+2009-11-19 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR libstdc++/41622
+ * include/bits/functional_hash.h: Implement inline the various
+ std::hash specializations, using, when appropriate, pass by
+ const ref too, per DR 1245.
+ * include/tr1_impl/functional_hash.h: Remove, move its contents...
+ * include/tr1/functional_hash.h: ... here.
+ * include/std/functional: Tweak includes.
+ * src/hash_c++0x: Rename to...
+ * src/compatibility-c++0x.cc: ... this, implementing compatibility
+ std::hash<>::operator() specializations.
+ * src/hash.cc: Do not mark specializations as throw().
+ * src/Makefile.am: Adjust.
+ * include/Makefile.am: Likewise.
+ * src/Makefile.in: Regenerate.
+ * include/Makefile.in: Likewise.
+ * testsuite/util/testsuite_api.h: Define a dummy hash for
+ NonDefaultConstructible.
+ * testsuite/23_containers/unordered_map/requirements/
+ explicit_instantiation/2.cc: Use it.
+ * testsuite/23_containers/unordered_multimap/requirements/
+ explicit_instantiation/2.cc: Likewise.
+ * testsuite/23_containers/unordered_set/requirements/
+ explicit_instantiation/2.cc: Likewise.
+ * testsuite/23_containers/unordered_multiset/requirements/
+ explicit_instantiation/2.cc: Likewise.
+
2009-11-19 Johannes Singler <singler@kit.edu>
* include/parallel/partition.h (__parallel_partition): Correctly
2009-11-17 Benjamin Kosnik <bkoz@redhat.com>
* include/profile/impl/profiler.h: Remove namespace markup.
-
+
2009-11-17 Benjamin Kosnik <bkoz@redhat.com>
* include/profile/bitset: Tweak doxygen markup.
${tr1_impl_srcdir}/cwchar \
${tr1_impl_srcdir}/cwctype \
${tr1_impl_srcdir}/functional \
- ${tr1_impl_srcdir}/functional_hash.h \
${tr1_impl_srcdir}/hashtable \
${tr1_impl_srcdir}/hashtable_policy.h \
${tr1_impl_srcdir}/regex \
${tr1_impl_srcdir}/cwchar \
${tr1_impl_srcdir}/cwctype \
${tr1_impl_srcdir}/functional \
- ${tr1_impl_srcdir}/functional_hash.h \
${tr1_impl_srcdir}/hashtable \
${tr1_impl_srcdir}/hashtable_policy.h \
${tr1_impl_srcdir}/regex \
# include <c++0x_warning.h>
#endif
-#if defined(_GLIBCXX_INCLUDE_AS_TR1)
-# error C++0x header cannot be included from TR1 header
+#include <string>
+#include <system_error>
+
+namespace std
+{
+ /// Class template hash.
+ template<typename _Tp>
+ struct hash;
+
+ /// Partial specializations for pointer types.
+ template<typename _Tp>
+ struct hash<_Tp*> : public std::unary_function<_Tp*, size_t>
+ {
+ size_t
+ operator()(_Tp* __p) const
+ { return reinterpret_cast<size_t>(__p); }
+ };
+
+ /// Explicit specializations for integer types.
+#define _Cxx_hashtable_define_trivial_hash(_Tp) \
+ template<> \
+ struct hash<_Tp> : public std::unary_function<_Tp, size_t> \
+ { \
+ size_t \
+ operator()(_Tp __val) const \
+ { return static_cast<size_t>(__val); } \
+ };
+
+ _Cxx_hashtable_define_trivial_hash(bool);
+ _Cxx_hashtable_define_trivial_hash(char);
+ _Cxx_hashtable_define_trivial_hash(signed char);
+ _Cxx_hashtable_define_trivial_hash(unsigned char);
+ _Cxx_hashtable_define_trivial_hash(wchar_t);
+#ifdef _GLIBCXX_USE_C99_STDINT_TR1
+ _Cxx_hashtable_define_trivial_hash(char16_t);
+ _Cxx_hashtable_define_trivial_hash(char32_t);
#endif
+ _Cxx_hashtable_define_trivial_hash(short);
+ _Cxx_hashtable_define_trivial_hash(int);
+ _Cxx_hashtable_define_trivial_hash(long);
+ _Cxx_hashtable_define_trivial_hash(long long);
+ _Cxx_hashtable_define_trivial_hash(unsigned short);
+ _Cxx_hashtable_define_trivial_hash(unsigned int);
+ _Cxx_hashtable_define_trivial_hash(unsigned long);
+ _Cxx_hashtable_define_trivial_hash(unsigned long long);
+
+#undef _Cxx_hashtable_define_trivial_hash
+
+ // Fowler / Noll / Vo (FNV) Hash (type FNV-1a)
+ // (Used by the next specializations of std::tr1::hash.)
+
+ /// Dummy generic implementation (for sizeof(size_t) != 4, 8).
+ template<size_t = sizeof(size_t)>
+ struct _Fnv_hash
+ {
+ static size_t
+ hash(const char* __first, size_t __length)
+ {
+ size_t __result = 0;
+ for (; __length > 0; --__length)
+ __result = (__result * 131) + *__first++;
+ return __result;
+ }
+ };
+
+ template<>
+ struct _Fnv_hash<4>
+ {
+ static size_t
+ hash(const char* __first, size_t __length)
+ {
+ size_t __result = static_cast<size_t>(2166136261UL);
+ for (; __length > 0; --__length)
+ {
+ __result ^= static_cast<size_t>(*__first++);
+ __result *= static_cast<size_t>(16777619UL);
+ }
+ return __result;
+ }
+ };
+
+ template<>
+ struct _Fnv_hash<8>
+ {
+ static size_t
+ hash(const char* __first, size_t __length)
+ {
+ size_t __result =
+ static_cast<size_t>(14695981039346656037ULL);
+ for (; __length > 0; --__length)
+ {
+ __result ^= static_cast<size_t>(*__first++);
+ __result *= static_cast<size_t>(1099511628211ULL);
+ }
+ return __result;
+ }
+ };
+
+ /// Explicit specializations for float.
+ template<>
+ struct hash<float>
+ : public std::unary_function<float, size_t>
+ {
+ size_t
+ operator()(float __val) const
+ {
+ size_t __result = 0;
+
+ // 0 and -0 both hash to zero.
+ if (__val != 0.0f)
+ __result = _Fnv_hash<>::hash(reinterpret_cast<const char*>(&__val),
+ sizeof(__val));
+ return __result;
+ }
+ };
+
+ /// Explicit specializations for double.
+ template<>
+ struct hash<double>
+ : public std::unary_function<double, size_t>
+ {
+ size_t
+ operator()(double __val) const
+ {
+ size_t __result = 0;
+
+ // 0 and -0 both hash to zero.
+ if (__val != 0.0)
+ __result = _Fnv_hash<>::hash(reinterpret_cast<const char*>(&__val),
+ sizeof(__val));
+ return __result;
+ }
+ };
-#if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
-# include <tr1_impl/functional_hash.h>
-#else
-# define _GLIBCXX_INCLUDE_AS_CXX0X
-# define _GLIBCXX_BEGIN_NAMESPACE_TR1
-# define _GLIBCXX_END_NAMESPACE_TR1
-# define _GLIBCXX_TR1
-# include <tr1_impl/functional_hash.h>
-# undef _GLIBCXX_TR1
-# undef _GLIBCXX_END_NAMESPACE_TR1
-# undef _GLIBCXX_BEGIN_NAMESPACE_TR1
-# undef _GLIBCXX_INCLUDE_AS_CXX0X
+ /// Explicit specializations for long double.
+ template<>
+ struct hash<long double>
+ : public std::unary_function<long double, size_t>
+ {
+ size_t
+ operator()(long double __val) const
+ {
+ size_t __result = 0;
+
+ int __exponent;
+ __val = __builtin_frexpl(__val, &__exponent);
+ __val = __val < 0.0l ? -(__val + 0.5l) : __val;
+
+ const long double __mult =
+ __gnu_cxx::__numeric_traits<size_t>::__max + 1.0l;
+ __val *= __mult;
+
+ // Try to use all the bits of the mantissa (really necessary only
+ // on 32-bit targets, at least for 80-bit floating point formats).
+ const size_t __hibits = (size_t)__val;
+ __val = (__val - (long double)__hibits) * __mult;
+
+ const size_t __coeff =
+ __gnu_cxx::__numeric_traits<size_t>::__max / __LDBL_MAX_EXP__;
+
+ __result = __hibits + (size_t)__val + __coeff * __exponent;
+
+ return __result;
+ }
+ };
+
+ template<>
+ struct hash<string>
+ : public std::unary_function<string, size_t>
+ {
+ size_t
+ operator()(const string& __s) const
+ { return _Fnv_hash<>::hash(__s.data(), __s.length()); }
+ };
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+ template<>
+ struct hash<wstring>
+ : public std::unary_function<wstring, size_t>
+ {
+ size_t
+ operator()(const wstring& __s) const
+ {
+ const char* __p = reinterpret_cast<const char*>(__s.data());
+ return _Fnv_hash<>::hash(__p, __s.length() * sizeof(wchar_t));
+ }
+ };
#endif
+#ifdef _GLIBCXX_USE_C99_STDINT_TR1
+ template<>
+ struct hash<u16string>
+ : public std::unary_function<u16string, size_t>
+ {
+ size_t
+ operator()(const u16string& __s) const
+ {
+ const char* __p = reinterpret_cast<const char*>(__s.data());
+ return _Fnv_hash<>::hash(__p, __s.length() * sizeof(char16_t));
+ }
+ };
-namespace std
-{
- struct error_code;
+ template<>
+ struct hash<u32string>
+ : public std::unary_function<u32string, size_t>
+ {
+ size_t
+ operator()(const u32string& __s) const
+ {
+ const char* __p = reinterpret_cast<const char*>(__s.data());
+ return _Fnv_hash<>::hash(__p, __s.length() * sizeof(char32_t));
+ }
+ };
+#endif
template<>
- _GLIBCXX_PURE size_t
- hash<error_code>::operator()(error_code) const;
+ struct hash<error_code>
+ : public std::unary_function<error_code, size_t>
+ {
+ size_t
+ operator()(const error_code& __e) const
+ {
+ const char* __p = reinterpret_cast<const char*>(&__e);
+ return _Fnv_hash<>::hash(__p, sizeof(__e));
+ }
+ };
}
#endif // _FUNCTIONAL_HASH_H
-
# include <new>
# include <tuple>
# include <type_traits>
-# include <bits/stringfwd.h>
# include <bits/functional_hash.h>
# include <ext/type_traits.h>
# if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
// TR1 functional_hash.h header -*- C++ -*-
-// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2007, 2008, 2009 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
#pragma GCC system_header
-#if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
-# error TR1 header cannot be included from C++0x header
-#endif
+namespace std
+{
+namespace tr1
+{
+ /// Class template hash.
+ // Declaration of default hash functor std::tr1::hash. The types for
+ // which std::tr1::hash<T> is well-defined is in clause 6.3.3. of the PDTR.
+ template<typename _Tp>
+ struct hash : public std::unary_function<_Tp, size_t>
+ {
+ size_t
+ operator()(_Tp __val) const;
+ };
+
+ /// Partial specializations for pointer types.
+ template<typename _Tp>
+ struct hash<_Tp*> : public std::unary_function<_Tp*, size_t>
+ {
+ size_t
+ operator()(_Tp* __p) const
+ { return reinterpret_cast<size_t>(__p); }
+ };
+
+ /// Explicit specializations for integer types.
+#define _TR1_hashtable_define_trivial_hash(_Tp) \
+ template<> \
+ inline size_t \
+ hash<_Tp>::operator()(_Tp __val) const \
+ { return static_cast<size_t>(__val); }
+
+ _TR1_hashtable_define_trivial_hash(bool);
+ _TR1_hashtable_define_trivial_hash(char);
+ _TR1_hashtable_define_trivial_hash(signed char);
+ _TR1_hashtable_define_trivial_hash(unsigned char);
+ _TR1_hashtable_define_trivial_hash(wchar_t);
+ _TR1_hashtable_define_trivial_hash(short);
+ _TR1_hashtable_define_trivial_hash(int);
+ _TR1_hashtable_define_trivial_hash(long);
+ _TR1_hashtable_define_trivial_hash(long long);
+ _TR1_hashtable_define_trivial_hash(unsigned short);
+ _TR1_hashtable_define_trivial_hash(unsigned int);
+ _TR1_hashtable_define_trivial_hash(unsigned long);
+ _TR1_hashtable_define_trivial_hash(unsigned long long);
+
+#undef _TR1_hashtable_define_trivial_hash
+
+ // Fowler / Noll / Vo (FNV) Hash (type FNV-1a)
+ // (Used by the next specializations of std::tr1::hash.)
+
+ /// Dummy generic implementation (for sizeof(size_t) != 4, 8).
+ template<size_t = sizeof(size_t)>
+ struct _Fnv_hash
+ {
+ static size_t
+ hash(const char* __first, size_t __length)
+ {
+ size_t __result = 0;
+ for (; __length > 0; --__length)
+ __result = (__result * 131) + *__first++;
+ return __result;
+ }
+ };
+
+ template<>
+ struct _Fnv_hash<4>
+ {
+ static size_t
+ hash(const char* __first, size_t __length)
+ {
+ size_t __result = static_cast<size_t>(2166136261UL);
+ for (; __length > 0; --__length)
+ {
+ __result ^= static_cast<size_t>(*__first++);
+ __result *= static_cast<size_t>(16777619UL);
+ }
+ return __result;
+ }
+ };
+
+ template<>
+ struct _Fnv_hash<8>
+ {
+ static size_t
+ hash(const char* __first, size_t __length)
+ {
+ size_t __result =
+ static_cast<size_t>(14695981039346656037ULL);
+ for (; __length > 0; --__length)
+ {
+ __result ^= static_cast<size_t>(*__first++);
+ __result *= static_cast<size_t>(1099511628211ULL);
+ }
+ return __result;
+ }
+ };
+
+ /// Explicit specializations for float.
+ template<>
+ inline size_t
+ hash<float>::operator()(float __val) const
+ {
+ size_t __result = 0;
+
+ // 0 and -0 both hash to zero.
+ if (__val != 0.0f)
+ __result = _Fnv_hash<>::hash(reinterpret_cast<const char*>(&__val),
+ sizeof(__val));
+ return __result;
+ };
+
+ /// Explicit specializations for double.
+ template<>
+ inline size_t
+ hash<double>::operator()(double __val) const
+ {
+ size_t __result = 0;
+
+ // 0 and -0 both hash to zero.
+ if (__val != 0.0)
+ __result = _Fnv_hash<>::hash(reinterpret_cast<const char*>(&__val),
+ sizeof(__val));
+ return __result;
+ };
+
+ /// Explicit specializations for long double.
+ template<>
+ _GLIBCXX_PURE size_t
+ hash<long double>::operator()(long double __val) const;
+
+ /// Explicit specialization of member operator for non-builtin types.
+ template<>
+ _GLIBCXX_PURE size_t
+ hash<string>::operator()(string) const;
+
+ template<>
+ _GLIBCXX_PURE size_t
+ hash<const string&>::operator()(const string&) const;
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+ template<>
+ _GLIBCXX_PURE size_t
+ hash<wstring>::operator()(wstring) const;
-#if defined(_GLIBCXX_INCLUDE_AS_TR1)
-# include <tr1_impl/functional_hash.h>
-#else
-# define _GLIBCXX_INCLUDE_AS_TR1
-# define _GLIBCXX_BEGIN_NAMESPACE_TR1 namespace tr1 {
-# define _GLIBCXX_END_NAMESPACE_TR1 }
-# define _GLIBCXX_TR1 tr1::
-# include <tr1_impl/functional_hash.h>
-# undef _GLIBCXX_TR1
-# undef _GLIBCXX_END_NAMESPACE_TR1
-# undef _GLIBCXX_BEGIN_NAMESPACE_TR1
-# undef _GLIBCXX_INCLUDE_AS_TR1
+ template<>
+ _GLIBCXX_PURE size_t
+ hash<const wstring&>::operator()(const wstring&) const;
#endif
+}
+}
#endif // _GLIBCXX_TR1_FUNCTIONAL_HASH_H
+++ /dev/null
-// TR1 functional -*- C++ -*-
-
-// Copyright (C) 2007, 2008, 2009 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 3, 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.
-
-// Under Section 7 of GPL version 3, you are granted additional
-// permissions described in the GCC Runtime Library Exception, version
-// 3.1, as published by the Free Software Foundation.
-
-// You should have received a copy of the GNU General Public License and
-// a copy of the GCC Runtime Library Exception along with this program;
-// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
-// <http://www.gnu.org/licenses/>.
-
-/** @file tr1_impl/functional_hash.h
- * This is an internal header file, included by other library headers.
- * You should not attempt to use it directly.
- */
-
-namespace std
-{
-_GLIBCXX_BEGIN_NAMESPACE_TR1
-
- /// Class template hash.
- // Declaration of default hash functor std::tr1::hash. The types for
- // which std::tr1::hash<T> is well-defined is in clause 6.3.3. of the PDTR.
- template<typename _Tp>
- struct hash : public std::unary_function<_Tp, size_t>
- {
- size_t
- operator()(_Tp __val) const;
- };
-
- /// Partial specializations for pointer types.
- template<typename _Tp>
- struct hash<_Tp*> : public std::unary_function<_Tp*, size_t>
- {
- size_t
- operator()(_Tp* __p) const
- { return reinterpret_cast<size_t>(__p); }
- };
-
- /// Explicit specializations for integer types.
-#define _TR1_hashtable_define_trivial_hash(_Tp) \
- template<> \
- inline size_t \
- hash<_Tp>::operator()(_Tp __val) const \
- { return static_cast<size_t>(__val); }
-
- _TR1_hashtable_define_trivial_hash(bool);
- _TR1_hashtable_define_trivial_hash(char);
- _TR1_hashtable_define_trivial_hash(signed char);
- _TR1_hashtable_define_trivial_hash(unsigned char);
- _TR1_hashtable_define_trivial_hash(wchar_t);
-#ifdef _GLIBCXX_INCLUDE_AS_CXX0X
- _TR1_hashtable_define_trivial_hash(char16_t);
- _TR1_hashtable_define_trivial_hash(char32_t);
-#endif
- _TR1_hashtable_define_trivial_hash(short);
- _TR1_hashtable_define_trivial_hash(int);
- _TR1_hashtable_define_trivial_hash(long);
- _TR1_hashtable_define_trivial_hash(long long);
- _TR1_hashtable_define_trivial_hash(unsigned short);
- _TR1_hashtable_define_trivial_hash(unsigned int);
- _TR1_hashtable_define_trivial_hash(unsigned long);
- _TR1_hashtable_define_trivial_hash(unsigned long long);
-
-#undef _TR1_hashtable_define_trivial_hash
-
- // Fowler / Noll / Vo (FNV) Hash (type FNV-1a)
- // (Used by the next specializations of std::tr1::hash.)
-
- /// Dummy generic implementation (for sizeof(size_t) != 4, 8).
- template<size_t = sizeof(size_t)>
- struct _Fnv_hash
- {
- static size_t
- hash(const char* __first, size_t __length)
- {
- size_t __result = 0;
- for (; __length > 0; --__length)
- __result = (__result * 131) + *__first++;
- return __result;
- }
- };
-
- template<>
- struct _Fnv_hash<4>
- {
- static size_t
- hash(const char* __first, size_t __length)
- {
- size_t __result = static_cast<size_t>(2166136261UL);
- for (; __length > 0; --__length)
- {
- __result ^= static_cast<size_t>(*__first++);
- __result *= static_cast<size_t>(16777619UL);
- }
- return __result;
- }
- };
-
- template<>
- struct _Fnv_hash<8>
- {
- static size_t
- hash(const char* __first, size_t __length)
- {
- size_t __result =
- static_cast<size_t>(14695981039346656037ULL);
- for (; __length > 0; --__length)
- {
- __result ^= static_cast<size_t>(*__first++);
- __result *= static_cast<size_t>(1099511628211ULL);
- }
- return __result;
- }
- };
-
- /// Explicit specializations for float.
- template<>
- inline size_t
- hash<float>::operator()(float __val) const
- {
- size_t __result = 0;
-
- // 0 and -0 both hash to zero.
- if (__val != 0.0f)
- __result = _Fnv_hash<>::hash(reinterpret_cast<const char*>(&__val),
- sizeof(__val));
- return __result;
- };
-
- /// Explicit specializations for double.
- template<>
- inline size_t
- hash<double>::operator()(double __val) const
- {
- size_t __result = 0;
-
- // 0 and -0 both hash to zero.
- if (__val != 0.0)
- __result = _Fnv_hash<>::hash(reinterpret_cast<const char*>(&__val),
- sizeof(__val));
- return __result;
- };
-
- /// Explicit specializations for long double.
- template<>
- _GLIBCXX_PURE size_t
- hash<long double>::operator()(long double __val) const;
-
- /// Explicit specialization of member operator for non-builtin types.
- template<>
- _GLIBCXX_PURE size_t
- hash<string>::operator()(string) const;
-
- template<>
- _GLIBCXX_PURE size_t
- hash<const string&>::operator()(const string&) const;
-
-#ifdef _GLIBCXX_USE_WCHAR_T
- template<>
- _GLIBCXX_PURE size_t
- hash<wstring>::operator()(wstring) const;
-
- template<>
- _GLIBCXX_PURE size_t
- hash<const wstring&>::operator()(const wstring&) const;
-#endif
-
-_GLIBCXX_END_NAMESPACE_TR1
-}
mt_allocator.cc \
codecvt.cc \
compatibility.cc \
+ compatibility-c++0x.cc \
complex_io.cc \
ctype.cc \
debug.cc \
functexcept.cc \
hash_tr1.cc \
- hash_c++0x.cc \
globals_io.cc \
hashtable_tr1.cc \
hashtable_c++0x.cc \
condition_variable.o: condition_variable.cc
$(CXXCOMPILE) -std=gnu++0x -c $<
-hash_c++0x.lo: hash_c++0x.cc
+compatibility-c++0x.lo: compatibility-c++0x.cc
$(LTCXXCOMPILE) -std=gnu++0x -c $<
-hash_c++0x.o: hash_c++0x.cc
+compatibility-c++0x.o: compatibility-c++0x.cc
$(CXXCOMPILE) -std=gnu++0x -c $<
hashtable_c++0x.lo: hashtable_c++0x.cc
am__DEPENDENCIES_1 =
am__libstdc___la_SOURCES_DIST = atomic.cc bitmap_allocator.cc \
pool_allocator.cc mt_allocator.cc codecvt.cc compatibility.cc \
- complex_io.cc ctype.cc debug.cc functexcept.cc hash_tr1.cc \
- hash_c++0x.cc globals_io.cc hashtable_tr1.cc \
+ compatibility-c++0x.cc complex_io.cc ctype.cc debug.cc \
+ functexcept.cc hash_tr1.cc globals_io.cc hashtable_tr1.cc \
hashtable_c++0x.cc ios.cc ios_failure.cc ios_init.cc \
ios_locale.cc limits.cc limits_c++0x.cc list.cc debug_list.cc \
locale.cc locale_init.cc locale_facets.cc localename.cc \
am__objects_4 = basic_file.lo c++locale.lo $(am__objects_2) \
$(am__objects_3)
am__objects_5 = atomic.lo bitmap_allocator.lo pool_allocator.lo \
- mt_allocator.lo codecvt.lo compatibility.lo complex_io.lo \
- ctype.lo debug.lo functexcept.lo hash_tr1.lo hash_c++0x.lo \
- globals_io.lo hashtable_tr1.lo hashtable_c++0x.lo ios.lo \
- ios_failure.lo ios_init.lo ios_locale.lo limits.lo \
- limits_c++0x.lo list.lo debug_list.lo locale.lo locale_init.lo \
- locale_facets.lo localename.lo math_stubs_float.lo \
- math_stubs_long_double.lo stdexcept.lo strstream.lo \
- system_error.lo tree.lo allocator-inst.lo concept-inst.lo \
- fstream-inst.lo ext-inst.lo ios-inst.lo iostream-inst.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 \
+ mt_allocator.lo codecvt.lo compatibility.lo \
+ compatibility-c++0x.lo complex_io.lo ctype.lo debug.lo \
+ functexcept.lo hash_tr1.lo globals_io.lo hashtable_tr1.lo \
+ hashtable_c++0x.lo ios.lo ios_failure.lo ios_init.lo \
+ ios_locale.lo limits.lo limits_c++0x.lo list.lo debug_list.lo \
+ locale.lo locale_init.lo locale_facets.lo localename.lo \
+ math_stubs_float.lo math_stubs_long_double.lo stdexcept.lo \
+ strstream.lo system_error.lo tree.lo allocator-inst.lo \
+ concept-inst.lo fstream-inst.lo ext-inst.lo ios-inst.lo \
+ iostream-inst.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 chrono.lo \
thread.lo future.lo $(am__objects_1) $(am__objects_4)
am_libstdc___la_OBJECTS = $(am__objects_5)
mt_allocator.cc \
codecvt.cc \
compatibility.cc \
+ compatibility-c++0x.cc \
complex_io.cc \
ctype.cc \
debug.cc \
functexcept.cc \
hash_tr1.cc \
- hash_c++0x.cc \
globals_io.cc \
hashtable_tr1.cc \
hashtable_c++0x.cc \
condition_variable.o: condition_variable.cc
$(CXXCOMPILE) -std=gnu++0x -c $<
-hash_c++0x.lo: hash_c++0x.cc
+compatibility-c++0x.lo: compatibility-c++0x.cc
$(LTCXXCOMPILE) -std=gnu++0x -c $<
-hash_c++0x.o: hash_c++0x.cc
+compatibility-c++0x.o: compatibility-c++0x.cc
$(CXXCOMPILE) -std=gnu++0x -c $<
hashtable_c++0x.lo: hashtable_c++0x.cc
-// std::hash definitions -*- C++ -*-
+// Compatibility symbols for previous versions, C++0x bits -*- C++ -*-
-// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009 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
#include <cstddef>
#include <string>
#include <cmath>
-#include <functional>
#include <system_error>
#ifndef __GXX_EXPERIMENTAL_CXX0X__
-# error "hash_c++0x.cc must be compiled with -std=gnu++0x"
+# error "compatibility-c++0x.cc must be compiled with -std=gnu++0x"
#endif
namespace std
{
+ // We need these due to the symbols exported since GLIBCXX_3.4.10.
+ // See libstdc++/41662 for details.
+
+ template<typename _Tp>
+ struct hash : public std::unary_function<_Tp, size_t>
+ {
+ size_t
+ operator()(_Tp __val) const;
+ };
+
+ /// Dummy generic implementation (for sizeof(size_t) != 4, 8).
+ template<size_t = sizeof(size_t)>
+ struct _Fnv_hash
+ {
+ static size_t
+ hash(const char* __first, size_t __length)
+ {
+ size_t __result = 0;
+ for (; __length > 0; --__length)
+ __result = (__result * 131) + *__first++;
+ return __result;
+ }
+ };
+
#include "hash.cc"
template<>
// 10 bytes -> 12 bytes) and resort to frexp.
template<>
size_t
- hash<long double>::operator()(long double __val) const throw ()
+ hash<long double>::operator()(long double __val) const
{
size_t __result = 0;
template<>
size_t
- hash<const string&>::operator()(const string& __s) const throw ()
+ hash<const string&>::operator()(const string& __s) const
{ return _Fnv_hash<>::hash(__s.data(), __s.length()); }
#ifdef _GLIBCXX_USE_WCHAR_T
template<>
size_t
- hash<const wstring&>::operator()(const wstring& __s) const throw ()
+ hash<const wstring&>::operator()(const wstring& __s) const
{
const char* __p = reinterpret_cast<const char*>(__s.data());
return _Fnv_hash<>::hash(__p, __s.length() * sizeof(wchar_t));
#include <testsuite_hooks.h>
#include <testsuite_api.h>
-typedef __gnu_test::NonDefaultConstructible inst_type;
-template class std::unordered_map<inst_type, inst_type>;
+typedef __gnu_test::NonDefaultConstructible inst_type;
+typedef __gnu_test::NonDefaultConstructible_hash hash_type;
+template class std::unordered_map<inst_type, inst_type, hash_type>;
#include <testsuite_hooks.h>
#include <testsuite_api.h>
-typedef __gnu_test::NonDefaultConstructible inst_type;
-template class std::unordered_multimap<inst_type, inst_type>;
+typedef __gnu_test::NonDefaultConstructible inst_type;
+typedef __gnu_test::NonDefaultConstructible_hash hash_type;
+template class std::unordered_multimap<inst_type, inst_type, hash_type>;
#include <testsuite_hooks.h>
#include <testsuite_api.h>
-template class std::unordered_multiset<__gnu_test::NonDefaultConstructible>;
+typedef __gnu_test::NonDefaultConstructible inst_type;
+typedef __gnu_test::NonDefaultConstructible_hash hash_type;
+template class std::unordered_multiset<inst_type, hash_type>;
#include <testsuite_hooks.h>
#include <testsuite_api.h>
-template class std::unordered_set<__gnu_test::NonDefaultConstructible>;
+typedef __gnu_test::NonDefaultConstructible inst_type;
+typedef __gnu_test::NonDefaultConstructible_hash hash_type;
+template class std::unordered_set<inst_type, hash_type>;
// <http://www.gnu.org/licenses/>.
//
+#include <cstddef>
#include <exception>
#include <testsuite_hooks.h>
operator<(const NonDefaultConstructible&, const NonDefaultConstructible&)
{ return false; }
+ // For 23 unordered_* requirements.
+ struct NonDefaultConstructible_hash
+ {
+ size_t
+ operator()(NonDefaultConstructible) const
+ { return 1; }
+ };
+
// For 26 numeric algorithms requirements, need addable,
// subtractable, multiplicable.
inline NonDefaultConstructible
operator()() const
{ return result_type(2); }
};
-
}
+
#endif
projects / platform / upstream / linaro-gcc.git / commitdiff