In common.h, define func_lib for function objects. In configure.ac, define HAVE_STD_FUNCTION and HAVE_BOOST_FUNCTION. Include function headers in ndnboost.
diff --git a/libs/functional/hash/test/extra/Jamfile.v2 b/libs/functional/hash/test/extra/Jamfile.v2
new file mode 100644
index 0000000..243c1b1
--- /dev/null
+++ b/libs/functional/hash/test/extra/Jamfile.v2
@@ -0,0 +1,13 @@
+
+# Copyright 2012 Daniel James.
+# 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)
+
+import testing ;
+
+build-project .. ;
+
+test-suite functional/hash/config
+ :
+ [ compile check_float_funcs.cpp ]
+ ;
\ No newline at end of file
diff --git a/libs/functional/hash/test/extra/check_float_funcs.cpp b/libs/functional/hash/test/extra/check_float_funcs.cpp
new file mode 100644
index 0000000..41817ba
--- /dev/null
+++ b/libs/functional/hash/test/extra/check_float_funcs.cpp
@@ -0,0 +1,58 @@
+
+// Copyright 2012 Daniel James.
+// 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)
+
+#include <boost/static_assert.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/type_traits/is_convertible.hpp>
+#include <cmath>
+
+namespace test
+{
+ template <class T1>
+ struct check_return_type
+ {
+ template <class T2>
+ static void equals(T2)
+ {
+ BOOST_STATIC_ASSERT((ndnboost::is_same<T1, T2>::value));
+ }
+
+ template <class T2>
+ static void equals_ref(T2&)
+ {
+ BOOST_STATIC_ASSERT((ndnboost::is_same<T1, T2>::value));
+ }
+
+ template <class T2>
+ static void convertible(T2)
+ {
+ BOOST_STATIC_ASSERT((ndnboost::is_convertible<T2, T1>::value));
+ }
+ };
+}
+
+int main() {
+ float f = 0;
+ double d = 0;
+ long double l = 0;
+
+ test::check_return_type<float>::equals(std::ldexp(f, 0));
+ test::check_return_type<double>::equals(std::ldexp(d, 0));
+ test::check_return_type<long double>::equals(std::ldexp(l, 0));
+
+ int dummy = 0;
+
+ test::check_return_type<float>::equals(std::frexp(f, &dummy));
+ test::check_return_type<double>::equals(std::frexp(d, &dummy));
+ test::check_return_type<long double>::equals(std::frexp(l, &dummy));
+
+#if BOOST_HASH_USE_FPCLASSIFY
+
+ int (*fpc1)(float) = std::fpclassify;
+ int (*fpc2)(double) = std::fpclassify;
+ int (*fpc3)(long double) = std::fpclassify;
+
+#endif
+}