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1 742 jeremybenn
//  -*- C++ -*-
2
 
3
// Copyright (C) 2009, 2010, 2011 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
// .
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 
30
 
31
#ifndef _GLIBCXX_DECIMAL
32
#define _GLIBCXX_DECIMAL 1
33
 
34
#pragma GCC system_header
35
 
36
#include 
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
  /**
46
    * @defgroup decimal Decimal Floating-Point Arithmetic
47
    * @ingroup numerics
48
    *
49
    * Classes and functions for decimal floating-point arithmetic.
50
    * @{
51
    */
52
 
53
  /** @namespace std::decimal
54
    * @brief ISO/IEC TR 24733 Decimal floating-point arithmetic.
55
    */
56
namespace decimal
57
{
58
  _GLIBCXX_BEGIN_NAMESPACE_VERSION
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
    // 3.2.2.5  Conversion to integral type. (DISABLED)
254
    //operator long long() const { return (long long)__val; }
255
 
256
    // 3.2.2.6  Increment and decrement operators.
257
    decimal32& operator++()
258
    {
259
      __val += 1;
260
      return *this;
261
    }
262
 
263
    decimal32 operator++(int)
264
    {
265
      decimal32 __tmp = *this;
266
      __val += 1;
267
      return __tmp;
268
    }
269
 
270
    decimal32& operator--()
271
    {
272
      __val -= 1;
273
      return *this;
274
    }
275
 
276
    decimal32   operator--(int)
277
    {
278
      decimal32 __tmp = *this;
279
      __val -= 1;
280
      return __tmp;
281
    }
282
 
283
    // 3.2.2.7  Compound assignment.
284
#define _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(_Op)     \
285
    decimal32& operator _Op(decimal32 __rhs);          \
286
    decimal32& operator _Op(decimal64 __rhs);          \
287
    decimal32& operator _Op(decimal128 __rhs);          \
288
    decimal32& operator _Op(int __rhs);                  \
289
    decimal32& operator _Op(unsigned int __rhs);  \
290
    decimal32& operator _Op(long __rhs);          \
291
    decimal32& operator _Op(unsigned long __rhs);  \
292
    decimal32& operator _Op(long long __rhs);          \
293
    decimal32& operator _Op(unsigned long long __rhs);
294
 
295
    _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(+=)
296
    _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(-=)
297
    _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(*=)
298
    _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT(/=)
299
#undef _DECLARE_DECIMAL32_COMPOUND_ASSIGNMENT
300
 
301
  private:
302
    __decfloat32 __val;
303
 
304
  public:
305
    __decfloat32 __getval(void) { return __val; }
306
    void __setval(__decfloat32 __x) { __val = __x; }
307
  };
308
 
309
  /// 3.2.3  Class decimal64.
310
  class decimal64
311
  {
312
  public:
313
    typedef float __decfloat64 __attribute__((mode(DD)));
314
 
315
    // 3.2.3.2  Construct/copy/destroy.
316
    decimal64()                                 : __val(0.e-398dd) {}
317
 
318
    // 3.2.3.3  Conversion from floating-point type.
319
             decimal64(decimal32 d32);
320
    explicit decimal64(decimal128 d128);
321
    explicit decimal64(float __r)               : __val(__r) {}
322
    explicit decimal64(double __r)              : __val(__r) {}
323
    explicit decimal64(long double __r)         : __val(__r) {}
324
 
325
    // 3.2.3.4  Conversion from integral type.
326
    decimal64(int __z)                          : __val(__z) {}
327
    decimal64(unsigned int __z)                 : __val(__z) {}
328
    decimal64(long __z)                         : __val(__z) {}
329
    decimal64(unsigned long __z)                : __val(__z) {}
330
    decimal64(long long __z)                    : __val(__z) {}
331
    decimal64(unsigned long long __z)           : __val(__z) {}
332
 
333
    /// Conforming extension: Conversion from scalar decimal type.
334
    decimal64(__decfloat64 __z)                 : __val(__z) {}
335
 
336
    // 3.2.3.5  Conversion to integral type. (DISABLED)
337
    //operator long long() const { return (long long)__val; }
338
 
339
    // 3.2.3.6  Increment and decrement operators.
340
    decimal64& operator++()
341
    {
342
      __val += 1;
343
      return *this;
344
    }
345
 
346
    decimal64 operator++(int)
347
    {
348
      decimal64 __tmp = *this;
349
      __val += 1;
350
      return __tmp;
351
    }
352
 
353
    decimal64& operator--()
354
    {
355
      __val -= 1;
356
      return *this;
357
    }
358
 
359
    decimal64 operator--(int)
360
    {
361
      decimal64 __tmp = *this;
362
      __val -= 1;
363
      return __tmp;
364
    }
365
 
366
    // 3.2.3.7  Compound assignment.
367
#define _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(_Op)     \
368
    decimal64& operator _Op(decimal32 __rhs);          \
369
    decimal64& operator _Op(decimal64 __rhs);          \
370
    decimal64& operator _Op(decimal128 __rhs);          \
371
    decimal64& operator _Op(int __rhs);                  \
372
    decimal64& operator _Op(unsigned int __rhs);  \
373
    decimal64& operator _Op(long __rhs);          \
374
    decimal64& operator _Op(unsigned long __rhs);  \
375
    decimal64& operator _Op(long long __rhs);          \
376
    decimal64& operator _Op(unsigned long long __rhs);
377
 
378
    _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(+=)
379
    _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(-=)
380
    _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(*=)
381
    _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT(/=)
382
#undef _DECLARE_DECIMAL64_COMPOUND_ASSIGNMENT
383
 
384
  private:
385
    __decfloat64 __val;
386
 
387
  public:
388
    __decfloat64 __getval(void) { return __val; }
389
    void __setval(__decfloat64 __x) { __val = __x; }
390
  };
391
 
392
  /// 3.2.4  Class decimal128.
393
  class decimal128
394
  {
395
  public:
396
    typedef float __decfloat128 __attribute__((mode(TD)));
397
 
398
    // 3.2.4.2  Construct/copy/destroy.
399
    decimal128()                                : __val(0.e-6176DL) {}
400
 
401
    // 3.2.4.3  Conversion from floating-point type.
402
             decimal128(decimal32 d32);
403
             decimal128(decimal64 d64);
404
    explicit decimal128(float __r)              : __val(__r) {}
405
    explicit decimal128(double __r)             : __val(__r) {}
406
    explicit decimal128(long double __r)        : __val(__r) {}
407
 
408
 
409
    // 3.2.4.4  Conversion from integral type.
410
    decimal128(int __z)                         : __val(__z) {}
411
    decimal128(unsigned int __z)                : __val(__z) {}
412
    decimal128(long __z)                        : __val(__z) {}
413
    decimal128(unsigned long __z)               : __val(__z) {}
414
    decimal128(long long __z)                   : __val(__z) {}
415
    decimal128(unsigned long long __z)          : __val(__z) {}
416
 
417
    /// Conforming extension: Conversion from scalar decimal type.
418
    decimal128(__decfloat128 __z)               : __val(__z) {}
419
 
420
    // 3.2.4.5  Conversion to integral type. (DISABLED)
421
    //operator long long() const { return (long long)__val; }
422
 
423
    // 3.2.4.6  Increment and decrement operators.
424
    decimal128& operator++()
425
    {
426
      __val += 1;
427
      return *this;
428
    }
429
 
430
    decimal128 operator++(int)
431
    {
432
      decimal128 __tmp = *this;
433
      __val += 1;
434
      return __tmp;
435
    }
436
 
437
    decimal128& operator--()
438
    {
439
      __val -= 1;
440
      return *this;
441
    }
442
 
443
    decimal128   operator--(int)
444
    {
445
      decimal128 __tmp = *this;
446
      __val -= 1;
447
      return __tmp;
448
    }
449
 
450
    // 3.2.4.7  Compound assignment.
451
#define _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(_Op)    \
452
    decimal128& operator _Op(decimal32 __rhs);         \
453
    decimal128& operator _Op(decimal64 __rhs);         \
454
    decimal128& operator _Op(decimal128 __rhs);         \
455
    decimal128& operator _Op(int __rhs);         \
456
    decimal128& operator _Op(unsigned int __rhs); \
457
    decimal128& operator _Op(long __rhs);         \
458
    decimal128& operator _Op(unsigned long __rhs); \
459
    decimal128& operator _Op(long long __rhs);         \
460
    decimal128& operator _Op(unsigned long long __rhs);
461
 
462
    _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(+=)
463
    _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(-=)
464
    _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(*=)
465
    _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT(/=)
466
#undef _DECLARE_DECIMAL128_COMPOUND_ASSIGNMENT
467
 
468
  private:
469
    __decfloat128 __val;
470
 
471
  public:
472
    __decfloat128 __getval(void) { return __val; }
473
    void __setval(__decfloat128 __x) { __val = __x; }
474
  };
475
 
476
#define _GLIBCXX_USE_DECIMAL_ 1
477
 
478
  _GLIBCXX_END_NAMESPACE_VERSION
479
} // namespace decimal
480
  // @} group decimal
481
} // namespace std
482
 
483
#include 
484
 
485
#endif /* _GLIBCXX_DECIMAL */

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