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/hash_float_test.hpp b/libs/functional/hash/test/hash_float_test.hpp
new file mode 100644
index 0000000..96693a9
--- /dev/null
+++ b/libs/functional/hash/test/hash_float_test.hpp
@@ -0,0 +1,309 @@
+
+// Copyright 2005-2009 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 "./config.hpp"
+
+#ifdef BOOST_HASH_TEST_STD_INCLUDES
+# include <functional>
+#else
+# include <boost/functional/hash.hpp>
+#endif
+
+#include <boost/detail/lightweight_test.hpp>
+
+#include <cmath>
+#include <boost/functional/hash/detail/limits.hpp>
+#include <boost/functional/hash/detail/float_functions.hpp>
+#include <boost/detail/workaround.hpp>
+
+#include <iostream>
+
+#if defined(BOOST_MSVC)
+#pragma warning(push)
+#pragma warning(disable:4127) // conditional expression is constant
+#pragma warning(disable:4723) // conditional expression is constant
+#if BOOST_MSVC < 1400
+#pragma warning(disable:4267) // conversion from 'size_t' to 'unsigned int',
+ // possible loss of data
+#endif
+#endif
+
+#if defined(__GNUC__) && !defined(BOOST_INTEL_CXX_VERSION)
+#pragma GCC diagnostic ignored "-Wfloat-equal"
+#endif
+
+char const* float_type(float*) { return "float"; }
+char const* float_type(double*) { return "double"; }
+char const* float_type(long double*) { return "long double"; }
+
+template <class T>
+void float_tests(char const* name, T* = 0)
+{
+ std::cerr
+ << "\n"
+ << "Testing " BOOST_STRINGIZE(BOOST_HASH_TEST_NAMESPACE) "::hash<"
+ << name
+ << ">\n"
+ << "\n"
+ << "ndnboost::hash_detail::limits<T>::digits = "
+ << ndnboost::hash_detail::limits<T>::digits<< "\n"
+ << "ndnboost::hash_detail::limits<int>::digits = "
+ << ndnboost::hash_detail::limits<int>::digits<< "\n"
+ << "ndnboost::hash_detail::limits<std::size_t>::digits = "
+ << ndnboost::hash_detail::limits<std::size_t>::digits
+ << "\n"
+ << "\n"
+ << "ndnboost::hash_detail::call_ldexp<T>::float_type = "
+ << float_type(static_cast<BOOST_DEDUCED_TYPENAME
+ ndnboost::hash_detail::call_ldexp<T>::float_type*>(0))
+ << "\n"
+ << "ndnboost::hash_detail::call_frexp<T>::float_type = "
+ << float_type(static_cast<BOOST_DEDUCED_TYPENAME
+ ndnboost::hash_detail::call_frexp<T>::float_type*>(0))
+ << "\n"
+ << "ndnboost::hash_detail::select_hash_type<T>::type = "
+ << float_type(static_cast<BOOST_DEDUCED_TYPENAME
+ ndnboost::hash_detail::select_hash_type<T>::type*>(0))
+ << "\n"
+ << "\n"
+ ;
+
+ BOOST_HASH_TEST_NAMESPACE::hash<T> x1;
+
+ T zero = 0;
+ T minus_zero = (T) -1 * zero;
+
+ BOOST_TEST(zero == minus_zero);
+ BOOST_TEST(x1(zero) == x1(minus_zero));
+
+#if defined(BOOST_HASH_TEST_EXTENSIONS)
+ BOOST_TEST(x1(zero) == BOOST_HASH_TEST_NAMESPACE::hash_value(zero));
+ BOOST_TEST(x1(minus_zero) == BOOST_HASH_TEST_NAMESPACE::hash_value(minus_zero));
+#endif
+
+ BOOST_TEST(x1(zero) != x1(0.5));
+ BOOST_TEST(x1(minus_zero) != x1(0.5));
+ BOOST_TEST(x1(0.5) != x1(-0.5));
+ BOOST_TEST(x1(1) != x1(-1));
+
+ using namespace std;
+
+// Doing anything with infinity causes borland to crash.
+#if defined(__BORLANDC__)
+ std::cerr
+ << "Not running infinity checks on Borland, as it causes it to crash."
+ "\n";
+#else
+ if(ndnboost::hash_detail::limits<T>::has_infinity) {
+ T infinity = -log(zero);
+ T infinity2 = (T) 1. / zero;
+ T infinity3 = (T) -1. / minus_zero;
+ T infinity4 = ndnboost::hash_detail::limits<T>::infinity();
+
+ T minus_infinity = log(zero);
+ T minus_infinity2 = (T) -1. / zero;
+ T minus_infinity3 = (T) 1. / minus_zero;
+
+#if defined(BOOST_HASH_TEST_EXTENSIONS)
+ BOOST_TEST(x1(infinity) == BOOST_HASH_TEST_NAMESPACE::hash_value(infinity));
+ BOOST_TEST(x1(minus_infinity)
+ == BOOST_HASH_TEST_NAMESPACE::hash_value(minus_infinity));
+#endif
+
+ if(infinity == infinity2)
+ BOOST_TEST(x1(infinity) == x1(infinity2));
+ if(infinity == infinity3)
+ BOOST_TEST(x1(infinity) == x1(infinity3));
+ if(infinity == infinity4)
+ BOOST_TEST(x1(infinity) == x1(infinity4));
+
+ if(minus_infinity == minus_infinity2)
+ BOOST_TEST(x1(minus_infinity) == x1(minus_infinity2));
+ if(minus_infinity == minus_infinity3)
+ BOOST_TEST(x1(minus_infinity) == x1(minus_infinity3));
+
+ BOOST_TEST(infinity != minus_infinity);
+
+ if(x1(infinity) == x1(minus_infinity)) {
+ std::cerr<<"x1(infinity) == x1(-infinity) == "<<x1(infinity)<<"\n";
+ }
+
+ // This should really be 'has_denorm == denorm_present' but some
+ // compilers don't have 'denorm_present'. See also a later use.
+ if(ndnboost::hash_detail::limits<T>::has_denorm) {
+ if(x1(ndnboost::hash_detail::limits<T>::denorm_min()) == x1(infinity))
+ {
+ std::cerr
+ << "x1(denorm_min) == x1(infinity) == "
+ << x1(infinity)
+ << "\n";
+ }
+
+ if(x1(ndnboost::hash_detail::limits<T>::denorm_min()) ==
+ x1(minus_infinity))
+ {
+ std::cerr
+ << "x1(denorm_min) == x1(-infinity) == "
+ << x1(minus_infinity)
+ << "\n";
+ }
+ }
+
+ if(ndnboost::hash_detail::limits<T>::has_quiet_NaN) {
+ if(x1(ndnboost::hash_detail::limits<T>::quiet_NaN()) == x1(infinity))
+ {
+ std::cerr
+ << "x1(quiet_NaN) == x1(infinity) == "
+ << x1(infinity)
+ << "\n";
+ }
+
+ if(x1(ndnboost::hash_detail::limits<T>::quiet_NaN()) ==
+ x1(minus_infinity))
+ {
+ std::cerr
+ << "x1(quiet_NaN) == x1(-infinity) == "
+ << x1(minus_infinity)
+ << "\n";
+ }
+ }
+ }
+#endif
+
+ T max = (ndnboost::hash_detail::limits<T>::max)();
+ T half_max = max / 2;
+ T quarter_max = max / 4;
+ T three_quarter_max = max - quarter_max;
+
+ // Check the limits::max is in range.
+ BOOST_TEST(max != half_max);
+ BOOST_TEST(max != quarter_max);
+ BOOST_TEST(max != three_quarter_max);
+ BOOST_TEST(half_max != quarter_max);
+ BOOST_TEST(half_max != three_quarter_max);
+ BOOST_TEST(quarter_max != three_quarter_max);
+
+ BOOST_TEST(max != -max);
+ BOOST_TEST(half_max != -half_max);
+ BOOST_TEST(quarter_max != -quarter_max);
+ BOOST_TEST(three_quarter_max != -three_quarter_max);
+
+
+#if defined(BOOST_HASH_TEST_EXTENSIONS)
+ BOOST_TEST(x1(max) == BOOST_HASH_TEST_NAMESPACE::hash_value(max));
+ BOOST_TEST(x1(half_max) == BOOST_HASH_TEST_NAMESPACE::hash_value(half_max));
+ BOOST_TEST(x1(quarter_max) == BOOST_HASH_TEST_NAMESPACE::hash_value(quarter_max));
+ BOOST_TEST(x1(three_quarter_max) ==
+ BOOST_HASH_TEST_NAMESPACE::hash_value(three_quarter_max));
+#endif
+
+ // The '!=' tests could legitimately fail, but with my hash it indicates a
+ // bug.
+ BOOST_TEST(x1(max) == x1(max));
+ BOOST_TEST(x1(max) != x1(quarter_max));
+ BOOST_TEST(x1(max) != x1(half_max));
+ BOOST_TEST(x1(max) != x1(three_quarter_max));
+ BOOST_TEST(x1(quarter_max) == x1(quarter_max));
+ BOOST_TEST(x1(quarter_max) != x1(half_max));
+ BOOST_TEST(x1(quarter_max) != x1(three_quarter_max));
+ BOOST_TEST(x1(half_max) == x1(half_max));
+ BOOST_TEST(x1(half_max) != x1(three_quarter_max));
+ BOOST_TEST(x1(three_quarter_max) == x1(three_quarter_max));
+
+ BOOST_TEST(x1(max) != x1(-max));
+ BOOST_TEST(x1(half_max) != x1(-half_max));
+ BOOST_TEST(x1(quarter_max) != x1(-quarter_max));
+ BOOST_TEST(x1(three_quarter_max) != x1(-three_quarter_max));
+
+
+// Intel with gcc stdlib sometimes segfaults on calls to asin and acos.
+#if !((defined(__INTEL_COMPILER) || defined(__ICL) || \
+ defined(__ICC) || defined(__ECC)) && \
+ (defined(__GLIBCPP__) || defined(__GLIBCXX__)))
+ T v1 = asin((T) 1);
+ T v2 = acos((T) 0);
+ if(v1 == v2)
+ BOOST_TEST(x1(v1) == x1(v2));
+
+#if defined(BOOST_HASH_TEST_EXTENSIONS)
+ BOOST_TEST(x1(v1) == BOOST_HASH_TEST_NAMESPACE::hash_value(v1));
+ BOOST_TEST(x1(v2) == BOOST_HASH_TEST_NAMESPACE::hash_value(v2));
+#endif
+
+#endif
+
+#if defined(BOOST_HASH_TEST_EXTENSIONS)
+ BOOST_TEST(x1(ndnboost::hash_detail::limits<T>::epsilon()) ==
+ BOOST_HASH_TEST_NAMESPACE::hash_value(
+ ndnboost::hash_detail::limits<T>::epsilon()));
+#endif
+
+ BOOST_TEST(ndnboost::hash_detail::limits<T>::epsilon() != (T) 0);
+ if(x1(ndnboost::hash_detail::limits<T>::epsilon()) == x1((T) 0))
+ std::cerr<<"x1(epsilon) == x1(0) == "<<x1((T) 0)<<"\n";
+
+ BOOST_TEST(-ndnboost::hash_detail::limits<T>::epsilon() != (T) 0);
+ if(x1(-ndnboost::hash_detail::limits<T>::epsilon()) == x1((T) 0))
+ std::cerr<<"x1(-epsilon) == x1(0) == "<<x1((T) 0)<<"\n";
+
+ BOOST_TEST((T) 1 + ndnboost::hash_detail::limits<T>::epsilon() != (T) 1);
+ if(x1((T) 1 + ndnboost::hash_detail::limits<T>::epsilon()) == x1((T) 1))
+ std::cerr<<"x1(1 + epsilon) == x1(1) == "<<x1((T) 1)<<"\n";
+
+ BOOST_TEST((T) 1 - ndnboost::hash_detail::limits<T>::epsilon() != (T) 1);
+ if(x1((T) 1 - ndnboost::hash_detail::limits<T>::epsilon()) == x1((T) 1))
+ std::cerr<<"x1(1 - epsilon) == x1(1) == "<<x1((T) 1)<<"\n";
+
+ BOOST_TEST((T) -1 + ndnboost::hash_detail::limits<T>::epsilon() != (T) -1);
+ if(x1((T) -1 + ndnboost::hash_detail::limits<T>::epsilon()) == x1((T) -1))
+ std::cerr<<"x1(-1 + epsilon) == x1(-1) == "<<x1((T) -1)<<"\n";
+
+ BOOST_TEST((T) -1 - ndnboost::hash_detail::limits<T>::epsilon() != (T) -1);
+ if(x1((T) -1 - ndnboost::hash_detail::limits<T>::epsilon()) == x1((T) -1))
+ std::cerr<<"x1(-1 - epsilon) == x1(-1) == "<<x1((T) -1)<<"\n";
+
+ // As before.
+ if(ndnboost::hash_detail::limits<T>::has_denorm) {
+ if(x1(ndnboost::hash_detail::limits<T>::denorm_min()) == x1(zero)) {
+ std::cerr<<"x1(denorm_min) == x1(zero) == "<<x1(zero)<<"\n";
+ }
+#if !BOOST_WORKAROUND(__DECCXX_VER,<70190006) && defined(BOOST_HASH_TEST_EXTENSIONS)
+ // The Tru64/CXX standard library prior to 7.1 contains a bug in the
+ // specialization of ndnboost::hash_detail::limits::denorm_min() for long
+ // doubles which causes this test to fail.
+ if(x1(ndnboost::hash_detail::limits<T>::denorm_min()) !=
+ BOOST_HASH_TEST_NAMESPACE::hash_value(
+ ndnboost::hash_detail::limits<T>::denorm_min()))
+ {
+ std::cerr
+ << "x1(ndnboost::hash_detail::limits<T>::denorm_min()) = "
+ << x1(ndnboost::hash_detail::limits<T>::denorm_min())
+ << "\nhash_value(ndnboost::hash_detail::limits<T>::denorm_min())"
+ " = "
+ << BOOST_HASH_TEST_NAMESPACE::hash_value(
+ ndnboost::hash_detail::limits<T>::denorm_min())
+ << "\nx1(0) = "
+ << x1(0)
+ << "\n";
+ }
+#endif
+ }
+
+// NaN also causes borland to crash.
+#if !defined(__BORLANDC__) && defined(BOOST_HASH_TEST_EXTENSIONS)
+ if(ndnboost::hash_detail::limits<T>::has_quiet_NaN) {
+ if(x1(ndnboost::hash_detail::limits<T>::quiet_NaN()) == x1(1.0)) {
+ std::cerr<<"x1(quiet_NaN) == x1(1.0) == "<<x1(1.0)<<"\n";
+ }
+ BOOST_TEST(x1(ndnboost::hash_detail::limits<T>::quiet_NaN()) ==
+ BOOST_HASH_TEST_NAMESPACE::hash_value(
+ ndnboost::hash_detail::limits<T>::quiet_NaN()));
+ }
+#endif
+}
+
+#if defined(BOOST_MSVC)
+#pragma warning(pop)
+#endif