1
SUBROUTINE ML5_0_SLOOPMATRIXHEL(P,HEL,ANS)
7
PARAMETER (NEXTERNAL=5)
9
INCLUDE 'nsquaredSO.inc'
14
REAL*8 P(0:3,NEXTERNAL)
15
REAL*8 ANS(0:3,0:NSQUAREDSO)
17
COMMON/ML5_0_USERCHOICE/USERHEL
22
CALL ML5_0_SLOOPMATRIX(P,ANS)
25
LOGICAL FUNCTION ML5_0_IS_HEL_SELECTED(HELID)
31
PARAMETER (NEXTERNAL=5)
46
INTEGER HELC(NEXTERNAL,NCOMB)
47
COMMON/ML5_0_HELCONFIGS/HELC
49
INTEGER POLARIZATIONS(0:NEXTERNAL,0:5)
50
COMMON/ML5_0_BEAM_POL/POLARIZATIONS
55
ML5_0_IS_HEL_SELECTED = .TRUE.
56
IF (POLARIZATIONS(0,0).EQ.-1) THEN
61
IF (POLARIZATIONS(I,0).EQ.-1) THEN
65
DO J=1,POLARIZATIONS(I,0)
66
IF (HELC(I,HELID).EQ.POLARIZATIONS(I,J)) THEN
72
ML5_0_IS_HEL_SELECTED = .FALSE.
80
LOGICAL FUNCTION ML5_0_ISZERO(TOTEST, REFERENCE_VALUE, AMPLN)
86
PARAMETER (NLOOPAMPS=39)
90
REAL*8 TOTEST, REFERENCE_VALUE
95
INCLUDE 'MadLoopParams.inc'
97
COMPLEX*16 AMPL(3,NLOOPAMPS)
99
COMMON/ML5_0_AMPL/AMPL,S
103
IF(ABS(REFERENCE_VALUE).EQ.0.0D0) THEN
105
WRITE(*,*) '##E02 ERRROR Reference value for comparison is'
109
ML5_0_ISZERO=((ABS(TOTEST)/ABS(REFERENCE_VALUE)).LT.ZEROTHRES)
112
IF((.NOT.ML5_0_ISZERO).AND.(.NOT.S(AMPLN))) THEN
113
WRITE(*,*) '##W01 WARNING Contribution ',AMPLN,' is detected'
114
$ //' as contributing with CR=',(ABS(TOTEST)
115
$ /ABS(REFERENCE_VALUE)),' but is unstable.'
121
SUBROUTINE ML5_0_SLOOPMATRIX(P_USER,ANSRETURNED)
123
C Generated by MadGraph5_aMC@NLO v. %(version)s, %(date)s
124
C By the MadGraph5_aMC@NLO Development Team
125
C Visit launchpad.net/madgraph5 and amcatnlo.web.cern.ch
127
C Returns amplitude squared summed/avg over colors
128
C and helicities for the point in phase space P(0:3,NEXTERNAL)
129
C and external lines W(0:6,NEXTERNAL)
131
C Process: d u~ > m- vm~ g QCD<=1 QED<=2 [ virt = QCD ]
137
CHARACTER*512 PARAMFNAME,HELCONFIGFNAME,LOOPFILTERFNAME
138
CHARACTER*512 COLORNUMFNAME,COLORDENOMFNAME, HELFILTERFNAME
139
CHARACTER*512 PROC_PREFIX
140
PARAMETER ( PARAMFNAME='MadLoopParams.dat')
141
PARAMETER ( HELCONFIGFNAME='HelConfigs.dat')
142
PARAMETER ( LOOPFILTERFNAME='LoopFilter.dat')
143
PARAMETER ( HELFILTERFNAME='HelFilter.dat')
144
PARAMETER ( COLORNUMFNAME='ColorNumFactors.dat')
145
PARAMETER ( COLORDENOMFNAME='ColorDenomFactors.dat')
146
PARAMETER ( PROC_PREFIX='ML5_0_')
149
PARAMETER (NBORNAMPS=2)
150
INTEGER NLOOPAMPS, NCTAMPS
151
PARAMETER (NLOOPAMPS=39, NCTAMPS=28)
153
PARAMETER (NEXTERNAL=5)
155
PARAMETER (NINITIAL=2)
157
PARAMETER (NWAVEFUNCS=10)
163
PARAMETER (MP__ZERO=0E0_16)
165
PARAMETER (IMAG1=(0D0,1D0))
166
C This parameter is designed for the check timing command of MG5
168
PARAMETER (SKIPLOOPEVAL=.FALSE.)
170
PARAMETER (BOOTANDSTOP=.FALSE.)
171
INCLUDE 'nsquaredSO.inc'
173
PARAMETER (NSQUAREDSOP1=NSQUAREDSO+1)
174
INTEGER MAXSTABILITYLENGTH
175
DATA MAXSTABILITYLENGTH/20/
176
COMMON/ML5_0_STABILITY_TESTS/MAXSTABILITYLENGTH
180
REAL*8 P_USER(0:3,NEXTERNAL)
181
REAL*8 ANSRETURNED(0:3,0:NSQUAREDSO)
188
CHARACTER*512 PARAMFN,HELCONFIGFN,LOOPFILTERFN,COLORNUMFN
189
$ ,COLORDENOMFN,HELFILTERFN
198
INTEGER HELPICKED_BU, CTMODEINIT_BU
199
REAL*8 MLSTABTHRES_BU
200
C P is the actual PS POINT used for the computation, and can be
201
C rotated for the stability test purposes.
202
REAL*8 P(0:3,NEXTERNAL)
203
C DP_RES STORES THE DOUBLE PRECISION RESULT OBTAINED FROM
204
C DIFFERENT EVALUATION METHODS IN ORDER TO ASSESS STABILITY.
205
C THE STAB_STAGE COUNTER I CORRESPONDANCE GOES AS FOLLOWS
206
C I=1 -> ORIGINAL PS, CTMODE=1
207
C I=2 -> ORIGINAL PS, CTMODE=2, (ONLY WITH CTMODERUN=-1)
208
C I=3 -> PS WITH ROTATION 1, CTMODE=1, (ONLY WITH CTMODERUN=-2)
209
C I=4 -> PS WITH ROTATION 2, CTMODE=1, (ONLY WITH CTMODERUN=-3)
210
C I=5 -> POSSIBLY MORE EVALUATION METHODS IN THE FUTURE, MAX IS
212
C IF UNSTABLE IT GOES TO THE SAME PATTERN BUT STAB_INDEX IS THEN
214
LOGICAL EVAL_DONE(MAXSTABILITYLENGTH)
215
LOGICAL DOING_QP_EVALS
216
INTEGER STAB_INDEX,BASIC_CT_MODE
217
INTEGER N_DP_EVAL, N_QP_EVAL
220
C This is used for loop-induced where the reference scale for
221
C comparisons is infered from
222
C the previous points
227
LOGICAL FOUND_VALID_REDUCTION_METHOD
228
DATA FOUND_VALID_REDUCTION_METHOD/.FALSE./
231
REAL*8 DP_RES(3,MAXSTABILITYLENGTH)
232
C QP_RES STORES THE QUADRUPLE PRECISION RESULT OBTAINED FROM
233
C DIFFERENT EVALUATION METHODS IN ORDER TO ASSESS STABILITY.
234
REAL*8 QP_RES(3,MAXSTABILITYLENGTH)
235
INTEGER NHEL(NEXTERNAL), IC(NEXTERNAL)
239
REAL*8 BUFFR(3),TEMP(3),TEMP1,TEMP2
241
LOGICAL FOUNDHELFILTER,FOUNDLOOPFILTER
242
DATA FOUNDHELFILTER/.TRUE./
243
DATA FOUNDLOOPFILTER/.TRUE./
248
C For a 1>N process, them BEAMTWO_HELAVGFACTOR would be set to 1.
249
INTEGER BEAMS_HELAVGFACTOR(2)
250
DATA (BEAMS_HELAVGFACTOR(I),I=1,2)/2,2/
251
LOGICAL DONEHELDOUBLECHECK
252
DATA DONEHELDOUBLECHECK/.FALSE./
255
C Below are variables to bypass the checkphase and insure
256
C stability check to take place
257
LOGICAL OLD_CHECKPHASE, OLD_HELDOUBLECHECKED
258
LOGICAL OLD_GOODHEL(NCOMB)
259
LOGICAL OLD_GOODAMP(NLOOPAMPS,NCOMB)
261
LOGICAL BYPASS_CHECK, ALWAYS_TEST_STABILITY
262
COMMON/ML5_0_BYPASS_CHECK/BYPASS_CHECK, ALWAYS_TEST_STABILITY
267
LOGICAL ML5_0_IS_HEL_SELECTED
271
INCLUDE 'process_info.inc'
273
INCLUDE 'mp_coupl.inc'
274
INCLUDE 'MadLoopParams.inc'
279
DATA CHECKPHASE/.TRUE./
280
LOGICAL HELDOUBLECHECKED
281
DATA HELDOUBLECHECKED/.FALSE./
284
COMMON/ML5_0_INIT/NTRY,CHECKPHASE,HELDOUBLECHECKED,REF
286
C THE LOGICAL BELOWS ARE JUST TO KEEP TRACK OF WHETHER THE MP_PS
287
C HAS BEEN SET YET OR NOT AND WHETER THE MP EXTERNAL WFS HAVE
290
DATA MP_DONE/.FALSE./
291
COMMON/ML5_0_MP_DONE/MP_DONE
293
DATA MP_PS_SET/.FALSE./
294
COMMON/ML5_0_MP_PS_SET/MP_PS_SET
296
C PS CAN POSSIBILY BE PASSED THROUGH IMPROVE_PS BUT IS NOT
297
C MODIFIED FOR THE PURPOSE OF THE STABILITY TEST
298
C EVEN THOUGH THEY ARE PUT IN COMMON BLOCK, FOR NOW THEY ARE NOT
300
REAL*8 PS(0:3,NEXTERNAL)
301
COMMON/ML5_0_PSPOINT/PS
302
C AGAIN BELOW, MP_PS IS THE FIXED (POSSIBLY IMPROVED) MP PS POINT
303
C AND MP_P IS THE ONE WHICH CAN BE MODIFIED (I.E. ROTATED ETC.)
304
C FOR STABILITY PURPOSE
305
C EVEN THOUGH THEY ARE PUT IN COMMON BLOCK, FOR NOW THEY ARE NOT
306
C USED ANYWHERE ELSE THAN HERE AND SET_MP_PS()
307
REAL*16 MP_PS(0:3,NEXTERNAL),MP_P(0:3,NEXTERNAL)
308
COMMON/ML5_0_MP_PSPOINT/MP_PS,MP_P
312
COMMON/ML5_0_CT/LSCALE,CTMODE
314
LOGICAL GOODHEL(NCOMB)
315
LOGICAL GOODAMP(NLOOPAMPS,NCOMB)
316
COMMON/ML5_0_FILTERS/GOODAMP,GOODHEL
320
COMMON/ML5_0_HELCHOICE/HELPICKED
323
COMMON/ML5_0_USERCHOICE/USERHEL
325
COMPLEX*16 AMP(NBORNAMPS,NCOMB)
326
COMMON/ML5_0_AMPS/AMP
327
COMPLEX*16 W(20,NWAVEFUNCS,NCOMB)
330
COMMON/ML5_0_VALIDH/VALIDH
332
COMPLEX*16 AMPL(3,NLOOPAMPS)
334
COMMON/ML5_0_AMPL/AMPL,S
336
INTEGER CF_D(NLOOPAMPS,NBORNAMPS)
337
INTEGER CF_N(NLOOPAMPS,NBORNAMPS)
338
COMMON/ML5_0_CF/CF_D,CF_N
340
INTEGER HELC(NEXTERNAL,NCOMB)
341
COMMON/ML5_0_HELCONFIGS/HELC
343
REAL*8 PREC,USER_STAB_PREC
344
DATA USER_STAB_PREC/-1.0D0/
345
COMMON/ML5_0_USER_STAB_PREC/USER_STAB_PREC
347
C Return codes H,T,U correspond to the hundreds, tens and units
348
C building returncode, i.e.
349
C RETURNCODE=100*RET_CODE_H+10*RET_CODE_T+RET_CODE_U
351
INTEGER RET_CODE_H,RET_CODE_T,RET_CODE_U
352
REAL*8 ACCURACY(0:NSQUAREDSO)
353
DATA (ACCURACY(I),I=0,NSQUAREDSO)/NSQUAREDSOP1*1.0D0/
354
DATA RET_CODE_H,RET_CODE_T,RET_CODE_U/1,1,0/
355
COMMON/ML5_0_ACC/ACCURACY,RET_CODE_H,RET_CODE_T,RET_CODE_U
357
C Allows to forbid the zero helicity double check, no matter the
358
C value in MadLoopParams.dat
359
C This can be accessed with the SET_FORBID_HEL_DOUBLECHECK
360
C subroutine of MadLoopCommons.dat
361
LOGICAL FORBID_HEL_DOUBLECHECK
362
COMMON/FORBID_HEL_DOUBLECHECK/FORBID_HEL_DOUBLECHECK
365
DATA MP_DONE_ONCE/.FALSE./
366
COMMON/ML5_0_MP_DONE_ONCE/MP_DONE_ONCE
368
CHARACTER(512) MLPATH
372
COMMON/ML_INIT/ML_INIT
374
C This variable controls the *local* initialization of this
375
C particular SubProcess.
376
C For example, the reading of the filters must be done
377
C independently by each SubProcess.
378
LOGICAL LOCAL_ML_INIT
379
DATA LOCAL_ML_INIT/.TRUE./
381
C Variables related to turning off the Lorentz rotation test when
382
C spin-2 particles are external
383
LOGICAL WARNED_LORENTZ_STAB_TEST_OFF
384
DATA WARNED_LORENTZ_STAB_TEST_OFF/.FALSE./
385
INTEGER NROTATIONS_DP_BU,NROTATIONS_QP_BU
387
C This array specify potential special requirements on the
389
C consider. POLARIZATIONS(0,0) is -1 if there is not such
391
INTEGER POLARIZATIONS(0:NEXTERNAL,0:5)
392
COMMON/ML5_0_BEAM_POL/POLARIZATIONS
399
CALL PRINT_MADLOOP_BANNER()
401
CALL SETMADLOOPPATH(TMP)
402
CALL JOINPATH(MLPATH,PARAMFNAME,PARAMFN)
403
CALL MADLOOPPARAMREADER(PARAMFN,.TRUE.)
404
IF (FORBID_HEL_DOUBLECHECK) THEN
405
DOUBLECHECKHELICITYFILTER = .FALSE.
408
C For now only CutTools is interfaced in the default mode.
409
C Samurai could follow.
410
DO I=1,SIZE(MLREDUCTIONLIB)
411
IF (MLREDUCTIONLIB(I).EQ.1) THEN
412
FOUND_VALID_REDUCTION_METHOD = .TRUE.
415
IF (.NOT.FOUND_VALID_REDUCTION_METHOD) THEN
416
WRITE(*,*) 'ERROR:: For now, only CutTools is interfaced to'
417
$ //' MadLoop in the non-optimized output.'
418
WRITE(*,*) 'ERROR:: Make sure to include 1 in the parameter'
419
$ //' MLReductionLib of the card MadLoopParams.dat'
423
IF (LOCAL_ML_INIT) THEN
424
C Setup the file paths
425
CALL JOINPATH(MLPATH,PARAMFNAME,PARAMFN)
426
CALL JOINPATH(MLPATH,PROC_PREFIX,TMP)
427
CALL JOINPATH(TMP,HELCONFIGFNAME,HELCONFIGFN)
428
CALL JOINPATH(TMP,LOOPFILTERFNAME,LOOPFILTERFN)
429
CALL JOINPATH(TMP,COLORNUMFNAME,COLORNUMFN)
430
CALL JOINPATH(TMP,COLORDENOMFNAME,COLORDENOMFN)
431
CALL JOINPATH(TMP,HELFILTERFNAME,HELFILTERFN)
433
C Make sure that the loop filter is disabled when there is
434
C spin-2 particles for 2>1 or 1>2 processes
435
IF(MAX_SPIN_EXTERNAL_PARTICLE.GT.3.AND.(NEXTERNAL.LE.3.AND.HELI
436
$CITYFILTERLEVEL.NE.0)) THEN
437
WRITE(*,*) '##INFO: Helicity filter deactivated for 2>1'
438
$ //' processes involving spin 2 particles.'
439
HELICITYFILTERLEVEL = 0
440
C We write a dummy filter for structural reasons here
441
OPEN(1, FILE=HELFILTERFN, ERR=6116, STATUS='NEW'
450
OPEN(1, FILE=COLORNUMFN, ERR=104, STATUS='OLD',
453
READ(1,*,END=105) (CF_N(I,J),J=1,NBORNAMPS)
457
STOP 'Color factors could not be initialized from file'
458
$ //' ML5_0_ColorNumFactors.dat. File not found'
461
OPEN(1, FILE=COLORDENOMFN, ERR=106, STATUS='OLD',
464
READ(1,*,END=107) (CF_D(I,J),J=1,NBORNAMPS)
468
STOP 'Color factors could not be initialized from file'
469
$ //' ML5_0_ColorDenomFactors.dat. File not found'
472
OPEN(1, FILE=HELCONFIGFN, ERR=108, STATUS='OLD',
475
READ(1,*,END=109) (HELC(I,H),I=1,NEXTERNAL)
479
STOP 'Color helictiy configurations could not be initialized'
480
$ //' from file ML5_0_HelConfigs.dat. File not found'
484
WRITE(*,*) '##Stopped by user request.'
487
LOCAL_ML_INIT = .FALSE.
490
C Make sure that lorentz rotation tests are not used if there is
491
C external loop wavefunction of spin 2 and that one specific
493
NROTATIONS_DP_BU = NROTATIONS_DP
494
NROTATIONS_QP_BU = NROTATIONS_QP
495
IF(MAX_SPIN_EXTERNAL_PARTICLE.GT.3.AND.USERHEL.NE.-1) THEN
496
IF(.NOT.WARNED_LORENTZ_STAB_TEST_OFF) THEN
497
WRITE(*,*) '##WARNING: Evaluation of a specific helicity was'
498
$ //' asked for this PS point, and there is a spin-2 (or'
499
$ //' higher) particle in the external states.'
500
WRITE(*,*) '##WARNING: As a result, MadLoop disabled the'
501
$ //' Lorentz rotation test for this phase-space point only.'
502
WRITE(*,*) '##WARNING: Further warning of that type'
504
WARNED_LORENTZ_STAB_TEST_OFF = .FALSE.
511
CALL ML5_0_SET_N_EVALS(N_DP_EVAL,N_QP_EVAL)
512
HELDOUBLECHECKED=(.NOT.DOUBLECHECKHELICITYFILTER)
513
$ .OR.(HELICITYFILTERLEVEL.EQ.0)
519
OPEN(1, FILE=LOOPFILTERFN, ERR=100, STATUS='OLD',
522
READ(1,*,END=101) (GOODAMP(I,J),I=NCTAMPS+1,NLOOPAMPS)
526
FOUNDLOOPFILTER=.FALSE.
528
DO I=NCTAMPS+1,NLOOPAMPS
529
GOODAMP(I,J)=(.NOT.USELOOPFILTER)
534
IF (HELICITYFILTERLEVEL.EQ.0) THEN
535
FOUNDHELFILTER=.TRUE.
541
OPEN(1, FILE=HELFILTERFN, ERR=102, STATUS='OLD',
543
READ(1,*,END=103) (GOODHEL(I),I=1,NCOMB)
546
FOUNDHELFILTER=.FALSE.
559
DOING_QP_EVALS=.FALSE.
561
DO I=2,MAXSTABILITYLENGTH
565
C Compute the born, for a specific helicity if asked so.
566
CALL ML5_0_SMATRIXHEL(P_USER,USERHEL,ANS(0))
569
IF (USER_STAB_PREC.GT.0.0D0) THEN
570
MLSTABTHRES_BU=MLSTABTHRES
571
MLSTABTHRES=USER_STAB_PREC
572
C In the initialization, I cannot perform stability test and
573
C therefore guarantee any precision
574
CTMODEINIT_BU=CTMODEINIT
575
C So either one choses quad precision directly
577
C Or, because this is very slow, we keep the orignal value. The
578
C accuracy returned is -1 and tells the MC that he should not
579
C trust the evaluation for checks.
580
CTMODEINIT=CTMODEINIT_BU
583
IF(.NOT.BYPASS_CHECK) THEN
587
IF(DONEHELDOUBLECHECK.AND.(.NOT.HELDOUBLECHECKED)) THEN
588
HELDOUBLECHECKED=.TRUE.
589
DONEHELDOUBLECHECK=.FALSE.
592
CHECKPHASE=(NTRY.LE.CHECKCYCLE).AND.(((.NOT.FOUNDLOOPFILTER)
593
$ .AND.USELOOPFILTER).OR.(.NOT.FOUNDHELFILTER))
595
IF (WRITEOUTFILTERS) THEN
596
IF ((.NOT. CHECKPHASE).AND.(.NOT.FOUNDHELFILTER)) THEN
597
OPEN(1, FILE=HELFILTERFN, ERR=110, STATUS='NEW'
599
WRITE(1,*) (GOODHEL(I),I=1,NCOMB)
602
FOUNDHELFILTER=.TRUE.
605
IF ((.NOT. CHECKPHASE).AND.(.NOT.FOUNDLOOPFILTER)
606
$ .AND.USELOOPFILTER) THEN
607
OPEN(1, FILE=LOOPFILTERFN, ERR=111, STATUS='NEW'
610
WRITE(1,*) (GOODAMP(I,J),I=NCTAMPS+1,NLOOPAMPS)
614
FOUNDLOOPFILTER=.TRUE.
618
IF (BYPASS_CHECK) THEN
619
OLD_CHECKPHASE = CHECKPHASE
620
OLD_HELDOUBLECHECKED = HELDOUBLECHECKED
622
HELDOUBLECHECKED = .TRUE.
624
OLD_GOODHEL(I)=GOODHEL(I)
629
OLD_GOODAMP(J,I)=GOODAMP(J,I)
630
GOODAMP(J,I) = .TRUE.
635
IF(CHECKPHASE.OR.(.NOT.HELDOUBLECHECKED)) THEN
639
IF (USERHEL.NE.-1) THEN
640
IF(.NOT.GOODHEL(USERHEL)) THEN
648
IF (CTMODERUN.GT.-1) THEN
661
IF (IMPROVEPSPOINT.GE.0) THEN
662
C Make the input PS more precise (exact onshell and
663
C energy-momentum conservation)
664
CALL ML5_0_IMPROVE_PS_POINT_PRECISION(PS)
676
AMPL(K,I)=(0.0D0,0.0D0)
680
LSCALE=DSQRT(ABS((P(0,1)+P(0,2))**2-(P(1,1)+P(1,2))**2-(P(2,1)
681
$ +P(2,2))**2-(P(3,1)+P(3,2))**2))
683
C We chose to use the born evaluation for the reference
684
CALL ML5_0_SMATRIX(P,REF)
688
IF (CTMODE.EQ.0.OR.CTMODE.GE.4) THEN
689
CALL MP_UPDATE_AS_PARAM()
692
IF (.NOT.MP_PS_SET.AND.(CTMODE.EQ.0.OR.CTMODE.GE.4)) THEN
693
CALL ML5_0_SET_MP_PS(P_USER)
703
IF ((HELPICKED.EQ.H).OR.((HELPICKED.EQ.-1).AND.(CHECKPHASE.OR.(
704
$.NOT.HELDOUBLECHECKED).OR.GOODHEL(H)))) THEN
706
C Handle the possible requirement of specific polarizations
707
IF ((.NOT.CHECKPHASE).AND.HELDOUBLECHECKED.AND.POLARIZATIONS(
708
$0,0).EQ.0.AND.(.NOT.ML5_0_IS_HEL_SELECTED(H))) THEN
712
IF (VALIDH.EQ.-1) VALIDH=H
716
C Check if we are in multiple precision and compute wfs and
717
C amps accordingly if needed
718
IF (CTMODE.GE.4) THEN
719
C Force that only current helicity is used in the routine
721
C This should always be done, even if MP_DONE is True
722
C because the AMPL of the R2 MUST be recomputed for loop
724
C (because they are not saved for each hel configuration)
725
C (This is not optimal unlike what is done int the loop
727
HELPICKED_BU = HELPICKED
729
CALL ML5_0_MP_BORN_AMPS_AND_WFS(MP_P)
730
HELPICKED = HELPICKED_BU
733
CALL IXXXXX(P(0,1),ZERO,NHEL(1),+1*IC(1),W(1,1,H))
734
CALL OXXXXX(P(0,2),ZERO,NHEL(2),-1*IC(2),W(1,2,H))
735
CALL OXXXXX(P(0,3),ZERO,NHEL(3),+1*IC(3),W(1,3,H))
736
CALL IXXXXX(P(0,4),ZERO,NHEL(4),-1*IC(4),W(1,4,H))
737
CALL VXXXXX(P(0,5),ZERO,NHEL(5),+1*IC(5),W(1,5,H))
738
CALL FFV1_2(W(1,1,H),W(1,5,H),GC_5,ZERO,ZERO,W(1,6,H))
739
CALL FFV2_3(W(1,4,H),W(1,3,H),GC_47,MDL_MW,MDL_WW,W(1,7,H))
740
C Amplitude(s) for born diagram with ID 1
741
CALL FFV2_0(W(1,6,H),W(1,2,H),W(1,7,H),GC_47,AMP(1,H))
742
CALL FFV1_1(W(1,2,H),W(1,5,H),GC_5,ZERO,ZERO,W(1,8,H))
743
C Amplitude(s) for born diagram with ID 2
744
CALL FFV2_0(W(1,1,H),W(1,8,H),W(1,7,H),GC_47,AMP(2,H))
745
CALL FFV2_1(W(1,2,H),W(1,7,H),GC_47,ZERO,ZERO,W(1,9,H))
746
C Counter-term amplitude(s) for loop diagram number 3
747
CALL R2_QQ_1_0(W(1,6,H),W(1,9,H),R2_QQQ,AMPL(1,1))
748
C Counter-term amplitude(s) for loop diagram number 4
749
CALL FFV2_0(W(1,6,H),W(1,2,H),W(1,7,H),R2_SXCW,AMPL(1,2))
750
C Counter-term amplitude(s) for loop diagram number 5
751
CALL FFV2_0(W(1,1,H),W(1,8,H),W(1,7,H),R2_SXCW,AMPL(1,3))
752
C Counter-term amplitude(s) for loop diagram number 7
753
CALL FFV1_0(W(1,1,H),W(1,9,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2,4)
755
CALL FFV1_0(W(1,1,H),W(1,9,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2,5)
757
CALL FFV1_0(W(1,1,H),W(1,9,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2,6)
759
CALL FFV1_0(W(1,1,H),W(1,9,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2,7)
761
CALL FFV1_0(W(1,1,H),W(1,9,H),W(1,5,H),UV_GQQB,AMPL(1,8))
762
CALL FFV1_0(W(1,1,H),W(1,9,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2,9)
764
CALL FFV1_0(W(1,1,H),W(1,9,H),W(1,5,H),UV_GQQT,AMPL(1,10))
765
CALL FFV1_0(W(1,1,H),W(1,9,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2
767
CALL FFV1_0(W(1,1,H),W(1,9,H),W(1,5,H),UV_GQQG_1EPS,AMPL(2
769
CALL FFV1_0(W(1,1,H),W(1,9,H),W(1,5,H),R2_GQQ,AMPL(1,13))
770
CALL FFV2_2(W(1,1,H),W(1,7,H),GC_47,ZERO,ZERO,W(1,10,H))
771
C Counter-term amplitude(s) for loop diagram number 11
772
CALL R2_QQ_1_0(W(1,10,H),W(1,8,H),R2_QQQ,AMPL(1,14))
773
C Counter-term amplitude(s) for loop diagram number 12
774
CALL FFV1_0(W(1,10,H),W(1,2,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2
776
CALL FFV1_0(W(1,10,H),W(1,2,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2
778
CALL FFV1_0(W(1,10,H),W(1,2,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2
780
CALL FFV1_0(W(1,10,H),W(1,2,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2
782
CALL FFV1_0(W(1,10,H),W(1,2,H),W(1,5,H),UV_GQQB,AMPL(1,19))
783
CALL FFV1_0(W(1,10,H),W(1,2,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2
785
CALL FFV1_0(W(1,10,H),W(1,2,H),W(1,5,H),UV_GQQT,AMPL(1,21))
786
CALL FFV1_0(W(1,10,H),W(1,2,H),W(1,5,H),UV_GQQQ_1EPS,AMPL(2
788
CALL FFV1_0(W(1,10,H),W(1,2,H),W(1,5,H),UV_GQQG_1EPS,AMPL(2
790
CALL FFV1_0(W(1,10,H),W(1,2,H),W(1,5,H),R2_GQQ,AMPL(1,24))
791
C Amplitude(s) for UVCT diagram with ID 14
792
CALL FFV2_0(W(1,6,H),W(1,2,H),W(1,7,H),GC_47,AMPL(1,25))
793
AMPL(1,25)=AMPL(1,25)*(1.0D0*UVWFCT_G_2+1.0D0*UVWFCT_G_1)
794
C Amplitude(s) for UVCT diagram with ID 15
795
CALL FFV2_0(W(1,6,H),W(1,2,H),W(1,7,H),GC_47,AMPL(2,26))
796
AMPL(2,26)=AMPL(2,26)*(2.0D0*UVWFCT_G_2_1EPS)
797
C Amplitude(s) for UVCT diagram with ID 16
798
CALL FFV2_0(W(1,1,H),W(1,8,H),W(1,7,H),GC_47,AMPL(1,27))
799
AMPL(1,27)=AMPL(1,27)*(1.0D0*UVWFCT_G_2+1.0D0*UVWFCT_G_1)
800
C Amplitude(s) for UVCT diagram with ID 17
801
CALL FFV2_0(W(1,1,H),W(1,8,H),W(1,7,H),GC_47,AMPL(2,28))
802
AMPL(2,28)=AMPL(2,28)*(2.0D0*UVWFCT_G_2_1EPS)
809
CFTOT=DCMPLX(CF_N(I,J)/DBLE(ABS(CF_D(I,J))),0.0D0)
810
IF(CF_D(I,J).LT.0) CFTOT=CFTOT*IMAG1
812
ANS(K)=ANS(K)+2.0D0*DBLE(CFTOT*AMPL(K,I)*DCONJG(AMP(J
820
C WHEN CTMODE IS >=4, then the MP computation of wfs and amps is
821
C automatically done.
822
IF (CTMODE.GE.4) THEN
826
IF(SKIPLOOPEVAL) THEN
830
C Loop amplitude for loop diagram with ID 3
831
CALL ML5_0_LOOP_2_2(1,6,9,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16)
832
$ ,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),GC_5,MP__GC_5,GC_5
833
$ ,MP__GC_5,1,1,1,29,AMPL(1,29),S(29))
834
C Loop amplitude for loop diagram with ID 4
835
CALL ML5_0_LOOP_3_3(2,2,7,6,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16)
836
$ ,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO)
837
$ ,CMPLX(MP__ZERO,KIND=16),GC_5,MP__GC_5,GC_47,MP__GC_47,GC_5
838
$ ,MP__GC_5,2,1,1,30,AMPL(1,30),S(30))
839
C Loop amplitude for loop diagram with ID 5
840
CALL ML5_0_LOOP_3_3(3,1,7,8,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16)
841
$ ,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO)
842
$ ,CMPLX(MP__ZERO,KIND=16),GC_5,MP__GC_5,GC_47,MP__GC_47,GC_5
843
$ ,MP__GC_5,2,1,1,31,AMPL(1,31),S(31))
844
C Loop amplitude for loop diagram with ID 6
845
CALL ML5_0_LOOP_4_4(4,1,2,5,7,DCMPLX(ZERO),CMPLX(MP__ZERO
846
$ ,KIND=16),DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO)
847
$ ,CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16)
848
$ ,GC_5,MP__GC_5,GC_5,MP__GC_5,GC_5,MP__GC_5,GC_47,MP__GC_47,3,1
849
$ ,1,32,AMPL(1,32),S(32))
850
C Loop amplitude for loop diagram with ID 7
851
CALL ML5_0_LOOP_3_3(5,1,5,9,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16)
852
$ ,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO)
853
$ ,CMPLX(MP__ZERO,KIND=16),GC_5,MP__GC_5,GC_4,MP__GC_4,GC_5
854
$ ,MP__GC_5,2,1,1,33,AMPL(1,33),S(33))
855
C Loop amplitude for loop diagram with ID 8
856
CALL ML5_0_LOOP_4_4(6,1,5,2,7,DCMPLX(ZERO),CMPLX(MP__ZERO
857
$ ,KIND=16),DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO)
858
$ ,CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16)
859
$ ,GC_5,MP__GC_5,GC_4,MP__GC_4,GC_5,MP__GC_5,GC_47,MP__GC_47,3,1
860
$ ,1,34,AMPL(1,34),S(34))
861
C Loop amplitude for loop diagram with ID 9
862
CALL ML5_0_LOOP_4_4(7,1,2,7,5,DCMPLX(ZERO),CMPLX(MP__ZERO
863
$ ,KIND=16),DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO)
864
$ ,CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16)
865
$ ,GC_5,MP__GC_5,GC_5,MP__GC_5,GC_47,MP__GC_47,GC_5,MP__GC_5,3,1
866
$ ,1,35,AMPL(1,35),S(35))
867
C Loop amplitude for loop diagram with ID 10
868
CALL ML5_0_LOOP_3_3(8,1,5,9,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16)
869
$ ,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO)
870
$ ,CMPLX(MP__ZERO,KIND=16),GC_5,MP__GC_5,GC_5,MP__GC_5,GC_5
871
$ ,MP__GC_5,2,1,1,36,AMPL(1,36),S(36))
872
C Loop amplitude for loop diagram with ID 11
873
CALL ML5_0_LOOP_2_2(9,8,10,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16)
874
$ ,DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),GC_5,MP__GC_5,GC_5
875
$ ,MP__GC_5,1,1,1,37,AMPL(1,37),S(37))
876
C Loop amplitude for loop diagram with ID 12
877
CALL ML5_0_LOOP_3_3(10,2,5,10,DCMPLX(ZERO),CMPLX(MP__ZERO
878
$ ,KIND=16),DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO)
879
$ ,CMPLX(MP__ZERO,KIND=16),GC_5,MP__GC_5,GC_4,MP__GC_4,GC_5
880
$ ,MP__GC_5,2,1,1,38,AMPL(1,38),S(38))
881
C Loop amplitude for loop diagram with ID 13
882
CALL ML5_0_LOOP_3_3(11,2,5,10,DCMPLX(ZERO),CMPLX(MP__ZERO
883
$ ,KIND=16),DCMPLX(ZERO),CMPLX(MP__ZERO,KIND=16),DCMPLX(ZERO)
884
$ ,CMPLX(MP__ZERO,KIND=16),GC_5,MP__GC_5,GC_5,MP__GC_5,GC_5
885
$ ,MP__GC_5,2,1,1,39,AMPL(1,39),S(39))
887
DO I=NCTAMPS+1,NLOOPAMPS
888
ANS(1)=ANS(1)+AMPL(1,I)
889
ANS(2)=ANS(2)+AMPL(2,I)
890
ANS(3)=ANS(3)+AMPL(3,I)
891
IF((CTMODERUN.NE.-1).AND..NOT.CHECKPHASE.AND.(.NOT.S(I))) THEN
892
WRITE(*,*) '##W03 WARNING Contribution ',I,' is unstable.'
898
IF (CHECKPHASE.OR.(.NOT.HELDOUBLECHECKED)) THEN
899
C Update of NEXTREF, will be used for loop induced only.
900
NEXTREF = NEXTREF + ANS(1) + ANS(2) + ANS(3)
901
IF((USERHEL.EQ.-1).OR.(USERHEL.EQ.HELPICKED)) THEN
902
BUFFR(1)=BUFFR(1)+ANS(1)
903
BUFFR(2)=BUFFR(2)+ANS(2)
904
BUFFR(3)=BUFFR(3)+ANS(3)
908
C SET THE HELICITY FILTER
909
IF(.NOT.FOUNDHELFILTER) THEN
910
IF(ML5_0_ISZERO(ABS(ANS(1))+ABS(ANS(2))+ABS(ANS(3)),REF
911
$ /DBLE(NCOMB),-1)) THEN
913
GOODHEL(HELPICKED)=.FALSE.
914
ELSEIF(GOODHEL(HELPICKED)) THEN
915
WRITE(*,*) '##W02A WARNING Inconsistent helicity '
917
IF(HELINITSTARTOVER) THEN
918
WRITE(*,*) '##I01 INFO Initialization starting over'
919
$ //' because of inconsistency in the helicity filter'
925
IF(.NOT.GOODHEL(HELPICKED)) THEN
926
WRITE(*,*) '##W02B WARNING Inconsistent helicity '
928
IF(HELINITSTARTOVER) THEN
929
WRITE(*,*) '##I01 INFO Initialization starting over'
930
$ //' because of inconsistency in the helicity filter'
934
GOODHEL(HELPICKED)=.TRUE.
940
C SET THE LOOP FILTER
941
IF(.NOT.FOUNDLOOPFILTER.AND.USELOOPFILTER) THEN
942
DO I=NCTAMPS+1,NLOOPAMPS
943
IF(.NOT.ML5_0_ISZERO(ABS(AMPL(1,I))+ABS(AMPL(2,I))
944
$ +ABS(AMPL(3,I)),(REF*1.0D-4),I)) THEN
946
GOODAMP(I,HELPICKED)=.TRUE.
947
ELSEIF(.NOT.GOODAMP(I,HELPICKED)) THEN
948
WRITE(*,*) '##W02 WARNING Inconsistent loop amp ',I
949
$ ,' for helicity ',HELPICKED,'.'
950
IF(LOOPINITSTARTOVER) THEN
951
WRITE(*,*) '##I01 INFO Initialization starting'
952
$ //' over because of inconsistency in the loop'
956
GOODAMP(I,HELPICKED)=.TRUE.
962
ELSEIF (.NOT.HELDOUBLECHECKED)THEN
963
IF ((.NOT.GOODHEL(HELPICKED)).AND.(.NOT.ML5_0_ISZERO(ABS(ANS(
964
$1))+ABS(ANS(2))+ABS(ANS(3)),REF/DBLE(NCOMB),-1))) THEN
965
WRITE(*,*) '##W15 Helicity filter could not be'
966
$ //' successfully double checked.'
967
WRITE(*,*) '##One reason for this is that you have changed'
968
$ //' sensible parameters which affected what are the zero'
969
$ //' helicity configurations.'
970
WRITE(*,*) '##MadLoop will try to reset the Helicity'
971
$ //' filter with the next PS points it receives.'
973
OPEN(30,FILE=HELFILTERFN,ERR=349)
975
CLOSE(30,STATUS='delete')
977
C SET HELDOUBLECHECKED TO .TRUE. WHEN DONE
978
C even if it failed we do not want to redo the check
979
C afterwards if HELINITSTARTOVER=.FALSE.
980
IF (HELPICKED.EQ.NCOMB.AND.(NTRY.NE.0.OR..NOT.HELINITSTARTOVE
982
DONEHELDOUBLECHECK=.TRUE.
986
C GOTO NEXT HELICITY OR FINISH
987
IF(HELPICKED.NE.NCOMB) THEN
988
HELPICKED=HELPICKED+1
995
C We add one here to the number of PS points used for building
996
C the reference scale for comparison (used only for
997
C loop-induced processes).
998
NPSPOINTS = NPSPOINTS+1
1000
NATTEMPTS=NATTEMPTS+1
1001
IF(NATTEMPTS.EQ.MAXATTEMPTS) THEN
1002
WRITE(*,*) '##E01 ERROR Could not initialize the filters'
1003
$ //' in ',MAXATTEMPTS,' trials'
1012
ANS(K)=ANS(K)/DBLE(IDEN)
1013
IF (USERHEL.NE.-1) THEN
1014
ANS(K)=ANS(K)*HELAVGFACTOR
1017
IF (POLARIZATIONS(J,0).NE.-1) THEN
1018
ANS(K)=ANS(K)*BEAMS_HELAVGFACTOR(J)
1019
ANS(K)=ANS(K)/POLARIZATIONS(J,0)
1025
IF(.NOT.CHECKPHASE.AND.HELDOUBLECHECKED.AND.(CTMODERUN.LE.-1))
1027
STAB_INDEX=STAB_INDEX+1
1028
IF(DOING_QP_EVALS) THEN
1029
QP_RES(1,STAB_INDEX)=ANS(1)
1030
QP_RES(2,STAB_INDEX)=ANS(2)
1031
QP_RES(3,STAB_INDEX)=ANS(3)
1033
DP_RES(1,STAB_INDEX)=ANS(1)
1034
DP_RES(2,STAB_INDEX)=ANS(2)
1035
DP_RES(3,STAB_INDEX)=ANS(3)
1038
IF(DOING_QP_EVALS) THEN
1044
C BEGINNING OF THE DEFINITIONS OF THE DIFFERENT EVALUATION
1047
IF(.NOT.EVAL_DONE(2)) THEN
1049
CTMODE=BASIC_CT_MODE+1
1053
CTMODE=BASIC_CT_MODE
1055
IF(.NOT.EVAL_DONE(3).AND. ((DOING_QP_EVALS.AND.NROTATIONS_QP.GE
1056
$.1).OR.((.NOT.DOING_QP_EVALS).AND.NROTATIONS_DP.GE.1)) ) THEN
1058
CALL ML5_0_ROTATE_PS(PS,P,1)
1059
IF (DOING_QP_EVALS) CALL ML5_0_MP_ROTATE_PS(MP_PS,MP_P,1)
1063
IF(.NOT.EVAL_DONE(4).AND. ((DOING_QP_EVALS.AND.NROTATIONS_QP.GE
1064
$.2).OR.((.NOT.DOING_QP_EVALS).AND.NROTATIONS_DP.GE.2)) ) THEN
1066
CALL ML5_0_ROTATE_PS(PS,P,2)
1067
IF (DOING_QP_EVALS) CALL ML5_0_MP_ROTATE_PS(MP_PS,MP_P,2)
1071
CALL ML5_0_ROTATE_PS(PS,P,0)
1072
IF (DOING_QP_EVALS) CALL ML5_0_MP_ROTATE_PS(MP_PS,MP_P,0)
1074
C END OF THE DEFINITIONS OF THE DIFFERENT EVALUATION METHODS
1076
IF(DOING_QP_EVALS) THEN
1077
CALL ML5_0_COMPUTE_ACCURACY(QP_RES,N_QP_EVAL,ACC,ANS(1))
1080
IF(ACC.GE.MLSTABTHRES) THEN
1083
CALL ML5_0_COMPUTE_ACCURACY(DP_RES,N_DP_EVAL,TEMP1,TEMP)
1084
WRITE(*,*) '##W03 WARNING An unstable PS point was',
1086
WRITE(*,*) '##(DP,QP) accuracies : (',TEMP1,',',ACC,')'
1087
WRITE(*,*) '##Best estimate (fin,1eps,2eps) :',(ANS(I),I=1
1090
WRITE(*,*) '##Double precision evaluations :',(DP_RES(1
1091
$ ,I),I=1,N_DP_EVAL)
1092
WRITE(*,*) '##Quad precision evaluations :',(QP_RES(1
1093
$ ,I),I=1,N_QP_EVAL)
1094
WRITE(*,*) '##PS point specification :'
1095
WRITE(*,*) '##Renormalization scale MU_R=',MU_R
1097
WRITE (*,'(i2,1x,4e27.17)') I, P(0,I),P(1,I),P(2,I)
1102
WRITE(*,*) '##Further output of the details of these'
1103
$ //' unstable PS points will now be suppressed.'
1107
CALL ML5_0_COMPUTE_ACCURACY(DP_RES,N_DP_EVAL,ACC,ANS(1))
1108
IF(ACC.GE.MLSTABTHRES) THEN
1109
DOING_QP_EVALS=.TRUE.
1111
DO I=2,MAXSTABILITYLENGTH
1112
EVAL_DONE(I)=.FALSE.
1129
C Finalize the return code
1130
IF (MP_DONE_ONCE) THEN
1135
IF(CHECKPHASE.OR..NOT.HELDOUBLECHECKED) THEN
1137
RET_CODE_T=RET_CODE_T+2
1140
IF (RET_CODE_H.EQ.4) THEN
1146
C Reinitialize the default threshold if it was specified by the
1148
IF (USER_STAB_PREC.GT.0.0D0) THEN
1149
MLSTABTHRES=MLSTABTHRES_BU
1150
CTMODEINIT=CTMODEINIT_BU
1153
C Reinitialize the Lorentz test if it had been disabled because
1154
C spin-2 particles are in the external states.
1155
NROTATIONS_DP = NROTATIONS_DP_BU
1156
NROTATIONS_QP = NROTATIONS_QP_BU
1158
C Conform to the returned synthax of split orders even though the
1159
C default output does not support it (this then done only for
1160
C compatibility purpose).
1161
ANSRETURNED(0,0)=ANS(0)
1162
ANSRETURNED(1,0)=ANS(1)
1163
ANSRETURNED(2,0)=ANS(2)
1164
ANSRETURNED(3,0)=ANS(3)
1166
C Reinitialize the check phase logicals and the filters if check
1168
IF (BYPASS_CHECK) THEN
1169
CHECKPHASE = OLD_CHECKPHASE
1170
HELDOUBLECHECKED = OLD_HELDOUBLECHECKED
1172
GOODHEL(I)=OLD_GOODHEL(I)
1176
GOODAMP(J,I)=OLD_GOODAMP(J,I)
1183
SUBROUTINE ML5_0_COMPUTE_ACCURACY(FULLLIST, LENGTH, ACC,
1189
INTEGER MAXSTABILITYLENGTH
1190
COMMON/ML5_0_STABILITY_TESTS/MAXSTABILITYLENGTH
1194
REAL*8 FULLLIST(3,MAXSTABILITYLENGTH)
1196
REAL*8 ACC, ESTIMATE(3)
1200
LOGICAL MASK(MAXSTABILITYLENGTH)
1202
DATA MASK3/.TRUE.,.TRUE.,.TRUE./
1206
REAL*8 ACCURACIES(3)
1207
REAL*8 LIST(MAXSTABILITYLENGTH)
1215
DO I=LENGTH+1,MAXSTABILITYLENGTH
1220
DO J=1,MAXSTABILITYLENGTH
1221
LIST(J)=FULLLIST(I,J)
1223
DIFF=MAXVAL(LIST,1,MASK)-MINVAL(LIST,1,MASK)
1224
AVG=(MAXVAL(LIST,1,MASK)+MINVAL(LIST,1,MASK))/2.0D0
1226
IF (AVG.EQ.0.0D0) THEN
1229
ACCURACIES(I)=DIFF/ABS(AVG)
1233
C The technique below is too sensitive, typically to
1234
C unstablities in very small poles
1235
C ACC=MAXVAL(ACCURACIES,1,MASK3)
1236
C The following is used instead
1240
ACC = ACC + ACCURACIES(I)*ABS(ESTIMATE(I))
1241
AVG = AVG + ESTIMATE(I)
1243
ACC = ACC / ( ABS(AVG) / 3.0D0)
1247
SUBROUTINE ML5_0_SET_N_EVALS(N_DP_EVALS,N_QP_EVALS)
1250
INTEGER N_DP_EVALS, N_QP_EVALS
1252
INCLUDE 'MadLoopParams.inc'
1254
IF(CTMODERUN.LE.-1) THEN
1255
N_DP_EVALS=2+NROTATIONS_DP
1256
N_QP_EVALS=2+NROTATIONS_QP
1262
IF(N_DP_EVALS.GT.20.OR.N_QP_EVALS.GT.20) THEN
1263
WRITE(*,*) '##ERROR:: Increase hardcoded maxstabilitylength.'
1270
C THIS SUBROUTINE SIMPLY SET THE GLOBAL PS CONFIGURATION GLOBAL
1271
C VARIABLES FROM A GIVEN VARIABLE IN DOUBLE PRECISION
1272
SUBROUTINE ML5_0_SET_MP_PS(P)
1275
PARAMETER (NEXTERNAL=5)
1276
REAL*16 MP_PS(0:3,NEXTERNAL),MP_P(0:3,NEXTERNAL)
1277
COMMON/ML5_0_MP_PSPOINT/MP_PS,MP_P
1278
REAL*8 P(0:3,NEXTERNAL)
1285
CALL ML5_0_MP_IMPROVE_PS_POINT_PRECISION(MP_PS)
1288
MP_P(J,I)=MP_PS(J,I)
1294
SUBROUTINE ML5_0_SET_COUPLINGORDERS_TARGET(SOTARGET)
1297
C This routine can be accessed by an external user to set the
1298
C squared split order target.
1299
C This functionality is only available in the optimized mode, but
1301
C purposes, a dummy version is also put in this default output.
1310
WRITE(*,*) '##WARNING:: Ignored, the possibility of selecting'
1311
$ //' specific squared order contributions is not available in'
1312
$ //' the default mode.'
1316
SUBROUTINE ML5_0_FORCE_STABILITY_CHECK(ONOFF)
1318
C This function can be called by the MadLoop user so as to always
1320
C checked, even during initialisation, when calling the *_thres
1325
LOGICAL BYPASS_CHECK, ALWAYS_TEST_STABILITY
1326
DATA BYPASS_CHECK, ALWAYS_TEST_STABILITY /.FALSE.,.FALSE./
1327
COMMON/ML5_0_BYPASS_CHECK/BYPASS_CHECK, ALWAYS_TEST_STABILITY
1329
ALWAYS_TEST_STABILITY = ONOFF
1333
SUBROUTINE ML5_0_GET_ANSWER_DIMENSION(ANSDIM)
1335
C Simple subroutine which returns the upper bound of the second
1337
C quantity ANS(0:3,0:ANSDIM) returned by MadLoop. As long as the
1339
C cannot handle split orders, this ANSDIM will always be 0.
1341
INCLUDE 'nsquaredSO.inc'
1349
SUBROUTINE ML5_0_GET_NSQSO_LOOP(NSQSO)
1351
C Simple subroutine returning the number of squared split order
1352
C contributions returned in ANS when calling sloopmatrix
1354
INCLUDE 'nsquaredSO.inc'
1362
SUBROUTINE ML5_0_SET_LEG_POLARIZATION(LEG_ID, LEG_POLARIZATION)
1368
INTEGER LEG_POLARIZATION
1373
INTEGER LEG_POLARIZATIONS(0:5)
1378
IF (LEG_POLARIZATION.EQ.-10000) THEN
1379
LEG_POLARIZATIONS(0)=-1
1381
LEG_POLARIZATIONS(I)=-10000
1384
LEG_POLARIZATIONS(0)=1
1385
LEG_POLARIZATIONS(1)=LEG_POLARIZATION
1387
LEG_POLARIZATIONS(I)=-10000
1390
CALL ML5_0_SET_LEG_POLARIZATIONS(LEG_ID,LEG_POLARIZATIONS)
1394
SUBROUTINE ML5_0_SET_LEG_POLARIZATIONS(LEG_ID, LEG_POLARIZATIONS)
1400
PARAMETER (NEXTERNAL=5)
1402
PARAMETER (NPOLENTRIES=(NEXTERNAL+1)*6)
1404
PARAMETER (NCOMB=32)
1409
INTEGER LEG_POLARIZATIONS(0:5)
1414
LOGICAL ALL_SUMMED_OVER
1418
C Entry 0 of the first dimension is all -1 if there is no
1419
C polarization requirement.
1420
C Then for each leg with ID legID, it is either summed over if
1421
C POLARIZATIONS(legID,0) is -1, or the list of helicity considered
1423
C leg is POLARIZATIONS(legID,1: POLARIZATIONS(legID,0) ).
1424
INTEGER POLARIZATIONS(0:NEXTERNAL,0:5)
1425
DATA ((POLARIZATIONS(I,J),I=0,NEXTERNAL),J=0,5)/NPOLENTRIES*-1/
1426
COMMON/ML5_0_BEAM_POL/POLARIZATIONS
1428
INTEGER BORN_POLARIZATIONS(0:NEXTERNAL,0:5)
1429
COMMON/ML5_0_BORN_BEAM_POL/BORN_POLARIZATIONS
1435
IF (LEG_POLARIZATIONS(0).EQ.-1) THEN
1437
POLARIZATIONS(LEG_ID,I)=-1
1440
DO I=0,LEG_POLARIZATIONS(0)
1441
POLARIZATIONS(LEG_ID,I)=LEG_POLARIZATIONS(I)
1443
DO I=LEG_POLARIZATIONS(0)+1,5
1444
POLARIZATIONS(LEG_ID,I)=-10000
1448
ALL_SUMMED_OVER = .TRUE.
1450
IF (POLARIZATIONS(I,0).NE.-1) THEN
1451
ALL_SUMMED_OVER = .FALSE.
1455
IF (ALL_SUMMED_OVER) THEN
1457
POLARIZATIONS(0,I)=-1
1461
POLARIZATIONS(0,I)=0
1467
BORN_POLARIZATIONS(I,J) = POLARIZATIONS(I,J)
1476
SUBROUTINE ML5_0_SLOOPMATRIXHEL_THRES(P,HEL,ANS,PREC_ASKED
1477
$ ,PREC_FOUND,RET_CODE)
1483
PARAMETER (NEXTERNAL=5)
1484
INCLUDE 'nsquaredSO.inc'
1488
REAL*8 P(0:3,NEXTERNAL)
1489
REAL*8 ANS(0:3,0:NSQUAREDSO)
1490
INTEGER HEL,RET_CODE
1491
REAL*8 PREC_ASKED,PREC_FOUND(0:NSQUAREDSO)
1495
REAL*8 USER_STAB_PREC
1496
COMMON/ML5_0_USER_STAB_PREC/USER_STAB_PREC
1501
REAL*8 ACCURACY(0:NSQUAREDSO)
1502
COMMON/ML5_0_ACC/ACCURACY,H,T,U
1504
LOGICAL BYPASS_CHECK, ALWAYS_TEST_STABILITY
1505
COMMON/ML5_0_BYPASS_CHECK/BYPASS_CHECK, ALWAYS_TEST_STABILITY
1510
USER_STAB_PREC = PREC_ASKED
1511
CALL ML5_0_SLOOPMATRIXHEL(P,HEL,ANS)
1512
IF(ALWAYS_TEST_STABILITY.AND.(H.EQ.1.OR.ACCURACY(0).LT.0.0D0))
1514
BYPASS_CHECK = .TRUE.
1515
CALL ML5_0_SLOOPMATRIXHEL(P,HEL,ANS)
1516
BYPASS_CHECK = .FALSE.
1517
C Make sure we correctly return an initialization-type T code
1522
C Reset it to default value not to affect next runs
1523
USER_STAB_PREC = -1.0D0
1525
PREC_FOUND(I)=ACCURACY(I)
1527
RET_CODE=100*H+10*T+U
1531
SUBROUTINE ML5_0_SLOOPMATRIX_THRES(P,ANS,PREC_ASKED,PREC_FOUND
1535
C P(0:3, Nexternal) double :: Kinematic configuration
1537
C PEC_ASKED double :: Target relative accuracy, -1 for
1541
C ANS(3) double :: Result (finite, single pole,
1543
C PREC_FOUND double :: Relative accuracy estimated for
1545
C Returns -1 if no stab test could be performed.
1546
C RET_CODE integer :: Return code. See below for details
1548
C Return code conventions: RET_CODE = H*100 + T*10 + U
1551
C Stability unknown.
1553
C Stable PS (SPS) point.
1554
C No stability rescue was necessary.
1556
C Unstable PS (UPS) point.
1557
C Stability rescue necessary, and successful.
1559
C Exceptional PS (EPS) point.
1560
C Stability rescue attempted, but unsuccessful.
1563
C Default computation (double prec.) was performed.
1565
C Quadruple precision was used for this PS point.
1567
C MadLoop in initialization phase. Only double precision used.
1569
C MadLoop in initialization phase. Quadruple precision used.
1571
C U is a number left for future use (always set to 0 for now).
1572
C example: TIR vs OPP usage.
1579
PARAMETER (NEXTERNAL=5)
1580
INCLUDE 'nsquaredSO.inc'
1584
REAL*8 P(0:3,NEXTERNAL)
1585
REAL*8 ANS(0:3,0:NSQUAREDSO)
1586
REAL*8 PREC_ASKED,PREC_FOUND(0:NSQUAREDSO)
1591
REAL*8 USER_STAB_PREC
1592
COMMON/ML5_0_USER_STAB_PREC/USER_STAB_PREC
1597
REAL*8 ACCURACY(0:NSQUAREDSO)
1598
COMMON/ML5_0_ACC/ACCURACY,H,T,U
1600
LOGICAL BYPASS_CHECK, ALWAYS_TEST_STABILITY
1601
COMMON/ML5_0_BYPASS_CHECK/BYPASS_CHECK, ALWAYS_TEST_STABILITY
1606
USER_STAB_PREC = PREC_ASKED
1607
CALL ML5_0_SLOOPMATRIX(P,ANS)
1608
IF(ALWAYS_TEST_STABILITY.AND.(H.EQ.1.OR.ACCURACY(0).LT.0.0D0))
1610
BYPASS_CHECK = .TRUE.
1611
CALL ML5_0_SLOOPMATRIX(P,ANS)
1612
BYPASS_CHECK = .FALSE.
1613
C Make sure we correctly return an initialization-type T code
1618
C Reset it to default value not to affect next runs
1619
USER_STAB_PREC = -1.0D0
1621
PREC_FOUND(I)=ACCURACY(I)
1623
RET_CODE=100*H+10*T+U
added
removed
tests/input_files/IOTestsComparison/long_ML_SMQCD_default/dux_mumvmxg/loop_matrix.f
