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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [torture/] [builtin-math-2.c] - Blame information for rev 689

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1 689 jeremybenn
/* Copyright (C) 2006, 2007  Free Software Foundation.
2
 
3
   Test things that should block GCC from optimizing compile-time
4
   constants passed to a builtin transcendental function.
5
 
6
   Origin: Kaveh R. Ghazi,  October 22, 2006.  */
7
 
8
/* { dg-do compile } */
9
/* { dg-options "-fdump-tree-original" } */
10
 
11
extern void foof (float);
12
extern void foo (double);
13
extern void fool (long double);
14
 
15
#define TESTIT(FUNC, ARG) do { \
16
  foof (__builtin_##FUNC##f (ARG##F)); \
17
  foo (__builtin_##FUNC (ARG)); \
18
  fool (__builtin_##FUNC##l (ARG##L)); \
19
} while (0)
20
 
21
#define TESTIT2(FUNC, ARG1, ARG2) do { \
22
  foof (__builtin_##FUNC##f (ARG1##F, ARG2##F)); \
23
  foo (__builtin_##FUNC (ARG1, ARG2)); \
24
  fool (__builtin_##FUNC##l (ARG1##L, ARG2##L)); \
25
} while (0)
26
 
27
#define TESTIT2_I1(FUNC, ARG1, ARG2) do { \
28
  foof (__builtin_##FUNC##f (ARG1, ARG2##F)); \
29
  foo (__builtin_##FUNC (ARG1, ARG2)); \
30
  fool (__builtin_##FUNC##l (ARG1, ARG2##L)); \
31
} while (0)
32
 
33
#define TESTIT2_I2ALL(FUNC, ARGF, MAXF, ARGD, MAXD, ARGLD, MAXLD) do { \
34
  foof (__builtin_##FUNC##f (ARGF, MAXF)); \
35
  foo (__builtin_##FUNC (ARGD, MAXD)); \
36
  fool (__builtin_##FUNC##l (ARGLD, MAXLD)); \
37
} while (0)
38
 
39
#define TESTIT2_I2(FUNC, ARG1, ARG2) do { \
40
  foof (__builtin_##FUNC##f (ARG1##F, ARG2)); \
41
  foo (__builtin_##FUNC (ARG1, ARG2)); \
42
  fool (__builtin_##FUNC##l (ARG1##L, ARG2)); \
43
} while (0)
44
 
45
#define TESTIT_REMQUO(ARG1, ARG2) do { \
46
  int quo; \
47
  foof (__builtin_remquof (ARG1##F, ARG2##F, &quo)); \
48
  foo (__builtin_remquo (ARG1, ARG2, &quo)); \
49
  fool (__builtin_remquol (ARG1##L, ARG2##L, &quo)); \
50
} while (0)
51
 
52
#define TESTIT_REENT(FUNC,ARG1) do { \
53
  int sg; \
54
  foof (__builtin_##FUNC##f_r (ARG1##F, &sg)); \
55
  foo (__builtin_##FUNC##_r (ARG1, &sg)); \
56
  fool (__builtin_##FUNC##l_r (ARG1##L, &sg)); \
57
} while (0)
58
 
59
void bar()
60
{
61
  /* An argument of NaN is not evaluated at compile-time.  */
62
#ifndef __SPU__
63
  foof (__builtin_exp2f (__builtin_nanf("")));
64
#endif
65
  foo (__builtin_exp2 (__builtin_nan("")));
66
  fool (__builtin_exp2l (__builtin_nanl("")));
67
 
68
  /* An argument of Inf/-Inf is not evaluated at compile-time.  */
69
#ifndef __SPU__
70
  foof (__builtin_exp2f (__builtin_inff()));
71
#endif
72
  foo (__builtin_exp2 (__builtin_inf()));
73
  fool (__builtin_exp2l (__builtin_infl()));
74
#ifndef __SPU__
75
  foof (__builtin_exp2f (-__builtin_inff()));
76
#endif
77
  foo (__builtin_exp2 (-__builtin_inf()));
78
  fool (__builtin_exp2l (-__builtin_infl()));
79
 
80
  /* Result overflows MPFR, which in version 2.2.x has 30 exponent bits.  */
81
  TESTIT (exp2, 0x1p50);
82
  /* Result underflows MPFR, which in version 2.2.x has 30 exponent bits.  */
83
  TESTIT (exp2, -0x1p50);
84
 
85
  /* Result overflows GCC's REAL_VALUE_TYPE, which has 26 exponent bits.  */
86
  TESTIT (exp2, 0x1p28);
87
  /* Result underflows GCC's REAL_VALUE_TYPE, which has 26 exponent bits.  */
88
  TESTIT (exp2, -0x1p28);
89
 
90
  /* Result overflows (even an extended) C double's mode.  */
91
  TESTIT (exp2, 0x1p24);
92
  /* Result underflows (even an extended) C double's mode.  */
93
  TESTIT (exp2, -0x1p24);
94
 
95
  /* Ensure that normal arguments/results are folded.  */
96
  TESTIT (exp2, 1.5);
97
  TESTIT (exp2, -1.5);
98
 
99
  /* The asin arg must be [-1 ... 1] inclusive.  */
100
  TESTIT (asin, -1.5);
101
  TESTIT (asin, 1.5);
102
 
103
  /* The acos arg must be [-1 ... 1] inclusive.  */
104
  TESTIT (acos, -1.5);
105
  TESTIT (acos, 1.5);
106
 
107
  /* The acosh arg must be [1 ... Inf] inclusive.  */
108
  TESTIT (acosh, 0.5);
109
 
110
  /* The atanh arg must be [-1 ... 1] EXclusive.  */
111
  TESTIT (atanh, -1.0);
112
  TESTIT (atanh, 1.0);
113
 
114
  /* The log* arg must be [0 ... Inf] EXclusive.  */
115
  TESTIT (log, -1.0);
116
  TESTIT (log, 0.0);
117
  TESTIT (log, -0.0);
118
 
119
  TESTIT (log2, -1.0);
120
  TESTIT (log2, 0.0);
121
  TESTIT (log2, -0.0);
122
 
123
  TESTIT (log10, -1.0);
124
  TESTIT (log10, 0.0);
125
  TESTIT (log10, -0.0);
126
 
127
  /* The log1p arg must be [-1 ... Inf] EXclusive.  */
128
  TESTIT (log1p, -2.0);
129
  TESTIT (log1p, -1.0);
130
 
131
  /* The tgamma arg errors with zero or negative integers.  */
132
  TESTIT (tgamma, 0.0);
133
  TESTIT (tgamma, -0.0);
134
  TESTIT (tgamma, -1.0);
135
  TESTIT (tgamma, -2.0);
136
  TESTIT (tgamma, -3.0);
137
 
138
  /* An argument of NaN is not evaluated at compile-time.  */
139
#ifndef __SPU__
140
  foof (__builtin_powf (__builtin_nanf(""), 2.5F));
141
#endif
142
  foo (__builtin_pow (__builtin_nan(""), 2.5));
143
  fool (__builtin_powl (__builtin_nanl(""), 2.5L));
144
#ifndef __SPU__
145
  foof (__builtin_powf (2.5F, __builtin_nanf("")));
146
#endif
147
  foo (__builtin_pow (2.5, __builtin_nan("")));
148
  fool (__builtin_powl (2.5L, __builtin_nanl("")));
149
 
150
  /* An argument of Inf/-Inf is not evaluated at compile-time.  */
151
#ifndef __SPU__
152
  foof (__builtin_powf (__builtin_inff(), 2.5F));
153
#endif
154
  foo (__builtin_pow (__builtin_inf(), 2.5));
155
  fool (__builtin_powl (__builtin_infl(), 2.5L));
156
#ifndef __SPU__
157
  foof (__builtin_powf (-__builtin_inff(), 2.5F));
158
#endif
159
  foo (__builtin_pow (-__builtin_inf(), 2.5));
160
  fool (__builtin_powl (-__builtin_infl(), 2.5L));
161
#ifndef __SPU__
162
  foof (__builtin_powf (2.5F, __builtin_inff()));
163
#endif
164
  foo (__builtin_pow (2.5, __builtin_inf()));
165
  fool (__builtin_powl (2.5L, __builtin_infl()));
166
#ifndef __SPU__
167
  foof (__builtin_powf (2.5F, -__builtin_inff()));
168
#endif
169
  foo (__builtin_pow (2.5, -__builtin_inf()));
170
  fool (__builtin_powl (2.5L, -__builtin_infl()));
171
 
172
  /* Check for Inv/NaN return values.  */
173
  TESTIT2 (pow, -0.0, -4.5); /* Returns Inf */
174
  TESTIT2 (pow, 0.0, -4.5); /* Returns Inf */
175
  TESTIT2 (pow, -3.0, -4.5); /* Returns NaN */
176
 
177
  /* Check for overflow/underflow.  */
178
  foof (__builtin_powf (__FLT_MAX__, 3.5F));
179
  foo (__builtin_pow (__DBL_MAX__, 3.5));
180
  fool (__builtin_powl (__LDBL_MAX__, 3.5L));
181
  TESTIT2 (pow, 2.0, 0x1p50);
182
  foof (__builtin_powf (__FLT_MAX__, -3.5F));
183
  foo (__builtin_pow (__DBL_MAX__, -3.5));
184
  fool (__builtin_powl (__LDBL_MAX__, -3.5L));
185
  TESTIT2 (pow, 2.0, -0x1p50);
186
 
187
  /* The sqrt arg must be [0 ... Inf] inclusive.  */
188
  TESTIT (sqrt, -0.5);
189
  TESTIT (sqrt, -0.0);
190
  TESTIT (sqrt, 0.0);
191
 
192
  /* Check for overflow/underflow.  */
193
 
194
  /* These adjustments are too big.  */
195
#define FLT_EXP_ADJ (2*(__FLT_MAX_EXP__-__FLT_MIN_EXP__)+1)
196
#define DBL_EXP_ADJ (2*(__DBL_MAX_EXP__-__DBL_MIN_EXP__)+1)
197
#define LDBL_EXP_ADJ (2*(__LDBL_MAX_EXP__-__LDBL_MIN_EXP__)+1)
198
 
199
  TESTIT2_I2 (ldexp, 1.0, __INT_MAX__);
200
  TESTIT2_I2 (ldexp, 1.0, -__INT_MAX__-1);
201
  TESTIT2_I2 (ldexp, -1.0, __INT_MAX__);
202
  TESTIT2_I2 (ldexp, -1.0, -__INT_MAX__-1);
203
  TESTIT2_I2ALL (ldexp, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__,
204
                 DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ);
205
  TESTIT2_I2ALL (ldexp, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__,
206
                 -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ);
207
  TESTIT2_I2ALL (ldexp, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__,
208
                 __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__);
209
  TESTIT2_I2ALL (ldexp, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__,
210
                 __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__);
211
 
212
  TESTIT2_I2 (scalbn, 1.0, __INT_MAX__);
213
  TESTIT2_I2 (scalbn, 1.0, -__INT_MAX__-1);
214
  TESTIT2_I2 (scalbn, -1.0, __INT_MAX__);
215
  TESTIT2_I2 (scalbn, -1.0, -__INT_MAX__-1);
216
  TESTIT2_I2ALL (scalbn, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__,
217
                 DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ);
218
  TESTIT2_I2ALL (scalbn, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__,
219
                 -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ);
220
  TESTIT2_I2ALL (scalbn, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__,
221
                 __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__);
222
  TESTIT2_I2ALL (scalbn, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__,
223
                 __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__);
224
 
225
  TESTIT2_I2 (scalbln, 1.0, __LONG_MAX__);
226
  TESTIT2_I2 (scalbln, 1.0, -__LONG_MAX__-1);
227
  TESTIT2_I2 (scalbln, -1.0, __LONG_MAX__);
228
  TESTIT2_I2 (scalbln, -1.0, -__LONG_MAX__-1);
229
  TESTIT2_I2ALL (scalbln, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__,
230
                 DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ);
231
  TESTIT2_I2ALL (scalbln, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__,
232
                 -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ);
233
  TESTIT2_I2ALL (scalbln, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__,
234
                 __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__);
235
  TESTIT2_I2ALL (scalbln, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__,
236
                 __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__);
237
 
238
  TESTIT (logb, 0.0);
239
  TESTIT (logb, -0.0);
240
 
241
  TESTIT (ilogb, 0.0);
242
  TESTIT (ilogb, -0.0);
243
 
244
#ifndef __SPU__
245
  foof (__builtin_ilogbf (__builtin_inff()));
246
#endif
247
  foo (__builtin_ilogb (__builtin_inf()));
248
  fool (__builtin_ilogbl (__builtin_infl()));
249
#ifndef __SPU__
250
  foof (__builtin_ilogbf (-__builtin_inff()));
251
#endif
252
  foo (__builtin_ilogb (-__builtin_inf()));
253
  fool (__builtin_ilogbl (-__builtin_infl()));
254
 
255
#ifndef __SPU__
256
  foof (__builtin_ilogbf (__builtin_nanf("")));
257
#endif
258
  foo (__builtin_ilogb (__builtin_nan("")));
259
  fool (__builtin_ilogbl (__builtin_nanl("")));
260
#ifndef __SPU__
261
  foof (__builtin_ilogbf (-__builtin_nanf("")));
262
#endif
263
  foo (__builtin_ilogb (-__builtin_nan("")));
264
  fool (__builtin_ilogbl (-__builtin_nanl("")));
265
 
266
  /* The y* arg must be [0 ... Inf] EXclusive.  */
267
  TESTIT (y0, -1.0);
268
  TESTIT (y0, 0.0);
269
  TESTIT (y0, -0.0);
270
 
271
  TESTIT (y1, -1.0);
272
  TESTIT (y1, 0.0);
273
  TESTIT (y1, -0.0);
274
 
275
  TESTIT2_I1 (yn, 2, -1.0);
276
  TESTIT2_I1 (yn, 2, 0.0);
277
  TESTIT2_I1 (yn, 2, -0.0);
278
 
279
  TESTIT2_I1 (yn, -3, -1.0);
280
  TESTIT2_I1 (yn, -3, 0.0);
281
  TESTIT2_I1 (yn, -3, -0.0);
282
 
283
  /* The second argument of remquo/remainder/drem must not be 0.  */
284
  TESTIT_REMQUO (1.0, 0.0);
285
  TESTIT_REMQUO (1.0, -0.0);
286
  TESTIT2 (remainder, 1.0, 0.0);
287
  TESTIT2 (remainder, 1.0, -0.0);
288
  TESTIT2 (drem, 1.0, 0.0);
289
  TESTIT2 (drem, 1.0, -0.0);
290
 
291
  /* The argument to lgamma* cannot be zero or a negative integer.  */
292
  TESTIT_REENT (lgamma, -4.0); /* lgamma_r */
293
  TESTIT_REENT (lgamma, -3.0); /* lgamma_r */
294
  TESTIT_REENT (lgamma, -2.0); /* lgamma_r */
295
  TESTIT_REENT (lgamma, -1.0); /* lgamma_r */
296
  TESTIT_REENT (lgamma, -0.0); /* lgamma_r */
297
  TESTIT_REENT (lgamma, 0.0); /* lgamma_r */
298
 
299
  TESTIT_REENT (gamma, -4.0); /* gamma_r */
300
  TESTIT_REENT (gamma, -3.0); /* gamma_r */
301
  TESTIT_REENT (gamma, -2.0); /* gamma_r */
302
  TESTIT_REENT (gamma, -1.0); /* gamma_r */
303
  TESTIT_REENT (gamma, -0.0); /* gamma_r */
304
  TESTIT_REENT (gamma, 0.0); /* gamma_r */
305
}
306
 
307
/* { dg-final { scan-tree-dump-times "exp2 " 9 "original" } } */
308
/* { dg-final { scan-tree-dump-times "exp2f" 9 "original" { target { ! { spu*-*-* } } } } } */
309
/* { dg-final { scan-tree-dump-times "exp2f" 6 "original" { target { spu*-*-* } } } } */
310
/* { dg-final { scan-tree-dump-times "exp2l" 9 "original" } } */
311
/* { dg-final { scan-tree-dump-times "asin " 2 "original" } } */
312
/* { dg-final { scan-tree-dump-times "asinf" 2 "original" } } */
313
/* { dg-final { scan-tree-dump-times "asinl" 2 "original" } } */
314
/* { dg-final { scan-tree-dump-times "acos " 2 "original" } } */
315
/* { dg-final { scan-tree-dump-times "acosf" 2 "original" } } */
316
/* { dg-final { scan-tree-dump-times "acosl" 2 "original" } } */
317
/* { dg-final { scan-tree-dump-times "acosh " 1 "original" } } */
318
/* { dg-final { scan-tree-dump-times "acoshf" 1 "original" } } */
319
/* { dg-final { scan-tree-dump-times "acoshl" 1 "original" } } */
320
/* { dg-final { scan-tree-dump-times "atanh " 2 "original" } } */
321
/* { dg-final { scan-tree-dump-times "atanhf" 2 "original" } } */
322
/* { dg-final { scan-tree-dump-times "atanhl" 2 "original" } } */
323
/* { dg-final { scan-tree-dump-times "log " 3 "original" } } */
324
/* { dg-final { scan-tree-dump-times "logf" 3 "original" } } */
325
/* { dg-final { scan-tree-dump-times "logl" 3 "original" } } */
326
/* { dg-final { scan-tree-dump-times "log2 " 3 "original" } } */
327
/* { dg-final { scan-tree-dump-times "log2f" 3 "original" } } */
328
/* { dg-final { scan-tree-dump-times "log2l" 3 "original" } } */
329
/* { dg-final { scan-tree-dump-times "log10 " 3 "original" } } */
330
/* { dg-final { scan-tree-dump-times "log10f" 3 "original" } } */
331
/* { dg-final { scan-tree-dump-times "log10l" 3 "original" } } */
332
/* { dg-final { scan-tree-dump-times "log1p " 2 "original" } } */
333
/* { dg-final { scan-tree-dump-times "log1pf" 2 "original" } } */
334
/* { dg-final { scan-tree-dump-times "log1pl" 2 "original" } } */
335
/* { dg-final { scan-tree-dump-times "tgamma " 5 "original" } } */
336
/* { dg-final { scan-tree-dump-times "tgammaf" 5 "original" } } */
337
/* { dg-final { scan-tree-dump-times "tgammal" 5 "original" } } */
338
/* { dg-final { scan-tree-dump-times "pow " 13 "original" } } */
339
/* { dg-final { scan-tree-dump-times "powf" 13 "original" { target { ! { spu*-*-* } } } } } */
340
/* { dg-final { scan-tree-dump-times "powf" 7 "original" { target { spu*-*-* } } } } */
341
/* { dg-final { scan-tree-dump-times "powl" 13 "original" } } */
342
/* { dg-final { scan-tree-dump-times "sqrt " 1 "original" } } */
343
/* { dg-final { scan-tree-dump-times "sqrtf" 1 "original" } } */
344
/* { dg-final { scan-tree-dump-times "sqrtl" 1 "original" } } */
345
/* { dg-final { scan-tree-dump-times "ldexp " 8 "original" } } */
346
/* { dg-final { scan-tree-dump-times "ldexpf" 8 "original" } } */
347
/* { dg-final { scan-tree-dump-times "ldexpl" 8 "original" } } */
348
/* { dg-final { scan-tree-dump-times "scalbn " 8 "original" } } */
349
/* { dg-final { scan-tree-dump-times "scalbnf" 8 "original" } } */
350
/* { dg-final { scan-tree-dump-times "scalbnl" 8 "original" } } */
351
/* { dg-final { scan-tree-dump-times "scalbln " 8 "original" } } */
352
/* { dg-final { scan-tree-dump-times "scalblnf" 8 "original" } } */
353
/* { dg-final { scan-tree-dump-times "scalblnl" 8 "original" } } */
354
/* { dg-final { scan-tree-dump-times "_logb " 2 "original" } } */
355
/* { dg-final { scan-tree-dump-times "_logbf" 2 "original" } } */
356
/* { dg-final { scan-tree-dump-times "_logbl" 2 "original" } } */
357
/* { dg-final { scan-tree-dump-times "ilogb " 6 "original" } } */
358
/* { dg-final { scan-tree-dump-times "ilogbf" 6 "original" { target { ! { spu*-*-* } } } } } */
359
/* { dg-final { scan-tree-dump-times "ilogbf" 2 "original" { target { spu*-*-* } } } } */
360
/* { dg-final { scan-tree-dump-times "ilogbl" 6 "original" } } */
361
/* { dg-final { scan-tree-dump-times "y0 " 3 "original" } } */
362
/* { dg-final { scan-tree-dump-times "y0f" 3 "original" } } */
363
/* { dg-final { scan-tree-dump-times "y0l" 3 "original" } } */
364
/* { dg-final { scan-tree-dump-times "y1 " 3 "original" } } */
365
/* { dg-final { scan-tree-dump-times "y1f" 3 "original" } } */
366
/* { dg-final { scan-tree-dump-times "y1l" 3 "original" } } */
367
/* { dg-final { scan-tree-dump-times "yn " 6 "original" } } */
368
/* { dg-final { scan-tree-dump-times "ynf" 6 "original" } } */
369
/* { dg-final { scan-tree-dump-times "ynl" 6 "original" } } */
370
/* { dg-final { scan-tree-dump-times "remquo " 2 "original" } } */
371
/* { dg-final { scan-tree-dump-times "remquof" 2 "original" } } */
372
/* { dg-final { scan-tree-dump-times "remquol" 2 "original" } } */
373
/* { dg-final { scan-tree-dump-times "remainder " 2 "original" } } */
374
/* { dg-final { scan-tree-dump-times "remainderf" 2 "original" } } */
375
/* { dg-final { scan-tree-dump-times "remainderl" 2 "original" } } */
376
/* { dg-final { scan-tree-dump-times "drem " 2 "original" } } */
377
/* { dg-final { scan-tree-dump-times "dremf" 2 "original" } } */
378
/* { dg-final { scan-tree-dump-times "dreml" 2 "original" } } */
379
/* { dg-final { scan-tree-dump-times "lgamma_r " 6 "original" } } */
380
/* { dg-final { scan-tree-dump-times "lgammaf_r" 6 "original" } } */
381
/* { dg-final { scan-tree-dump-times "lgammal_r" 6 "original" } } */
382
/* { dg-final { scan-tree-dump-times "_gamma_r " 6 "original" } } */
383
/* { dg-final { scan-tree-dump-times "_gammaf_r" 6 "original" } } */
384
/* { dg-final { scan-tree-dump-times "_gammal_r" 6 "original" } } */
385
/* { dg-final { cleanup-tree-dump "original" } } */

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