The C and C++ Include Header Files

/usr/include/c++/11/decimal/decimal


$ cat -n /usr/include/c++/11/decimal/decimal

     1	// <decimal> -*- C++ -*-
     2	
     3	// Copyright (C) 2009-2021 Free Software Foundation, Inc.
     4	// This file is part of the GNU ISO C++ Library.  This library is free
     5	// software; you can redistribute it and/or modify it under the
     6	// terms of the GNU General Public License as published by the
     7	// Free Software Foundation; either version 3, or (at your option)
     8	// any later version.
     9	
    10	// This library is distributed in the hope that it will be useful,
    11	// but WITHOUT ANY WARRANTY; without even the implied warranty of
    12	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13	// GNU General Public License for more details.
    14	
    15	// Under Section 7 of GPL version 3, you are granted additional
    16	// permissions described in the GCC Runtime Library Exception, version
    17	// 3.1, as published by the Free Software Foundation.
    18	
    19	// You should have received a copy of the GNU General Public License and
    20	// a copy of the GCC Runtime Library Exception along with this program;
    21	// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    22	// <http://www.gnu.org/licenses/>.
    23	
    24	/** @file decimal/decimal
    25	 *  This is a Standard C++ Library header.
    26	 */
    27	
    28	// ISO/IEC TR 24733 
    29	// Written by Janis Johnson <janis187@us.ibm.com>
    30	
    31	#ifndef _GLIBCXX_DECIMAL
    32	#define _GLIBCXX_DECIMAL 1
    33	
    34	#pragma GCC system_header
    35	
    36	#include <bits/c++config.h>
    37	
    38	#ifndef _GLIBCXX_USE_DECIMAL_FLOAT
    39	#error This file requires compiler and library support for ISO/IEC TR 24733 \
    40	that is currently not available.
    41	#endif
    42	
    43	namespace std _GLIBCXX_VISIBILITY(default)
    44	{
    45	_GLIBCXX_BEGIN_NAMESPACE_VERSION
    46	
    47	  /**
    48	    * @defgroup decimal Decimal Floating-Point Arithmetic
    49	    * @ingroup numerics
    50	    *
    51	    * Classes and functions for decimal floating-point arithmetic.
    52	    * @{
    53	    */
    54	
    55	  /** @namespace std::decimal
    56	    * @brief ISO/IEC TR 24733 Decimal floating-point arithmetic.
    57	    */
    58	namespace decimal
    59	{
    60	  class decimal32;
    61	  class decimal64;
    62	  class decimal128;
    63	
    64	  // 3.2.5  Initialization from coefficient and exponent.
    65	  static decimal32 make_decimal32(long long __coeff, int __exp);
    66	  static decimal32 make_decimal32(unsigned long long __coeff, int __exp);
    67	  static decimal64 make_decimal64(long long __coeff, int __exp);
    68	  static decimal64 make_decimal64(unsigned long long __coeff, int __exp);
    69	  static decimal128 make_decimal128(long long __coeff, int __exp);
    70	  static decimal128 make_decimal128(unsigned long long __coeff, int __exp);
    71	
    72	  /// Non-conforming extension: Conversion to integral type.
    73	  long long decimal32_to_long_long(decimal32 __d);
    74	  long long decimal64_to_long_long(decimal64 __d);
    75	  long long decimal128_to_long_long(decimal128 __d);
    76	  long long decimal_to_long_long(decimal32 __d);
    77	  long long decimal_to_long_long(decimal64 __d);
    78	  long long decimal_to_long_long(decimal128 __d);
    79	
    80	  // 3.2.6  Conversion to generic floating-point type.
    81	  float decimal32_to_float(decimal32 __d);
    82	  float decimal64_to_float(decimal64 __d);
    83	  float decimal128_to_float(decimal128 __d);
    84	  float decimal_to_float(decimal32 __d);
    85	  float decimal_to_float(decimal64 __d);
    86	  float decimal_to_float(decimal128 __d);
    87	
    88	  double decimal32_to_double(decimal32 __d);
    89	  double decimal64_to_double(decimal64 __d);
    90	  double decimal128_to_double(decimal128 __d);
    91	  double decimal_to_double(decimal32 __d);
    92	  double decimal_to_double(decimal64 __d);
    93	  double decimal_to_double(decimal128 __d);
    94	
    95	  long double decimal32_to_long_double(decimal32 __d);
    96	  long double decimal64_to_long_double(decimal64 __d);
    97	  long double decimal128_to_long_double(decimal128 __d);
    98	  long double decimal_to_long_double(decimal32 __d);
    99	  long double decimal_to_long_double(decimal64 __d);
   100	  long double decimal_to_long_double(decimal128 __d);
   101	
   102	  // 3.2.7  Unary arithmetic operators.
   103	  decimal32  operator+(decimal32 __rhs);
   104	  decimal64  operator+(decimal64 __rhs);
   105	  decimal128 operator+(decimal128 __rhs);
   106	  decimal32  operator-(decimal32 __rhs);
   107	  decimal64  operator-(decimal64 __rhs);
   108	  decimal128 operator-(decimal128 __rhs);
   109	
   110	  // 3.2.8  Binary arithmetic operators.
   111	#define _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(_Op, _T1, _T2, _T3)	\
   112	  _T1 operator _Op(_T2 __lhs, _T3 __rhs);
   113	#define _DECLARE_DECIMAL_BINARY_OP_WITH_INT(_Op, _Tp)		\
   114	  _Tp operator _Op(_Tp __lhs, int __rhs);			\
   115	  _Tp operator _Op(_Tp __lhs, unsigned int __rhs);		\
   116	  _Tp operator _Op(_Tp __lhs, long __rhs);			\
   117	  _Tp operator _Op(_Tp __lhs, unsigned long __rhs);		\
   118	  _Tp operator _Op(_Tp __lhs, long long __rhs);			\
   119	  _Tp operator _Op(_Tp __lhs, unsigned long long __rhs);	\
   120	  _Tp operator _Op(int __lhs, _Tp __rhs);			\
   121	  _Tp operator _Op(unsigned int __lhs, _Tp __rhs);		\
   122	  _Tp operator _Op(long __lhs, _Tp __rhs);			\
   123	  _Tp operator _Op(unsigned long __lhs, _Tp __rhs);		\
   124	  _Tp operator _Op(long long __lhs, _Tp __rhs);			\
   125	  _Tp operator _Op(unsigned long long __lhs, _Tp __rhs);
   126	
   127	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal32, decimal32, decimal32)
   128	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(+, decimal32)
   129	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal64, decimal32, decimal64)
   130	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal64, decimal64, decimal32)
   131	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal64, decimal64, decimal64)
   132	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(+, decimal64)
   133	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal32, decimal128)
   134	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal64, decimal128)
   135	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal128, decimal32)
   136	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal128, decimal64)
   137	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(+, decimal128, decimal128, decimal128)
   138	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(+, decimal128)
   139	
   140	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal32, decimal32, decimal32)
   141	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(-, decimal32)
   142	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal64, decimal32, decimal64)
   143	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal64, decimal64, decimal32)
   144	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal64, decimal64, decimal64)
   145	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(-, decimal64)
   146	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal32, decimal128)
   147	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal64, decimal128)
   148	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal128, decimal32)
   149	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal128, decimal64)
   150	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(-, decimal128, decimal128, decimal128)
   151	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(-, decimal128)
   152	
   153	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal32, decimal32, decimal32)
   154	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(*, decimal32)
   155	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal64, decimal32, decimal64)
   156	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal64, decimal64, decimal32)
   157	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal64, decimal64, decimal64)
   158	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(*, decimal64)
   159	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal32, decimal128)
   160	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal64, decimal128)
   161	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal128, decimal32)
   162	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal128, decimal64)
   163	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(*, decimal128, decimal128, decimal128)
   164	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(*, decimal128)
   165	
   166	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal32, decimal32, decimal32)
   167	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(/, decimal32)
   168	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal64, decimal32, decimal64)
   169	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal64, decimal64, decimal32)
   170	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal64, decimal64, decimal64)
   171	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(/, decimal64)
   172	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal32, decimal128)
   173	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal64, decimal128)
   174	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal128, decimal32)
   175	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal128, decimal64)
   176	  _DECLARE_DECIMAL_BINARY_OP_WITH_DEC(/, decimal128, decimal128, decimal128)
   177	  _DECLARE_DECIMAL_BINARY_OP_WITH_INT(/, decimal128)
   178	
   179	#undef _DECLARE_DECIMAL_BINARY_OP_WITH_DEC
   180	#undef _DECLARE_DECIMAL_BINARY_OP_WITH_INT
   181	
   182	  // 3.2.9  Comparison operators.
   183	#define _DECLARE_DECIMAL_COMPARISON(_Op, _Tp)				\
   184	  bool operator _Op(_Tp __lhs, decimal32 __rhs);			\
   185	  bool operator _Op(_Tp __lhs, decimal64 __rhs);			\
   186	  bool operator _Op(_Tp __lhs, decimal128 __rhs);			\
   187	  bool operator _Op(_Tp __lhs, int __rhs);				\
   188	  bool operator _Op(_Tp __lhs, unsigned int __rhs);			\
   189	  bool operator _Op(_Tp __lhs, long __rhs);				\
   190	  bool operator _Op(_Tp __lhs, unsigned long __rhs);			\
   191	  bool operator _Op(_Tp __lhs, long long __rhs);			\
   192	  bool operator _Op(_Tp __lhs, unsigned long long __rhs);		\
   193	  bool operator _Op(int __lhs, _Tp __rhs);				\
   194	  bool operator _Op(unsigned int __lhs, _Tp __rhs);			\
   195	  bool operator _Op(long __lhs, _Tp __rhs);				\
   196	  bool operator _Op(unsigned long __lhs, _Tp __rhs);			\
   197	  bool operator _Op(long long __lhs, _Tp __rhs);			\
   198	  bool operator _Op(unsigned long long __lhs, _Tp __rhs);
   199	
   200	  _DECLARE_DECIMAL_COMPARISON(==, decimal32)
   201	  _DECLARE_DECIMAL_COMPARISON(==, decimal64)
   202	  _DECLARE_DECIMAL_COMPARISON(==, decimal128)
   203	
   204	  _DECLARE_DECIMAL_COMPARISON(!=, decimal32)
   205	  _DECLARE_DECIMAL_COMPARISON(!=, decimal64)
   206	  _DECLARE_DECIMAL_COMPARISON(!=, decimal128)
   207	
   208	  _DECLARE_DECIMAL_COMPARISON(<, decimal32)
   209	  _DECLARE_DECIMAL_COMPARISON(<, decimal64)
   210	  _DECLARE_DECIMAL_COMPARISON(<, decimal128)
   211	
   212	  _DECLARE_DECIMAL_COMPARISON(>=, decimal32)
   213	  _DECLARE_DECIMAL_COMPARISON(>=, decimal64)
   214	  _DECLARE_DECIMAL_COMPARISON(>=, decimal128)
   215	
   216	  _DECLARE_DECIMAL_COMPARISON(>, decimal32)
   217	  _DECLARE_DECIMAL_COMPARISON(>, decimal64)
   218	  _DECLARE_DECIMAL_COMPARISON(>, decimal128)
   219	
   220	  _DECLARE_DECIMAL_COMPARISON(>=, decimal32)
   221	  _DECLARE_DECIMAL_COMPARISON(>=, decimal64)
   222	  _DECLARE_DECIMAL_COMPARISON(>=, decimal128)
   223	
   224	#undef _DECLARE_DECIMAL_COMPARISON
   225	
   226	  /// 3.2.2  Class decimal32.
   227	  class decimal32
   228	  {
   229	  public:
   230	    typedef float __decfloat32 __attribute__((mode(SD)));
   231	
   232	    // 3.2.2.2  Construct/copy/destroy.
   233	    decimal32()					: __val(0.e-101DF) {}
   234	
   235	    // 3.2.2.3  Conversion from floating-point type.
   236	    explicit decimal32(decimal64 __d64);
   237	    explicit decimal32(decimal128 __d128);
   238	    explicit decimal32(float __r)		: __val(__r) {}
   239	    explicit decimal32(double __r)		: __val(__r) {}
   240	    explicit decimal32(long double __r)		: __val(__r) {}
   241	
   242	    // 3.2.2.4  Conversion from integral type.
   243	    decimal32(int __z)				: __val(__z) {}
   244	    decimal32(unsigned int __z)			: __val(__z) {}
   245	    decimal32(long __z)				: __val(__z) {}
   246	    decimal32(unsigned long __z)		: __val(__z) {}
   247	    decimal32(long long __z)			: __val(__z) {}
   248	    decimal32(unsigned long long __z)		: __val(__z) {}
   249	
   250	    /// Conforming extension: Conversion from scalar decimal type.
   251	    decimal32(__decfloat32 __z)			: __val(__z) {}
   252	
   253	#if __cplusplus >= 201103L
   254	    // 3.2.2.5  Conversion to integral type.
   255	    // Note: explicit per n3407.
   256	    explicit operator long long() const { return (long long)__val; }
   257	#endif
   258	
   259	    // 3.2.2.6  Increment and decrement operators.
   260	    decimal32& operator++()
   261	    {
   262	      __val += 1;
   263	      return *this;
   264	    }
   265	
   266	    decimal32 operator++(int)
   267	    {
   268	      decimal32 __tmp = *this;
   269	      __val += 1;
   270	      return __tmp;
   271	    }
   272	
   273	    decimal32& operator--()
   274	    {
   275	      __val -= 1;
   276	      return *this;
   277	    }
   278	
   279	    decimal32   operator--(int)
   280	    {
   281	      decimal32 __tmp = *this;
   282	      __val -= 1;
   283	      return __tmp;
   284	    }
   285	
   286	    // 3.2.2.7  Compound assignment.
   287	#define _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(_Op)	\
   288	    decimal32& operator _Op(decimal32 __rhs);		\
   289	    decimal32& operator _Op(decimal64 __rhs);		\
   290	    decimal32& operator _Op(decimal128 __rhs);		\
   291	    decimal32& operator _Op(int __rhs);			\
   292	    decimal32& operator _Op(unsigned int __rhs);	\
   293	    decimal32& operator _Op(long __rhs);		\
   294	    decimal32& operator _Op(unsigned long __rhs);	\
   295	    decimal32& operator _Op(long long __rhs);		\
   296	    decimal32& operator _Op(unsigned long long __rhs);
   297	
   298	    _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(+=)
   299	    _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(-=)
   300	    _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(*=)
   301	    _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(/=)
   302	#undef _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT
   303	
   304	  private:
   305	    __decfloat32 __val;
   306	
   307	  public:
   308	    __decfloat32 __getval(void) { return __val; }
   309	    void __setval(__decfloat32 __x) { __val = __x; }
   310	  };
   311	
   312	  /// 3.2.3  Class decimal64.
   313	  class decimal64
   314	  {
   315	  public:
   316	    typedef float __decfloat64 __attribute__((mode(DD)));
   317	
   318	    // 3.2.3.2  Construct/copy/destroy.
   319	    decimal64()					: __val(0.e-398dd) {}
   320	
   321	    // 3.2.3.3  Conversion from floating-point type.
   322		     decimal64(decimal32 d32);
   323	    explicit decimal64(decimal128 d128);
   324	    explicit decimal64(float __r)		: __val(__r) {}
   325	    explicit decimal64(double __r)		: __val(__r) {}
   326	    explicit decimal64(long double __r)		: __val(__r) {}
   327	
   328	    // 3.2.3.4  Conversion from integral type.
   329	    decimal64(int __z)				: __val(__z) {}
   330	    decimal64(unsigned int __z)			: __val(__z) {}
   331	    decimal64(long __z)				: __val(__z) {}
   332	    decimal64(unsigned long __z)		: __val(__z) {}
   333	    decimal64(long long __z)			: __val(__z) {}
   334	    decimal64(unsigned long long __z)		: __val(__z) {}
   335	
   336	    /// Conforming extension: Conversion from scalar decimal type.
   337	    decimal64(__decfloat64 __z)			: __val(__z) {}
   338	
   339	#if __cplusplus >= 201103L
   340	    // 3.2.3.5  Conversion to integral type.
   341	    // Note: explicit per n3407.
   342	    explicit operator long long() const { return (long long)__val; }
   343	#endif
   344	
   345	    // 3.2.3.6  Increment and decrement operators.
   346	    decimal64& operator++()
   347	    {
   348	      __val += 1;
   349	      return *this;
   350	    }
   351	
   352	    decimal64 operator++(int)
   353	    {
   354	      decimal64 __tmp = *this;
   355	      __val += 1;
   356	      return __tmp;
   357	    }
   358	
   359	    decimal64& operator--()
   360	    {
   361	      __val -= 1;
   362	      return *this;
   363	    }
   364	
   365	    decimal64 operator--(int)
   366	    {
   367	      decimal64 __tmp = *this;
   368	      __val -= 1;
   369	      return __tmp;
   370	    }
   371	
   372	    // 3.2.3.7  Compound assignment.
   373	#define _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(_Op)	\
   374	    decimal64& operator _Op(decimal32 __rhs);		\
   375	    decimal64& operator _Op(decimal64 __rhs);		\
   376	    decimal64& operator _Op(decimal128 __rhs);		\
   377	    decimal64& operator _Op(int __rhs);			\
   378	    decimal64& operator _Op(unsigned int __rhs);	\
   379	    decimal64& operator _Op(long __rhs);		\
   380	    decimal64& operator _Op(unsigned long __rhs);	\
   381	    decimal64& operator _Op(long long __rhs);		\
   382	    decimal64& operator _Op(unsigned long long __rhs);
   383	
   384	    _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(+=)
   385	    _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(-=)
   386	    _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(*=)
   387	    _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(/=)
   388	#undef _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT
   389	
   390	  private:
   391	    __decfloat64 __val;
   392	
   393	  public:
   394	    __decfloat64 __getval(void) { return __val; }
   395	    void __setval(__decfloat64 __x) { __val = __x; }
   396	  };
   397	
   398	  /// 3.2.4  Class decimal128.
   399	  class decimal128
   400	  {
   401	  public:
   402	    typedef float __decfloat128 __attribute__((mode(TD)));
   403	
   404	    // 3.2.4.2  Construct/copy/destroy.
   405	    decimal128()				: __val(0.e-6176DL) {}
   406	
   407	    // 3.2.4.3  Conversion from floating-point type.
   408		     decimal128(decimal32 d32);
   409		     decimal128(decimal64 d64);
   410	    explicit decimal128(float __r)		: __val(__r) {}
   411	    explicit decimal128(double __r)		: __val(__r) {}
   412	    explicit decimal128(long double __r)	: __val(__r) {}
   413	
   414	
   415	    // 3.2.4.4  Conversion from integral type.
   416	    decimal128(int __z)				: __val(__z) {}
   417	    decimal128(unsigned int __z)		: __val(__z) {}
   418	    decimal128(long __z)			: __val(__z) {}
   419	    decimal128(unsigned long __z)		: __val(__z) {}
   420	    decimal128(long long __z)			: __val(__z) {}
   421	    decimal128(unsigned long long __z)		: __val(__z) {}
   422	
   423	    /// Conforming extension: Conversion from scalar decimal type.
   424	    decimal128(__decfloat128 __z)		: __val(__z) {}
   425	
   426	#if __cplusplus >= 201103L
   427	    // 3.2.4.5  Conversion to integral type.
   428	    // Note: explicit per n3407.
   429	    explicit operator long long() const { return (long long)__val; }
   430	#endif
   431	
   432	    // 3.2.4.6  Increment and decrement operators.
   433	    decimal128& operator++()
   434	    {
   435	      __val += 1;
   436	      return *this;
   437	    }
   438	
   439	    decimal128 operator++(int)
   440	    {
   441	      decimal128 __tmp = *this;
   442	      __val += 1;
   443	      return __tmp;
   444	    }
   445	
   446	    decimal128& operator--()
   447	    {
   448	      __val -= 1;
   449	      return *this;
   450	    }
   451	
   452	    decimal128   operator--(int)
   453	    {
   454	      decimal128 __tmp = *this;
   455	      __val -= 1;
   456	      return __tmp;
   457	    }
   458	
   459	    // 3.2.4.7  Compound assignment.
   460	#define _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(_Op)	\
   461	    decimal128& operator _Op(decimal32 __rhs);		\
   462	    decimal128& operator _Op(decimal64 __rhs);		\
   463	    decimal128& operator _Op(decimal128 __rhs);		\
   464	    decimal128& operator _Op(int __rhs);		\
   465	    decimal128& operator _Op(unsigned int __rhs);	\
   466	    decimal128& operator _Op(long __rhs);		\
   467	    decimal128& operator _Op(unsigned long __rhs);	\
   468	    decimal128& operator _Op(long long __rhs);		\
   469	    decimal128& operator _Op(unsigned long long __rhs);
   470	
   471	    _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(+=)
   472	    _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(-=)
   473	    _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(*=)
   474	    _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(/=)
   475	#undef _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT
   476	
   477	  private:
   478	    __decfloat128 __val;
   479	
   480	  public:
   481	    __decfloat128 __getval(void) { return __val; }
   482	    void __setval(__decfloat128 __x) { __val = __x; }
   483	  };
   484	
   485	#define _GLIBCXX_USE_DECIMAL_ 1
   486	} // namespace decimal
   487	  /// @} group decimal
   488	
   489	_GLIBCXX_END_NAMESPACE_VERSION
   490	} // namespace std
   491	
   492	#include <decimal/decimal.h>
   493	
   494	#endif /* _GLIBCXX_DECIMAL */