chrono: New, as per N2661.

2008-07-15  Chris Fairles  <chris.fairles@gmail.com>

        * include/std/chrono: New, as per N2661.
        * src/chrono.cc: New.
        * include/Makefile.am: Update.
        * src/Makefile.am: Likewise.
        * include/Makefile.in: Regenerate.
        * src/Makefile.in: Likewise.
        * acinclude.m4: Add tests for clock_gettime and gettimeofday that
	define _GLIBCXX_HAS_CLOCK_GETTIME and/or _GLIBCXX_HAS_GETTIMEOFDAY.
        * configure.ac: Use them.
        * configure: Regenerate.
        * config.h.in: Likewise.
        * config/abi/pre/gnu.ver: Add symbols for system_clock::now() and
        system_clock::is_monotonic.
        * testsuite/20_util/duration/cons/1.cc: New.
        * testsuite/20_util/duration/cons/2.cc: Likewise.
        * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
        * testsuite/20_util/duration/requirements/explicit_instantiation/
        explicit_instantiation.cc: Likewise.
        * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
        * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
        * testsuite/20_util/duration/comparisons/1.cc: Likewise.
        * testsuite/20_util/time_point/requirements/explicit_instantiation/
        explicit_instantiation.cc: Likewise.
        * testsuite/20_util/time_point/1.cc: Likewise.
        * testsuite/20_util/time_point/2.cc: Likewise.
        * testsuite/20_util/time_point/3.cc: Likewise.
        * testsuite/20_util/clocks/1.cc: Likewise.
        * testsuite/17_intro/headers/c++200x/all_multiple_inclusion.cc: Add
        missing headers.
        * testsuite/17_intro/headers/c++200x/all.cc: Likewise.
        * include/precompiled/stdc++.h: Likewise and remove <date_time>.
        * doc/doxygen/user.cfg.in: Likewise.

From-SVN: r137858

libstdc++-v3/ChangeLog

+2008-07-15  Chris Fairles  <chris.fairles@gmail.com>
+
+        * include/std/chrono: New, as per N2661.
+        * src/chrono.cc: New.
+        * include/Makefile.am: Update.
+        * src/Makefile.am: Likewise.
+        * include/Makefile.in: Regenerate.
+        * src/Makefile.in: Likewise.
+        * acinclude.m4: Add tests for clock_gettime and gettimeofday that
+	define _GLIBCXX_HAS_CLOCK_GETTIME and/or _GLIBCXX_HAS_GETTIMEOFDAY.
+        * configure.ac: Use them.
+        * configure: Regenerate.
+        * config.h.in: Likewise.
+        * config/abi/pre/gnu.ver: Add symbols for system_clock::now() and
+        system_clock::is_monotonic.
+        * testsuite/20_util/duration/cons/1.cc: New.
+        * testsuite/20_util/duration/cons/2.cc: Likewise.
+        * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
+        * testsuite/20_util/duration/requirements/explicit_instantiation/
+        explicit_instantiation.cc: Likewise.
+        * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
+        * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
+        * testsuite/20_util/duration/comparisons/1.cc: Likewise.
+        * testsuite/20_util/time_point/requirements/explicit_instantiation/
+        explicit_instantiation.cc: Likewise.
+        * testsuite/20_util/time_point/1.cc: Likewise.
+        * testsuite/20_util/time_point/2.cc: Likewise.
+        * testsuite/20_util/time_point/3.cc: Likewise.
+        * testsuite/20_util/clocks/1.cc: Likewise.
+        * testsuite/17_intro/headers/c++200x/all_multiple_inclusion.cc: Add
+        missing headers.
+        * testsuite/17_intro/headers/c++200x/all.cc: Likewise.
+        * include/precompiled/stdc++.h: Likewise and remove <date_time>.
+        * doc/doxygen/user.cfg.in: Likewise.
+
 2008-07-15  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR libstdc++/36832

libstdc++-v3/acinclude.m4

@@ -1009,6 +1009,94 @@ AC_DEFUN([GLIBCXX_ENABLE_C99], [
 
 
 dnl
+dnl Check for IEEE Std 1003.1-2001 clock_gettime required for 
+dnl 20.8.5 [time.clock] in the current C++0X working draft.
+dnl
+AC_DEFUN([GLIBCXX_CHECK_CLOCK_GETTIME], [
+
+  AC_LANG_SAVE
+  AC_LANG_CPLUSPLUS
+  ac_save_CXXFLAGS="$CXXFLAGS"
+  CXXFLAGS="$CXXFLAGS -fno-exceptions"
+  
+  AC_CHECK_HEADERS(unistd.h, ac_has_unistd_h=yes, ac_has_unistd_h=no)
+  
+  ac_has_clock_monotonic=no;  
+  ac_has_clock_realtime=no;  
+  if test x"$ac_has_unistd_h" = x"yes"; then    
+    AC_MSG_CHECKING([for monotonic clock])
+    AC_TRY_LINK(
+      [#include <unistd.h>
+       #include <time.h>
+      ],
+      [#if _POSIX_TIMERS > 0 && defined(_POSIX_MONOTONIC_CLOCK)
+        timespec tp;     
+       #endif
+        clock_gettime(CLOCK_MONOTONIC, &tp);
+      ], [ac_has_clock_monotonic=yes], [ac_has_clock_monotonic=no])
+    
+    AC_MSG_RESULT($ac_has_clock_monotonic)   
+    
+    AC_MSG_CHECKING([for realtime clock])
+    AC_TRY_LINK(
+      [#include <unistd.h>
+       #include <time.h>
+      ],
+      [#if _POSIX_TIMERS > 0
+        timespec tp;      
+       #endif
+        clock_gettime(CLOCK_REALTIME, &tp);
+      ], [ac_has_clock_realtime=yes], [ac_has_clock_realtime=no])
+    
+    AC_MSG_RESULT($ac_has_clock_realtime)
+  fi 
+  
+  if test x"$ac_has_clock_monotonic" = x"yes"; then
+    AC_DEFINE(_GLIBCXX_USE_CLOCK_MONOTONIC, 1,
+      [ Defined if clock_gettime has monotonic clock support. ])
+  fi
+  
+  if test x"$ac_has_clock_realtime" = x"yes"; then
+    AC_DEFINE(_GLIBCXX_USE_CLOCK_REALTIME, 1,
+      [ Defined if clock_gettime has realtime clock support. ])
+  fi
+  
+  CXXFLAGS="$ac_save_CXXFLAGS"
+  AC_LANG_RESTORE
+])
+
+dnl
+dnl Check for IEEE Std 1003.1-2001 gettimeofday required for 
+dnl 20.8.5 [time.clock] in the current C++0X working draft.
+dnl
+AC_DEFUN([GLIBCXX_CHECK_GETTIMEOFDAY], [
+  
+  AC_LANG_SAVE
+  AC_LANG_CPLUSPLUS
+  ac_save_CXXFLAGS="$CXXFLAGS"
+  CXXFLAGS="$CXXFLAGS -fno-exceptions"
+  
+  ac_has_gettimeofday=no;
+  AC_CHECK_HEADERS(sys/time.h, ac_has_sys_time_h=yes, ac_has_sys_time_h=no)
+  if test x"$ac_has_sys_time_h" = x"yes"; then
+    AC_MSG_CHECKING([for gettimeofday])
+    AC_TRY_LINK([#include <sys/time.h>],
+      [timeval tv; gettimeofday(&tv, 0);],
+      [ac_has_gettimeofday=yes], [ac_has_gettimeofday=no])
+    
+    AC_MSG_RESULT($ac_has_gettimeofday)
+  fi
+  
+  if test x"$ac_has_gettimeofday" = x"yes"; then
+    AC_DEFINE(_GLIBCXX_USE_GETTIMEOFDAY, 1,
+      [ Defined if gettimeofday is available. ])
+  fi
+  
+  CXXFLAGS="$ac_save_CXXFLAGS"
+  AC_LANG_RESTORE
+])
+
+dnl
 dnl Check for ISO/IEC 9899:1999 "C99" support to ISO/IEC DTR 19768 "TR1"
 dnl facilities in Chapter 8, "C compatibility".
 dnl

libstdc++-v3/config.h.in

@@ -811,6 +811,15 @@
    namespace std::tr1. */
 #undef _GLIBCXX_USE_C99_STDINT_TR1
 
+/* Defined if clock_gettime has monotonic clock support. */
+#undef _GLIBCXX_USE_CLOCK_MONOTONIC
+
+/* Defined if clock_gettime has realtime clock support. */
+#undef _GLIBCXX_USE_CLOCK_REALTIME
+
+/* Defined if gettimeofday is available. */
+#undef _GLIBCXX_USE_GETTIMEOFDAY
+
 /* Define if LFS support is available. */
 #undef _GLIBCXX_USE_LFS
 

libstdc++-v3/config/abi/pre/gnu.ver

@@ -885,6 +885,10 @@ GLIBCXX_3.4.11 {
     # char16_t and char32_t
     _ZNSt14numeric_limitsIu8char*;
 
+    # chrono
+    _ZNSt6chrono12system_clock12is_monotonicE;
+    _ZNSt6chrono12system_clock3nowEv;
+
 } GLIBCXX_3.4.10;
 
 # Symbols in the support library (libsupc++) have their own tag.

libstdc++-v3/configure.ac

@@ -161,6 +161,12 @@ if $GLIBCXX_IS_NATIVE; then
   # For dev/random and dev/urandom for TR1.
   GLIBCXX_CHECK_RANDOM_TR1
 
+  # For clock_gettime support.
+  GLIBCXX_CHECK_CLOCK_GETTIME
+
+  # For gettimeofday support.
+  GLIBCXX_CHECK_GETTIMEOFDAY
+
   # For TLS support.
   GCC_CHECK_TLS
 

libstdc++-v3/doc/doxygen/user.cfg.in

@@ -468,8 +468,8 @@ INPUT                  = @srcdir@/libsupc++/cxxabi.h \
                          include/algorithm \
                          include/array \
                          include/bitset \
+                         include/chrono \
                          include/condition_variable \
-                         include/date_time \
                          include/deque \
                          include/fstream \
                          include/functional \
@@ -489,6 +489,7 @@ INPUT                  = @srcdir@/libsupc++/cxxabi.h \
                          include/ostream \
                          include/queue \
                          include/random \
+                         include/ratio \
                          include/regex \
                          include/set \
                          include/sstream \

libstdc++-v3/include/Makefile.am

@@ -32,6 +32,7 @@ std_headers = \
 	${std_srcdir}/array \
 	${std_srcdir}/bitset \
 	${std_srcdir}/c++0x_warning.h \
+	${std_srcdir}/chrono \
 	${std_srcdir}/complex \
 	${std_srcdir}/condition_variable \
 	${std_srcdir}/deque \

libstdc++-v3/include/Makefile.in

@@ -285,6 +285,7 @@ std_headers = \
 	${std_srcdir}/array \
 	${std_srcdir}/bitset \
 	${std_srcdir}/c++0x_warning.h \
+	${std_srcdir}/chrono \
 	${std_srcdir}/complex \
 	${std_srcdir}/condition_variable \
 	${std_srcdir}/deque \

libstdc++-v3/include/precompiled/stdc++.h

@@ -98,8 +98,9 @@
 
 #ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <array>
-#include <date_time>
+#include <chrono>
 #include <random>
+#include <ratio>
 #include <regex>
 #include <system_error>
 #include <tuple>

libstdc++-v3/src/Makefile.am

@@ -186,6 +186,7 @@ sources = \
 	wstring-inst.cc \
 	mutex.cc \
 	condition_variable.cc \
+	chrono.cc \
 	${host_sources} \
 	${host_sources_extra} 
 
@@ -272,6 +273,11 @@ atomic.lo: atomic.cc
 atomic.o: atomic.cc
 	$(CXXCOMPILE) -x c++ -std=gnu++0x -c $<
 
+chrono.lo: chrono.cc
+	$(LTCXXCOMPILE) -std=gnu++0x -c $<
+chrono.o: chrono.cc
+	$(CXXCOMPILE) -std=gnu++0x -c $<
+
 if GLIBCXX_LDBL_COMPAT
 # Use special rules for compatibility-ldbl.cc compilation, as we need to
 # pass -mlong-double-64.

libstdc++-v3/src/Makefile.in

@@ -84,10 +84,10 @@ am__libstdc___la_SOURCES_DIST = atomic.cc bitmap_allocator.cc \
 	istream-inst.cc istream.cc locale-inst.cc misc-inst.cc \
 	ostream-inst.cc sstream-inst.cc streambuf-inst.cc streambuf.cc \
 	string-inst.cc valarray-inst.cc wlocale-inst.cc \
-	wstring-inst.cc mutex.cc condition_variable.cc atomicity.cc \
-	codecvt_members.cc collate_members.cc ctype_members.cc \
-	messages_members.cc monetary_members.cc numeric_members.cc \
-	time_members.cc basic_file.cc c++locale.cc \
+	wstring-inst.cc mutex.cc condition_variable.cc chrono.cc \
+	atomicity.cc codecvt_members.cc collate_members.cc \
+	ctype_members.cc messages_members.cc monetary_members.cc \
+	numeric_members.cc time_members.cc basic_file.cc c++locale.cc \
 	compatibility-ldbl.cc parallel_list.cc parallel_settings.cc
 am__objects_1 = atomicity.lo codecvt_members.lo collate_members.lo \
 	ctype_members.lo messages_members.lo monetary_members.lo \
@@ -109,7 +109,7 @@ am__objects_5 = atomic.lo bitmap_allocator.lo pool_allocator.lo \
 	istream-inst.lo istream.lo locale-inst.lo misc-inst.lo \
 	ostream-inst.lo sstream-inst.lo streambuf-inst.lo streambuf.lo \
 	string-inst.lo valarray-inst.lo wlocale-inst.lo \
-	wstring-inst.lo mutex.lo condition_variable.lo \
+	wstring-inst.lo mutex.lo condition_variable.lo chrono.lo \
 	$(am__objects_1) $(am__objects_4)
 am_libstdc___la_OBJECTS = $(am__objects_5)
 libstdc___la_OBJECTS = $(am_libstdc___la_OBJECTS)
@@ -422,6 +422,7 @@ sources = \
 	wstring-inst.cc \
 	mutex.cc \
 	condition_variable.cc \
+	chrono.cc \
 	${host_sources} \
 	${host_sources_extra} 
 
@@ -866,6 +867,11 @@ atomic.lo: atomic.cc
 atomic.o: atomic.cc
 	$(CXXCOMPILE) -x c++ -std=gnu++0x -c $<
 
+chrono.lo: chrono.cc
+	$(LTCXXCOMPILE) -std=gnu++0x -c $<
+chrono.o: chrono.cc
+	$(CXXCOMPILE) -std=gnu++0x -c $<
+
 # Use special rules for compatibility-ldbl.cc compilation, as we need to
 # pass -mlong-double-64.
 @GLIBCXX_LDBL_COMPAT_TRUE@compatibility-ldbl.lo: compatibility-ldbl.cc

libstdc++-v3/src/chrono.cc

+// chrono -*- C++ -*-
+
+// Copyright (C) 2008 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <chrono>
+
+#ifdef _GLIBCXX_USE_C99_STDINT_TR1
+
+// conditional inclusion of sys/time.h for gettimeofday
+#if !defined(_GLIBCXX_USE_CLOCK_MONOTONIC) && \
+    !defined(_GLIBCXX_USE_CLOCK_REALTIME) && \
+     defined(_GLIBCXX_USE_GETTIMEOFDAY)
+#include <sys/time.h>
+#endif
+
+namespace std
+{
+  namespace chrono
+  {
+    const bool system_clock::is_monotonic;
+
+    system_clock::time_point
+    system_clock::now()
+    {
+#ifdef _GLIBCXX_USE_CLOCK_MONOTONIC
+        timespec tp;
+        // -EINVAL, -EFAULT
+        clock_gettime(CLOCK_MONOTONIC, &tp);
+        return time_point(duration(chrono::seconds(tp.tv_sec)
+                                   + chrono::nanoseconds(tp.tv_nsec)));
+#elif defined(_GLIBCXX_USE_CLOCK_REALTIME)
+        timespec tp;
+        // -EINVAL, -EFAULT
+        clock_gettime(CLOCK_REALTIME, &tp);
+        return time_point(duration(chrono::seconds(tp.tv_sec)
+                                   + chrono::nanoseconds(tp.tv_nsec)));
+#elif defined(_GLIBCXX_USE_GETTIMEOFDAY)
+        timeval tv;
+        // EINVAL, EFAULT
+        gettimeofday(&tv, NULL);
+        return time_point(duration(chrono::seconds(tv.tv_sec)
+                                   + chrono::microseconds(tv.tv_usec)));
+#else
+        std::time_t __sec = std::time(0);
+        return system_clock::from_time_t(__sec);
+#endif
+    }
+  }
+}
+
+#endif // _GLIBCXX_USE_C99_STDINT_TR1

libstdc++-v3/testsuite/17_intro/headers/c++200x/all.cc

@@ -95,6 +95,7 @@
 #include <algorithm>
 #include <array>
 #include <bitset>
+#include <chrono>
 #include <condition_variable>
 #include <complex>
 #include <deque>
@@ -118,6 +119,7 @@
 #include <ostream>
 #include <queue>
 #include <random>
+#include <ratio>
 #include <regex>
 #include <set>
 #include <sstream>

libstdc++-v3/testsuite/17_intro/headers/c++200x/all_multiple_inclusion.cc

@@ -93,6 +93,7 @@
 #include <algorithm>
 #include <array>
 #include <bitset>
+#include <chrono>
 #include <complex>
 #include <deque>
 #include <exception>
@@ -114,6 +115,7 @@
 #include <ostream>
 #include <queue>
 #include <random>
+#include <ratio>
 #include <regex>
 #include <set>
 #include <sstream>
@@ -203,6 +205,7 @@
 #include <algorithm>
 #include <array>
 #include <bitset>
+#include <chrono>
 #include <complex>
 #include <deque>
 #include <exception>
@@ -219,11 +222,13 @@
 #include <locale>
 #include <map>
 #include <memory>
+#include <mutex>
 #include <new>
 #include <numeric>
 #include <ostream>
 #include <queue>
 #include <random>
+#include <ratio>
 #include <regex>
 #include <set>
 #include <sstream>

libstdc++-v3/testsuite/20_util/clocks/1.cc

+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 20.8.5 Clocks [time.clock]
+
+#include <chrono>
+
+// 20.8.5.1 system_clock [time.clock.system]
+int
+main()
+{
+  using namespace std::chrono;
+
+  system_clock::time_point t1 = system_clock::now();
+  bool is_monotonic = system_clock::is_monotonic;
+  is_monotonic = is_monotonic; // suppress unused warning
+  std::time_t t2 = system_clock::to_time_t(t1);
+  system_clock::time_point t3 = system_clock::from_time_t(t2);
+  
+  return 0;
+}

libstdc++-v3/testsuite/20_util/duration/arithmetic/1.cc

+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 20.8.3 Class template duration [time.duration]
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+// 20.8.3.3 duration arithmetic [time.duration.arithmetic] (unary member ops)
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  duration<int> d0(3);
+  duration<int> d1 = -d0;
+  VERIFY(d0.count() == 3);
+  VERIFY(d1.count() == -3);
+  
+  duration<int> d2 = (+d0);
+  VERIFY(d2.count() == 3);
+    
+  duration<int> d3(++d2);
+  VERIFY(d2.count() == 4);
+  VERIFY(d3.count() == 4);
+    
+  duration<int> d4(d3++);
+  VERIFY(d3.count() == 5);
+  VERIFY(d4.count() == 4);
+  
+  duration<int> d5(--d4);
+  VERIFY(d4.count() == 3);
+  VERIFY(d5.count() == 3);
+  
+  duration<int> d6(d5--);
+  VERIFY(d5.count() == 2);
+  VERIFY(d6.count() == 3);
+}
+
+// 20.8.3.3 duration arithmetic [time.duration.arithmetic] (binary member ops)
+void
+test02()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  duration<int> d7(3);
+  duration<int> d8(9);
+  d7 += d8;
+  VERIFY(d7.count() == 12);
+  VERIFY(d8.count() == 9);
+  
+  duration<int> d9(3);
+  duration<int> d10(9);
+  d9 -= d10;
+  VERIFY(d9.count() == -6);
+  VERIFY(d10.count() == 9);
+  
+  duration<int> d11(9);
+  int i = 3;
+  d11 *= i;
+  VERIFY(d11.count() == 27);
+    
+  duration<int> d12(12);  
+  d12 /= i;
+  VERIFY(d12.count() == 4);
+}
+
+int
+main()
+{
+  test01();
+  test02();
+  return 0;
+}

libstdc++-v3/testsuite/20_util/duration/arithmetic/2.cc

+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 20.8.3 Class template duration [time.duration]
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+// 20.8.3.5 duration non-member arithmetic [time.duration.nonmember]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  duration<int> d0(12);
+  duration<int> d1(3);
+  int i = 3;
+  
+  duration<int> d2 = d0 + d1;
+  VERIFY(d2.count() == 15);
+  
+  duration<int> d3 = d0 - d1;
+  VERIFY(d3.count() == 9);
+
+  duration<int> d4 = d0 * i;
+  VERIFY(d4.count() == 36);
+  
+  duration<int> d5 = i * d0;
+  VERIFY(d5.count() == 36);
+ 
+  duration<int> d6 = d0 / i;
+  VERIFY(d6.count() == 4);
+  
+  int j = d0 / d1;
+  VERIFY(j == 4);
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/20_util/duration/comparisons/1.cc

+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 20.8.3 Class template duration [time.duration]
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+// 20.8.3.6 duration comparisons [time.duration.comparisons]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  duration<int> d0(12);
+  duration<int> d1(3);
+  duration<int> d2(3);
+  
+  VERIFY(d1 < d0);  
+  VERIFY(d0 > d1);
+  
+  VERIFY(d0 != d1);
+  VERIFY(d1 == d2);
+  
+  VERIFY(d1 <= d2);
+  VERIFY(d1 >= d2);
+  
+  VERIFY(d1 <= d0);
+  VERIFY(d0 >= d1);  
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/20_util/duration/cons/1.cc

+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 20.8.3 Class template duration [time.duration]
+
+#include <chrono>
+#include <type_traits>
+#include <testsuite_hooks.h>
+
+template<typename T>
+struct type_emulator
+{
+  type_emulator()
+  : i(T(0)) { }
+  
+  type_emulator(T j)
+  : i(j) { }
+  
+  type_emulator(const type_emulator& e)
+  : i(e.i) { }
+
+  type_emulator&
+  operator*=(type_emulator a)
+  {
+    i *= a.i;
+    return *this;
+  }
+  
+  type_emulator&
+  operator+=(type_emulator a)
+  {
+    i += a.i;
+    return *this;
+  }
+    
+  operator T ()
+  { return i; }
+  
+  T i;
+};
+
+template<typename T>
+bool
+operator==(type_emulator<T> a, type_emulator<T> b)
+{ return a.i == b.i; }
+
+template<typename T>
+bool
+operator<(type_emulator<T> a, type_emulator<T> b)
+{ return a.i < b.i; }
+
+template<typename T>
+type_emulator<T>
+operator+(type_emulator<T> a, type_emulator<T> b)
+{ return a += b; }
+
+template<typename T>
+type_emulator<T>
+operator*(type_emulator<T> a, type_emulator<T> b)
+{ return a *= b; }
+
+namespace std
+{
+  template<typename T, typename U>
+  struct common_type<type_emulator<T>, U>
+  { typedef typename common_type<T,U>::type type; };
+
+  template<typename T, typename U>
+  struct common_type<U, type_emulator<T>>
+  { typedef typename common_type<U,T>::type type; };
+
+  template<typename T, typename U>
+  struct common_type<type_emulator<T>, type_emulator<U>>
+  { typedef typename common_type<T,U>::type type; };
+
+  namespace chrono
+  {    
+    template<typename T>
+    struct treat_as_floating_point<type_emulator<T>>
+    : is_floating_point<T>
+    { };
+  }
+}
+
+typedef type_emulator<int> int_emulator;
+typedef type_emulator<double> dbl_emulator;
+
+// 20.8.3.1 duration constructors [time.duration.cons]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using std::chrono::duration;
+  
+  duration<int> d0;
+  VERIFY(d0.count() == static_cast<duration<int>::rep>(0));
+
+  int r = 3;
+  duration<int> d1(r);
+  VERIFY(d1.count() == static_cast<duration<int>::rep>(r));
+  
+  double s = 8.0;
+  duration<double> d2(s);
+  VERIFY(d2.count() == static_cast<duration<double>::rep>(s));
+    
+  int_emulator ie(3);
+  duration<int_emulator> d3(ie);
+  VERIFY(d3.count() == static_cast<duration<int_emulator>::rep>(ie));
+  
+  dbl_emulator de(4.0);
+  duration<dbl_emulator> d4(de);
+  VERIFY(d4.count() == static_cast<duration<dbl_emulator>::rep>(de));
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/20_util/duration/cons/1_neg.cc

+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 20.8.3.1 duration constructors [time.duration.cons]
+
+#include <chrono>
+
+void
+test01()
+{
+  std::chrono::duration<int> d1(1.0);
+}
+
+void
+test02()
+{
+  using namespace std::chrono;
+  
+  duration<int, std::micro> d2(8);
+  duration<int, std::milli> d2_copy(d2);
+}
+
+// { dg-error "instantiated from here" "" { target *-*-* } 30 }
+// { dg-error "instantiated from here" "" { target *-*-* } 39 }
+// { dg-error "not exactly representable" "" { target *-*-* } 202 }
+// { dg-error "integral duration with floating point" "" { target *-*-* } 186 }
+// { dg-excess-errors "In instantiation of" }

libstdc++-v3/testsuite/20_util/duration/cons/2.cc

+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 20.8.3 Class template duration [time.duration]
+
+#include <chrono>
+#include <type_traits>
+#include <testsuite_hooks.h>
+
+template<typename T>
+struct type_emulator
+{
+  type_emulator() : i(T(0)) { }
+  type_emulator(T j) : i(j) { }
+  type_emulator(const type_emulator& e) : i(e.i) { }
+
+  type_emulator& operator*=(type_emulator a)
+  { i *= a.i; return *this; }
+  
+  type_emulator& operator+=(type_emulator a)
+  { i += a.i; return *this; }
+    
+  operator T () { return i; }
+  T i;
+};
+
+template<typename T>
+bool operator==(type_emulator<T> a, type_emulator<T> b)
+{ return a.i == b.i; }
+
+template<typename T>
+bool operator<(type_emulator<T> a, type_emulator<T> b)
+{ return a.i < b.i; }
+
+template<typename T>
+type_emulator<T> operator+(type_emulator<T> a, type_emulator<T> b)
+{ return a += b; }
+
+template<typename T>
+type_emulator<T> operator*(type_emulator<T> a, type_emulator<T> b)
+{ return a *= b; }
+
+namespace std
+{
+  template<typename T, typename U>
+  struct common_type<type_emulator<T>, U>
+  { typedef typename common_type<T,U>::type type; };
+  
+  template<typename T, typename U>
+  struct common_type<U, type_emulator<T>>
+  { typedef typename common_type<U,T>::type type; };
+  
+  template<typename T, typename U>
+  struct common_type<type_emulator<T>, type_emulator<U>>
+  { typedef typename common_type<T,U>::type type; };
+  
+  namespace chrono
+  {    
+    template<typename T>
+    struct treat_as_floating_point<type_emulator<T>>
+    : is_floating_point<T>
+    { };
+  }
+}
+
+typedef type_emulator<int> int_emulator;
+typedef type_emulator<double> dbl_emulator;
+
+// 20.8.3.1 duration constructors [time.duration.cons]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  duration<int> d0(3);
+  duration<int> d0_copy(d0);
+  VERIFY(d0_copy.count() == d0.count());
+  
+  duration<int, std::milli> d1(5);
+  duration<int, std::micro> d1_copy(d1);
+  VERIFY(d1.count() * 1000 == d1_copy.count());
+  
+  duration<double, std::micro> d2(8.0);
+  duration<double, std::milli> d2_copy(d2);
+  VERIFY(d2.count() == d2_copy.count() * 1000.0);
+  
+  duration<int_emulator, std::milli> d3(5);
+  duration<int_emulator, std::micro> d3_copy(d3);
+  VERIFY(d3.count() * 1000 == d3_copy.count());
+  
+  duration<dbl_emulator, std::micro> d4(5.0);
+  duration<dbl_emulator, std::milli> d4_copy(d4);
+  VERIFY(d4.count() == d4_copy.count() * dbl_emulator(1000.0));
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/20_util/duration/requirements/explicit_instantiation/explicit_instantiation.cc

+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING.  If not, write to
+// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+// Boston, MA 02110-1301, USA.
+
+#include <ratio>
+#include <chrono>
+
+template class std::chrono::duration<int>;
+template class std::chrono::duration<float, std::ratio<2,3>>;

libstdc++-v3/testsuite/20_util/time_point/1.cc

+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 20.8.4 Class template time_point [time.point]
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+// 20.8.4.1 time_point constructors [time.point.cons]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  time_point<system_clock> t1;
+  VERIFY(t1.time_since_epoch() == system_clock::duration::zero());
+
+  time_point<monotonic_clock> t2;
+  VERIFY(t2.time_since_epoch() == monotonic_clock::duration::zero());
+
+  time_point<high_resolution_clock> t3;
+  VERIFY(t3.time_since_epoch() == high_resolution_clock::duration::zero());
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/20_util/time_point/2.cc

+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 20.8.4 Class template time_point [time.point]
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+// 20.8.4.3 time_point arithmetic [time.point.arithmetic]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  time_point<system_clock> t1, t2;
+  t1 += seconds(1);
+  VERIFY(t2.time_since_epoch() + seconds(1) == t1.time_since_epoch());
+  
+  t1 -= std::chrono::seconds(1);
+  VERIFY(t2.time_since_epoch() == t1.time_since_epoch());
+}
+
+// 20.8.4.5 time_point non-member arithmetic [time.point.nonmember]
+void
+test02()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  time_point<system_clock> t1;
+  time_point<system_clock> t2(t1 + seconds(1));
+  VERIFY(t2.time_since_epoch() == t1.time_since_epoch() + seconds(1));
+ 
+  time_point<system_clock> t3(seconds(1) + t1);
+  VERIFY(t3.time_since_epoch() == t1.time_since_epoch() + seconds(1));
+  
+  time_point<system_clock> t4(seconds(1));
+  time_point<system_clock> t5(seconds(2));
+  
+  time_point<system_clock> t6(t5 - seconds(1));
+  VERIFY(t6.time_since_epoch() == t4.time_since_epoch());
+  
+  time_point<system_clock> t7(t5 - t4);
+  VERIFY(t7.time_since_epoch() == t4.time_since_epoch());
+}
+
+int
+main()
+{
+  test01();
+  test02();
+  return 0;
+}

libstdc++-v3/testsuite/20_util/time_point/3.cc

+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 20.8.4 Class template time_point [time.point]
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+// 20.8.4.6 time_point comparisons [time.point.comparisons]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  time_point<system_clock> t1(seconds(1));
+  time_point<system_clock> t2(seconds(1));
+  time_point<system_clock> t3(seconds(2));
+  
+  VERIFY(t1 == t2);
+  VERIFY(t1 != t3);
+  VERIFY(t1 < t3);
+  VERIFY(t1 <= t3);
+  VERIFY(t1 <= t2);
+  VERIFY(t3 > t1);
+  VERIFY(t3 >= t1);
+  VERIFY(t2 >= t1);  
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/20_util/time_point/requirements/explicit_instantiation/explicit_instantiation.cc

+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING.  If not, write to
+// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+// Boston, MA 02110-1301, USA.
+
+#include <chrono>
+
+template class std::chrono::time_point<std::chrono::system_clock>;