updated boost on windows

winx64/include/boost/compute/algorithm/find_if.hpp

@@ -11,21 +11,27 @@
 #ifndef BOOST_COMPUTE_ALGORITHM_FIND_IF_HPP
 #define BOOST_COMPUTE_ALGORITHM_FIND_IF_HPP
 
+#include <boost/static_assert.hpp>
+
 #include <boost/compute/system.hpp>
 #include <boost/compute/command_queue.hpp>
 #include <boost/compute/algorithm/detail/find_if_with_atomics.hpp>
+#include <boost/compute/type_traits/is_device_iterator.hpp>
 
 namespace boost {
 namespace compute {
 
 /// Returns an iterator pointing to the first element in the range
 /// [\p first, \p last) for which \p predicate returns \c true.
+///
+/// Space complexity: \Omega(1)
 template<class InputIterator, class UnaryPredicate>
 inline InputIterator find_if(InputIterator first,
                              InputIterator last,
                              UnaryPredicate predicate,
                              command_queue &queue = system::default_queue())
 {
+    BOOST_STATIC_ASSERT(is_device_iterator<InputIterator>::value);
     return detail::find_if_with_atomics(first, last, predicate, queue);
 }