source: trunk/FACT++/src/HeadersFTM.h@ 11323

Last change on this file since 11323 was 11300, checked in by tbretz, 13 years ago
Replaced the operator= by a constructor in StaticData
File size: 21.9 KB
Line 
1#ifndef FACT_HeadersFTM
2#define FACT_HeadersFTM
3
4#include <ostream>
5
6// For debugging
7#include <iostream>
8
9#include "ByteOrder.h"
10
11// ====================================================================
12
13
14namespace FTM
15{
16 enum States
17 {
18 kFtmUndefined = 0,
19
20 // FTM internal states
21 kFtmIdle = 1, ///< Trigger output disabled, configuration possible
22 kFtmConfig = 2, ///< FTM and FTUs are being reconfigured
23 kFtmRunning = 3, ///< Trigger output enabled, configuration ignored
24 kFtmCalib = 4,
25 };
26
27 enum StateMachine
28 {
29 kDisconnected = 1, //ConnectionFTM::kDisconnected,
30 kConnected ,//= ConnectionFTM::kConnected,
31 kIdle ,//= ConnectionFTM::kIdle,
32 kTakingData ,//= ConnectionFTM::kTakingData,
33 kConfiguring1,
34 kConfiguring2,
35 kConfigured,
36
37 kConfigError1 = 0x101,
38 kConfigError2 = 0x102,
39
40 kCmdTest
41 };
42
43 /// Command codes for FTM communication
44 enum Commands
45 {
46 // First word
47 kCmdRead = 0x0001, ///< Request data
48 kCmdWrite = 0x0002, ///< Send data
49 kCmdStartRun = 0x0004, ///< Enable the trigger output
50 kCmdStopRun = 0x0008, ///< Disable the trigger output
51 kCmdPing = 0x0010, ///< Ping all FTUs (get FTU list)
52 kCmdCrateReset = 0x0020, ///< Reboot (no power cycle) all FTUs and FADs of one crate
53 kCmdDisableReports = 0x0040, ///< Disable transmission of rate-reports (dynamic data)
54 kCmdToggleLed = 0xc000,
55
56 // second word for read and write
57 kCmdStaticData = 0x0001, ///< Specifies that static (configuration) data is read/written
58 kCmdDynamicData = 0x0002, ///< Specifies that dynamic data is read/written
59 kCmdRegister = 0x0004, ///< Specifies that a register is read/written
60
61 // second word for StartRun
62 kStartRun = 0x0001, ///< ...until kCmdStopRun
63 kTakeNevents = 0x0002, ///< ...fixed number of events
64
65 // second word for kCmdCrateReset
66 kResetCrate0 = 0x0001,
67 kResetCrate1 = 0x0002,
68 kResetCrate2 = 0x0004,
69 kResetCrate3 = 0x0008,
70 };
71
72
73 /// Types sent in the header of the following data
74 enum Types
75 {
76 kHeader = 0, ///< Local extension to identify a header in fCounter
77 kStaticData = 1, ///< Static (configuration) data
78 kDynamicData = 2, ///< Dynamic data (rates)
79 kFtuList = 3, ///< FTU list (answer of ping)
80 kErrorList = 4, ///< Error list (error when FTU communication failed)
81 kRegister = 5, ///< A requested register value
82 };
83
84 // --------------------------------------------------------------------
85
86 enum Delimiter
87 {
88 kDelimiterStart = 0xfb01, ///< Start delimiter send before each header
89 kDelimiterEnd = 0x04fe ///< End delimiter send after each data block
90 };
91
92 struct Header
93 {
94 uint16_t fDelimiter; ///< Start delimiter
95 uint16_t fType; ///< Type of the data to be received after the header
96 uint16_t fDataSize; ///< Size in words to be received after the header (incl end delim.)
97 uint16_t fState; ///< State of the FTM central state machine
98 uint64_t fBoardId; ///< FPGA device DNA (unique chip id)
99 uint16_t fFirmwareId; ///< Version number
100 uint32_t fTriggerCounter; ///< FTM internal counter of all trigger decision independant of trigger-line enable/disable (reset: start/stop run)
101 uint64_t fTimeStamp; ///< Internal counter (micro-seconds, reset: start/stop run)
102
103 Header() { init(*this); }
104
105 std::vector<uint16_t> HtoN() const
106 {
107 Header h(*this);
108
109 Reverse(&h.fBoardId);
110 Reverse(&h.fTriggerCounter);
111 Reverse(&h.fTimeStamp);
112
113 return htoncpy(h);
114 }
115 void operator=(const std::vector<uint16_t> &vec)
116 {
117 ntohcpy(vec, *this);
118
119 Reverse(&fBoardId);
120 Reverse(&fTriggerCounter);
121 Reverse(&fTimeStamp);
122 }
123
124 void clear() { reset(*this); }
125 void print(std::ostream &out) const;
126
127 } __attribute__((__packed__));
128
129 struct DimPassport
130 {
131 uint64_t fBoardId;
132 uint16_t fFirmwareId;
133
134 DimPassport(const Header &h) :
135 fBoardId(h.fBoardId),
136 fFirmwareId(h.fFirmwareId)
137 {
138 }
139 } __attribute__((__packed__));
140
141 struct DimTriggerCounter
142 {
143 uint64_t fTimeStamp;
144 uint32_t fTriggerCounter;
145
146 DimTriggerCounter(const Header &h) :
147 fTimeStamp(h.fTimeStamp),
148 fTriggerCounter(h.fTriggerCounter)
149 {
150 }
151 } __attribute__((__packed__));
152
153
154 struct StaticDataBoard
155 {
156 uint16_t fEnable[4]; /// enable of 4x9 pixels coded as 4x9bits
157 uint16_t fDAC[5]; /// 0-3 (A-D) Threshold of patches, 4 (H) Threshold for N out of 4 (12 bit each)
158 uint16_t fPrescaling; /// Internal readout time of FTUs for trigger counter
159
160 StaticDataBoard() { init(*this); }
161
162 void print(std::ostream &out) const;
163
164 } __attribute__((__packed__));
165
166 struct StaticData
167 {
168 enum Limits
169 {
170 kMaxMultiplicity = 40, ///< Minimum required trigger multiplicity
171 kMaxWindow = 0xf, ///< (4ns * x + 8ns) At least N (multiplicity) rising edges (trigger signal) within this window
172 kMaxDeadTime = 0xffff, ///< (4ns * x + 8ns)
173 kMaxDelayTimeMarker = 0x3ff, ///< (4ns * x + 8ns)
174 kMaxDelayTrigger = 0x3ff, ///< (4ns * x + 8ns)
175 kMaxTriggerInterval = 0x3ff, ///<
176 kMaxSequence = 0x1f,
177 kMaxDAC = 0xfff,
178 kMaxAddr = 0xfff,
179 kMaxPatchIdx = 159,
180 kMaxPixelIdx = 1439,
181 kMaskSettings = 0xf,
182 kMaskLEDs = 0xf,
183 };
184
185 enum GeneralSettings
186 {
187 kTrigger = 0x80, ///< Physics trigger decision (PhysicTrigger)
188 kPedestal = 0x40, ///< Pedestal trigger (artifical)
189 kLPint = 0x20, ///< Enable artificial trigger after light pulse (LP2)
190 kLPext = 0x10, ///< Enable trigger decision after light pulse (CalibrationTrigger, LP1)
191 kExt2 = 0x08, ///< External trigger signal 2
192 kExt1 = 0x04, ///< External trigger signal 1
193 kVeto = 0x02, ///< Veto trigger decision / artifical triggers
194 kClockConditioner = 0x01, ///< Select clock conditioner frequency (1) / time marker (0) as output
195 };
196
197 uint16_t fGeneralSettings; // Enable for different trigger types / select for TIM/ClockConditioner output (only 8 bit used)
198 uint16_t fStatusLEDs; // only 8 bit used
199 uint16_t fTriggerInterval; // [ms] Interval between two artificial triggers (no matter which type) minimum 1ms, 10 bit
200 uint16_t fTriggerSequence; // Ratio between trigger types send as artificial trigger (in this order) 3x5bit
201 uint64_t fDummy0;
202 uint16_t fMultiplicityPhysics; /// Required trigger multiplicity for physcis triggers (0-40)
203 uint16_t fMultiplicityCalib; /// Required trigger multiplicity calibration (LPext) triggers (0-40)
204 uint16_t fDelayTrigger; /// (4ns * x + 8ns) FTM internal programmable delay between trigger decision and output
205 uint16_t fDelayTimeMarker; /// (4ns * x + 8ns) FTM internal programmable delay between trigger descision and time marker output
206 uint16_t fDeadTime; /// (4ns * x + 8ns) FTM internal programmable dead time after trigger decision
207 uint32_t fClockConditioner[8]; /// R0, R1, R8, R9, R11, R13, R14, R15
208 uint16_t fWindowPhysics; /// (4ns * x + 8ns) At least N (multiplicity) rising edges (trigger signal) within this window
209 uint16_t fWindowCalib; /// (4ns * x + 8ns) At least N (multiplicity) rising edges (trigger signal) within this window
210 uint16_t fDummy1;
211
212 StaticDataBoard fBoard[4][10]; // 4 crates * 10 boards (Crate0/FTU0 == readout time of FTUs)
213
214 uint16_t fActiveFTU[4]; // 4 crates * 10 bits (FTU enable)
215
216 StaticData() { init(*this); }
217 StaticData(const std::vector<uint16_t> &vec)
218 {
219 ntohcpy(vec, *this);
220
221 for (int i=0; i<8; i++)
222 Reverse(fClockConditioner+i);
223 }
224
225 std::vector<uint16_t> HtoN() const
226 {
227 StaticData d(*this);
228 for (int i=0; i<8; i++)
229 Reverse(d.fClockConditioner+i);
230
231 return htoncpy(d);
232 }
233
234 bool operator==(const StaticData &d) const
235 {
236 return memcmp(this, &d, sizeof(StaticData))==0;
237 }
238
239 void clear() { reset(*this); }
240 void print(std::ostream &out) const;
241
242 StaticDataBoard &operator[](int i) { return fBoard[i/10][i%10]; }
243 const StaticDataBoard &operator[](int i) const { return fBoard[i/10][i%10]; }
244
245 void EnableFTU(int i) { fActiveFTU[i/10] |= (1<<(i%10)); }
246 void DisableFTU(int i) { fActiveFTU[i/10] &= ~(1<<(i%10)); }
247
248 void EnableAllFTU() { for (int i=0; i<4; i++) fActiveFTU[i] = 0x3ff; }
249 void DisableAllFTU() { for (int i=0; i<4; i++) fActiveFTU[i] = 0; }
250
251 void ToggleFTU(int i) { fActiveFTU[i/10] ^= (1<<(i%10)); }
252
253 void Enable(GeneralSettings type, bool enable)
254 {
255 if (enable)
256 fGeneralSettings |= uint16_t(type);
257 else
258 fGeneralSettings &= ~uint16_t(type); }
259
260 bool IsEnabled(GeneralSettings type) const { return fGeneralSettings&uint16_t(type); }
261
262 void EnablePixel(int idx, bool enable)
263 {
264 const int pixel = idx%9;
265 const int patch = (idx/9)%4;
266 const int board = (idx/9)/4;
267
268 uint16_t &pix = fBoard[board/10][board%10].fEnable[patch];
269
270 if (enable)
271 pix |= (1<<pixel);
272 else
273 pix &= ~(1<<pixel);
274 }
275
276 bool Enabled(uint16_t idx) const
277 {
278 const int pixel = idx%9;
279 const int patch = (idx/9)%4;
280 const int board = (idx/9)/4;
281
282 return (fBoard[board/10][board%10].fEnable[patch]>>pixel)&1;
283 }
284
285 uint8_t GetSequencePed() const { return (fTriggerSequence>>10)&0x1f; }
286 uint8_t GetSequenceLPint() const { return (fTriggerSequence>> 5)&0x1f; }
287 uint8_t GetSequenceLPext() const { return (fTriggerSequence) &0x1f; }
288
289 } __attribute__((__packed__));
290
291 // DimStructures must be a multiple of two... I don't know why
292 struct DimStaticData
293 {
294 uint64_t fTimeStamp;
295 //8
296 uint16_t fGeneralSettings; // only 8 bit used
297 uint16_t fStatusLEDs; // only 8 bit used
298 uint64_t fActiveFTU; // 40 bits in row
299 //20
300 uint16_t fTriggerInterval; // only 10 bit used
301 //22
302 uint16_t fTriggerSeqLPint; // only 5bits used
303 uint16_t fTriggerSeqLPext; // only 5bits used
304 uint16_t fTriggerSeqPed; // only 5bits used
305 //28
306 uint16_t fMultiplicityPhysics; // 0-40
307 uint16_t fMultiplicityCalib; // 0-40
308 //32
309 uint16_t fWindowPhysics;
310 uint16_t fWindowCalib;
311 //36
312 uint16_t fDelayTrigger;
313 uint16_t fDelayTimeMarker;
314 uint32_t fDeadTime;
315 //44
316 uint32_t fClockConditioner[8];
317 //60
318 uint16_t fEnable[90]; // 160*9bit = 180byte
319 uint16_t fThreshold[160];
320 uint16_t fMultiplicity[40]; // N out of 4
321 uint16_t fPrescaling[40];
322 // 640+60 = 700
323
324 bool HasTrigger() const { return fGeneralSettings & StaticData::kTrigger; }
325 bool HasPedestal() const { return fGeneralSettings & StaticData::kPedestal; }
326 bool HasLPext() const { return fGeneralSettings & StaticData::kLPext; }
327 bool HasLPint() const { return fGeneralSettings & StaticData::kLPint; }
328 bool HasExt2() const { return fGeneralSettings & StaticData::kExt2; }
329 bool HasExt1() const { return fGeneralSettings & StaticData::kExt1; }
330 bool HasVeto() const { return fGeneralSettings & StaticData::kVeto; }
331 bool HasClockConditioner() const { return fGeneralSettings & StaticData::kClockConditioner; }
332
333 bool IsActive(int i) const { return fActiveFTU&(uint64_t(1)<<i); }
334 bool IsEnabled(int i) const { return fEnable[i/16]&(1<<(i%16)); }
335
336 DimStaticData() { memset(this, 0, sizeof(DimStaticData)); }
337
338 DimStaticData(const Header &h, const StaticData &d) :
339 fTimeStamp(h.fTimeStamp),
340 fGeneralSettings(d.fGeneralSettings),
341 fStatusLEDs(d.fStatusLEDs),
342 fActiveFTU( uint64_t(d.fActiveFTU[0]) |
343 (uint64_t(d.fActiveFTU[1])<<10) |
344 (uint64_t(d.fActiveFTU[2])<<20) |
345 (uint64_t(d.fActiveFTU[3])<<30)),
346 fTriggerInterval(d.fTriggerInterval),
347 fTriggerSeqLPint((d.fTriggerSequence>>5)&0x1f),
348 fTriggerSeqLPext((d.fTriggerSequence)&0x1f),
349 fTriggerSeqPed((d.fTriggerSequence>>10)&0x1f),
350 fMultiplicityPhysics(d.fMultiplicityPhysics),
351 fMultiplicityCalib(d.fMultiplicityCalib),
352 fWindowPhysics(d.fWindowPhysics*4+8),
353 fWindowCalib(d.fWindowCalib*4+8),
354 fDelayTrigger(d.fDelayTrigger*4+8),
355 fDelayTimeMarker(d.fDelayTimeMarker*4+8),
356 fDeadTime(uint32_t(d.fDeadTime)*4+8)
357 {
358 memcpy(fClockConditioner, d.fClockConditioner, sizeof(uint32_t)*8);
359
360 uint16_t src[160];
361 for (int i=0; i<40; i++)
362 {
363 for (int j=0; j<4; j++)
364 {
365 src[i*4+j] = d[i].fEnable[j];
366 fThreshold[i*4+j] = d[i].fDAC[j];
367 }
368
369 fMultiplicity[i] = d[i].fDAC[4];
370 fPrescaling[i] = d[i].fPrescaling+1;
371 }
372 bitcpy(fEnable, 90, src, 160, 9);
373 }
374
375 } __attribute__((__packed__));
376
377
378 struct DynamicDataBoard
379 {
380 uint32_t fRatePatch[4]; // Patch 0,1,2,3
381 uint32_t fRateTotal; // Sum
382
383 uint16_t fOverflow; // Patches: bits 0-3, total 4
384 uint16_t fCrcError;
385
386 void print(std::ostream &out) const;
387
388 void reverse()
389 {
390 for (int i=0; i<4; i++)
391 Reverse(fRatePatch+i);
392
393 Reverse(&fRateTotal);
394 }
395
396 uint32_t &operator[](int i) { return fRatePatch[i]; }
397
398 } __attribute__((__packed__));
399
400
401 struct DynamicData
402 {
403 uint64_t fOnTimeCounter;
404 uint16_t fTempSensor[4]; // U45, U46, U48, U49
405
406 DynamicDataBoard fBoard[4][10]; // 4 crates * 10 boards
407
408 DynamicData() { init(*this); }
409
410 std::vector<uint16_t> HtoN() const
411 {
412 DynamicData d(*this);
413
414 Reverse(&d.fOnTimeCounter);
415
416 for (int c=0; c<4; c++)
417 for (int b=0; b<10; b++)
418 d.fBoard[c][b].reverse();
419
420 return htoncpy(d);
421 }
422
423 void operator=(const std::vector<uint16_t> &vec)
424 {
425 ntohcpy(vec, *this);
426
427 Reverse(&fOnTimeCounter);
428
429 for (int c=0; c<4; c++)
430 for (int b=0; b<10; b++)
431 fBoard[c][b].reverse();
432 }
433
434 void clear() { reset(*this); }
435 void print(std::ostream &out) const;
436
437 DynamicDataBoard &operator[](int i) { return fBoard[i/10][i%10]; }
438 const DynamicDataBoard &operator[](int i) const { return fBoard[i/10][i%10]; }
439
440 } __attribute__((__packed__));
441
442
443 struct DimDynamicData
444 {
445 uint64_t fTimeStamp;
446
447 uint64_t fOnTimeCounter;
448 float fTempSensor[4];
449
450 uint32_t fRatePatch[160];
451
452 uint32_t fRateBoard[40];
453 uint16_t fRateOverflow[40];
454
455 uint16_t fCrcError[40];
456
457 DimDynamicData(const Header &h, const DynamicData &d) :
458 fTimeStamp(h.fTimeStamp),
459 fOnTimeCounter(d.fOnTimeCounter)
460 {
461 for (int i=0; i<4; i++)
462 fTempSensor[i] = d.fTempSensor[i];
463
464 for (int i=0; i<40; i++)
465 {
466 fRateBoard[i] = d[i].fRateTotal;
467 fRateOverflow[i] = d[i].fOverflow;
468 fCrcError[i] = d[i].fCrcError;
469 for (int j=0; j<4; j++)
470 fRatePatch[i*4+j] = d[i].fRatePatch[j];
471 }
472 }
473
474 } __attribute__((__packed__));
475
476
477 struct FtuResponse
478 {
479 uint16_t fPingAddr; // Number of Pings and addr (pings= see error)
480 uint64_t fDNA;
481 uint16_t fErrorCounter; //
482
483 void reverse() { Reverse(&fDNA); }
484
485 void print(std::ostream &out) const;
486
487 } __attribute__((__packed__));
488
489 struct FtuList
490 {
491 uint16_t fNumBoards; /// Total number of boards responded
492 uint16_t fNumBoardsCrate[4]; /// Num of board responded in crate 0-3
493 uint16_t fActiveFTU[4]; /// List of active FTU boards in crate 0-3
494
495 FtuResponse fFTU[4][10];
496
497 FtuList() { init(*this); }
498
499 std::vector<uint16_t> HtoN() const
500 {
501 FtuList d(*this);
502
503 for (int c=0; c<4; c++)
504 for (int b=0; b<10; b++)
505 d.fFTU[c][b].reverse();
506
507 return htoncpy(d);
508 }
509
510 void operator=(const std::vector<uint16_t> &vec)
511 {
512 ntohcpy(vec, *this);
513
514 for (int c=0; c<4; c++)
515 for (int b=0; b<10; b++)
516 fFTU[c][b].reverse();
517 }
518
519 void clear() { reset(*this); }
520 void print(std::ostream &out) const;
521
522 FtuResponse &operator[](int i) { return fFTU[i/10][i%10]; }
523 const FtuResponse &operator[](int i) const { return fFTU[i/10][i%10]; }
524
525 } __attribute__((__packed__));
526
527 struct DimFtuList
528 {
529 uint64_t fTimeStamp;
530 uint64_t fActiveFTU;
531
532 uint16_t fNumBoards; /// Number of boards answered in total
533 uint8_t fNumBoardsCrate[4]; /// Number of boards answered per crate
534
535 uint64_t fDNA[40]; /// DNA of FTU board
536 uint8_t fAddr[40]; /// Address of FTU board
537 uint8_t fPing[40]; /// Number of pings until response (same as in Error)
538
539 DimFtuList(const Header &h, const FtuList &d) :
540 fTimeStamp(h.fTimeStamp),
541 fActiveFTU( uint64_t(d.fActiveFTU[0]) |
542 (uint64_t(d.fActiveFTU[1])<<10) |
543 (uint64_t(d.fActiveFTU[2])<<20) |
544 (uint64_t(d.fActiveFTU[3])<<30)),
545 fNumBoards(d.fNumBoards)
546 {
547 for (int i=0; i<4; i++)
548 fNumBoardsCrate[i] = d.fNumBoardsCrate[i];
549
550 for (int i=0; i<40; i++)
551 {
552 fDNA[i] = d[i].fDNA;
553 fAddr[i] = d[i].fPingAddr&0x3f;
554 fPing[i] = (d[i].fPingAddr>>8)&0x3;
555 }
556 }
557
558 bool IsActive(int i) const { return fActiveFTU&(uint64_t(1)<<i); }
559
560 } __attribute__((__packed__));
561
562
563 struct Error
564 {
565 uint16_t fNumCalls; // 0=error, >1 needed repetition but successfull
566
567 uint16_t fDelimiter;
568 uint16_t fDestAddress;
569 uint16_t fSrcAddress;
570 uint16_t fFirmwareId;
571 uint16_t fCommand;
572 uint16_t fData[21];
573 uint16_t fCrcErrorCounter;
574 uint16_t fCrcCheckSum;
575
576 Error() { init(*this); }
577
578 std::vector<uint16_t> HtoN() const
579 {
580 return htoncpy(*this);
581 }
582
583 void operator=(const std::vector<uint16_t> &vec) { ntohcpy(vec, *this); }
584
585 void clear() { reset(*this); }
586
587 uint16_t &operator[](int idx) { return fData[idx]; }
588 const uint16_t &operator[](int idx) const { return fData[idx]; }
589
590 void print(std::ostream &out) const;
591
592 } __attribute__((__packed__));
593
594 struct DimError
595 {
596 uint64_t fTimeStamp;
597 Error fError;
598
599 DimError(const Header &h, const Error &e) :
600 fTimeStamp(h.fTimeStamp),
601 fError(e)
602 {
603 fError.fDestAddress = (e.fDestAddress&0x3)*10 + ((e.fDestAddress>>2)&0xf);
604 fError.fSrcAddress = (e.fSrcAddress &0x3)*10 + ((e.fSrcAddress >>2)&0xf);
605 }
606
607 } __attribute__((__packed__));
608
609 /*
610 struct Command
611 {
612 uint16_t fStartDelimiter;
613 uint16_t fCommand;
614 uint16_t fParam[3];
615
616 Command() { init(*this); }
617
618 void HtoN() { hton(*this); }
619 void NtoH() { ntoh(*this); }
620
621 void operator=(const std::vector<uint16_t> &vec) { ntohcpy(vec, *this); }
622
623 void clear() { reset(*this); }
624
625
626 } __attribute__((__packed__));
627 */
628
629 // --------------------------------------------------------------------
630
631 inline std::ostream &operator<<(std::ostream &out, const FtuResponse &h)
632 {
633 h.print(out);
634 return out;
635 }
636
637 inline std::ostream &operator<<(std::ostream &out, const Header &h)
638 {
639 h.print(out);
640 return out;
641 }
642
643
644 inline std::ostream &operator<<(std::ostream &out, const FtuList &h)
645 {
646 h.print(out);
647 return out;
648 }
649
650 inline std::ostream &operator<<(std::ostream &out, const DynamicDataBoard &h)
651 {
652 h.print(out);
653 return out;
654 }
655
656 inline std::ostream &operator<<(std::ostream &out, const DynamicData &h)
657 {
658 h.print(out);
659 return out;
660 }
661
662 inline std::ostream &operator<<(std::ostream &out, const StaticDataBoard &h)
663 {
664 h.print(out);
665 return out;
666 }
667
668 inline std::ostream &operator<<(std::ostream &out, const StaticData &h)
669 {
670 h.print(out);
671 return out;
672 }
673
674 inline std::ostream &operator<<(std::ostream &out, const Error &h)
675 {
676 h.print(out);
677 return out;
678 }
679};
680
681#endif
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