Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 177 insertions, 0 deletions

diff --git a/src/boost/libs/multiprecision/test/test_int_io.cpp b/src/boost/libs/multiprecision/test/test_int_io.cpp
new file mode 100644
index 00000000..1b8d73d2
--- /dev/null
+++ b/src/boost/libs/multiprecision/test/test_int_io.cpp
@@ -0,0 +1,177 @@
+// Copyright John Maddock 2011.
+
+// Use, modification and distribution are subject to 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)
+
+#ifdef _MSC_VER
+#define _SCL_SECURE_NO_WARNINGS
+#endif
+
+#if !defined(TEST_MPZ) && !defined(TEST_TOMMATH) && !defined(TEST_CPP_INT)
+#define TEST_TOMMATH
+#define TEST_MPZ
+#define TEST_CPP_INT
+
+#ifdef _MSC_VER
+#pragma message("CAUTION!!: No backend type specified so testing everything.... this will take some time!!")
+#endif
+#ifdef __GNUC__
+#pragma warning "CAUTION!!: No backend type specified so testing everything.... this will take some time!!"
+#endif
+
+#endif
+
+#if defined(TEST_MPZ)
+#include <boost/multiprecision/gmp.hpp>
+#endif
+#if defined(TEST_TOMMATH)
+#include <boost/multiprecision/tommath.hpp>
+#endif
+#ifdef TEST_CPP_INT
+#include <boost/multiprecision/cpp_int.hpp>
+#endif
+
+#include <boost/algorithm/string/case_conv.hpp>
+#include <boost/random/mersenne_twister.hpp>
+#include <boost/random/uniform_int.hpp>
+#include "test.hpp"
+#include <iostream>
+#include <iomanip>
+
+#ifdef BOOST_MSVC
+#pragma warning(disable : 4127)
+#endif
+
+template <class T>
+struct unchecked_type
+{
+   typedef T type;
+};
+
+#ifdef TEST_CPP_INT
+template <unsigned MinBits, unsigned MaxBits, boost::multiprecision::cpp_integer_type SignType, boost::multiprecision::cpp_int_check_type Checked, class Allocator, boost::multiprecision::expression_template_option ExpressionTemplates>
+struct unchecked_type<boost::multiprecision::number<boost::multiprecision::cpp_int_backend<MinBits, MaxBits, SignType, Checked, Allocator>, ExpressionTemplates> >
+{
+   typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<MinBits, MaxBits, SignType, boost::multiprecision::unchecked, Allocator>, ExpressionTemplates> type;
+};
+#endif
+
+template <class T>
+T generate_random()
+{
+   typedef typename unchecked_type<T>::type unchecked_T;
+
+   static const unsigned limbs = std::numeric_limits<T>::is_specialized && std::numeric_limits<T>::is_bounded ? std::numeric_limits<T>::digits / std::numeric_limits<unsigned>::digits + 3 : 20;
+
+   static boost::random::uniform_int_distribution<unsigned> ui(0, limbs);
+   static boost::random::mt19937                            gen;
+   unchecked_T                                              val = gen();
+   unsigned                                                 lim = ui(gen);
+   for (unsigned i = 0; i < lim; ++i)
+   {
+      val *= (gen.max)();
+      val += gen();
+   }
+   return val;
+}
+
+template <class T>
+void do_round_trip(const T& val, std::ios_base::fmtflags f)
+{
+   std::stringstream ss;
+#ifndef BOOST_NO_CXX11_NUMERIC_LIMITS
+   ss << std::setprecision(std::numeric_limits<T>::max_digits10);
+#else
+   ss << std::setprecision(std::numeric_limits<T>::digits10 + 5);
+#endif
+   ss.flags(f);
+   ss << val;
+   T new_val = static_cast<T>(ss.str());
+   BOOST_CHECK_EQUAL(new_val, val);
+   new_val = static_cast<T>(val.str(0, f));
+   BOOST_CHECK_EQUAL(new_val, val);
+   ss >> new_val;
+   BOOST_CHECK_EQUAL(new_val, val);
+}
+
+template <class T>
+void do_round_trip(const T& val)
+{
+   do_round_trip(val, std::ios_base::fmtflags(0));
+   if (val >= 0)
+   {
+      do_round_trip(val, std::ios_base::fmtflags(std::ios_base::showbase | std::ios_base::hex));
+      do_round_trip(val, std::ios_base::fmtflags(std::ios_base::showbase | std::ios_base::oct));
+   }
+}
+
+template <class T>
+void negative_round_trip(T val, const boost::mpl::true_&)
+{
+   do_round_trip(T(-val));
+}
+template <class T>
+void negative_round_trip(T, const boost::mpl::false_&)
+{
+}
+
+template <class T>
+void negative_spots(const boost::mpl::true_&)
+{
+   BOOST_CHECK_EQUAL(T(-1002).str(), "-1002");
+   if (!std::numeric_limits<T>::is_modulo)
+   {
+#ifndef BOOST_NO_EXCEPTIONS
+      BOOST_CHECK_THROW(T(-2).str(0, std::ios_base::oct), std::runtime_error);
+      BOOST_CHECK_THROW(T(-2).str(0, std::ios_base::hex), std::runtime_error);
+#endif
+   }
+}
+template <class T>
+void negative_spots(const boost::mpl::false_&)
+{
+}
+
+template <class T>
+void test_round_trip()
+{
+   for (unsigned i = 0; i < 1000; ++i)
+   {
+      T val = generate_random<T>();
+      do_round_trip(val);
+      negative_round_trip(val, boost::mpl::bool_<std::numeric_limits<T>::is_signed>());
+   }
+
+   BOOST_CHECK_EQUAL(T(1002).str(), "1002");
+   BOOST_CHECK_EQUAL(T(1002).str(0, std::ios_base::showpos), "+1002");
+   BOOST_CHECK_EQUAL(T(1002).str(0, std::ios_base::oct), "1752");
+   BOOST_CHECK_EQUAL(T(1002).str(0, std::ios_base::oct | std::ios_base::showbase), "01752");
+   BOOST_CHECK_EQUAL(T(1002).str(0, std::ios_base::hex), "3ea");
+   BOOST_CHECK_EQUAL(T(1002).str(0, std::ios_base::hex | std::ios_base::showbase), "0x3ea");
+   BOOST_CHECK_EQUAL(T(1002).str(0, std::ios_base::hex | std::ios_base::uppercase), "3EA");
+   BOOST_CHECK_EQUAL(T(1002).str(0, std::ios_base::hex | std::ios_base::showbase | std::ios_base::uppercase), "0X3EA");
+   BOOST_CHECK_EQUAL(T(1002).str(0, std::ios_base::dec), "1002");
+   BOOST_CHECK_EQUAL(T(1002).str(0, std::ios_base::dec | std::ios_base::showbase), "1002");
+
+   negative_spots<T>(boost::mpl::bool_<std::numeric_limits<T>::is_signed>());
+}
+
+int main()
+{
+#ifdef TEST_MPZ
+   test_round_trip<boost::multiprecision::mpz_int>();
+#endif
+#ifdef TEST_TOMMATH
+   test_round_trip<boost::multiprecision::tom_int>();
+#endif
+#ifdef TEST_CPP_INT
+   test_round_trip<boost::multiprecision::cpp_int>();
+   test_round_trip<boost::multiprecision::checked_int1024_t>();
+   test_round_trip<boost::multiprecision::checked_uint512_t>();
+   test_round_trip<boost::multiprecision::number<boost::multiprecision::cpp_int_backend<32, 32, boost::multiprecision::signed_magnitude, boost::multiprecision::checked, void> > >();
+   test_round_trip<boost::multiprecision::number<boost::multiprecision::cpp_int_backend<32, 32, boost::multiprecision::unsigned_magnitude, boost::multiprecision::checked, void> > >();
+#endif
+   return boost::report_errors();
+}