputIterator>::value_type value_type;
+
+    using ::boost::compute::_1;
+    using ::boost::compute::lambda::all;
+
+    if(vector_size<value_type>::value == 1){
+        return ::boost::compute::count_if(first,
+                                          last,
+                                          _1 == value,
+                                          queue);
+    }
+    else {
+        return ::boost::compute::count_if(first,
+                                          last,
+                                          all(_1 == value),
+                                          queue);
+    }
+}
+
+} // end compute namespace
+} // end boost namespace
+
+#endif // BOOST_COMPUTE_ALGORITHM_COUNT_HPP