-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathtest.C
183 lines (164 loc) · 6.2 KB
/
test.C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
#include "AliExternalTrackParam.h"
#include "Track.h"
using namespace AliceO2::Base::Track;
void CompPar(const AliExternalTrackParam* etpar,const TrackParBase* tp);
void CompCov(const AliExternalTrackParam* etpar,const TrackParCov* tp);
void test()
{
double xyzD[3] = {0,0,0}, pxyzD[3] = {0.5,0.5,0.5};
const float xyzF[3] = {0,0,0}, pxyzF[3] = {0.5,0.5,0.5};
double covD[21] = {1e-6,
0,1e-6,
0,0,1e-6,
0,0,0,1e-4,
0,0,0,0,1e-4,
0,0,0,0,0,1e-4};
const float covF[21] = {1e-6,
0,1e-6,
0,0,1e-6,
0,0,0,1e-4,
0,0,0,0,1e-4,
0,0,0,0,0,1e-4};
TrackParCov *trcO2 = new TrackParCov(xyzF,pxyzF,covF,1,false);
TrackPar *trpO2 = new TrackPar(xyzF,pxyzF,1,false);
AliExternalTrackParam* etp = new AliExternalTrackParam(xyzD,pxyzD,covD,1);
AliExternalTrackParam* etpp = new AliExternalTrackParam(xyzD,pxyzD,covD,1);
//
printf("\nAt creation:\n");
printf("[0] TrackParCov:\n");
trcO2->Print();
printf("[1] TrackPar:\n");
trpO2->PrintParam();
printf("[2] AliExternalTrackParam:\n");
etp->Print();
printf("[3] AliExternalTrackParam: param only\n");
etpp->Print();
//
const float xmax = 400.,xstep=4.;;
float bF[3] = {0.01,0.01,5.0};
double bD[3] = {0.01,0.01,5.0};
const float x2x0 = 0.01;
const float xrho = xstep*2.0;
const float mass = 0.14;
//
float x = trcO2->GetX();
int cnt = 0;
float chi0=0,chi3=0;
float measErrF[3]={1e-6,0.25e-5,1e-4};
double measErrD[3]={1e-6,0.25e-5,1e-4};
int nupd = 0;
while (x<xmax) {
x += xstep;
if (!trcO2->PropagateTo(x,bF[2])) {printf("[0] Fail on prop.%f\n",x); exit(1);}
if (!trpO2->PropagateParamTo(x,bF[2])) {printf("[1] Fail on prop.%f\n",x); exit(1);}
if (!etp->PropagateTo(x,bD[2])) {printf("[2] Fail on prop.%f\n",x); exit(1);}
if (!etpp->PropagateParamOnlyTo(x,bD[2])) {printf("[3] Fail on prop.%f\n",x); exit(1);}
cnt++;
if (cnt%2==0) {
if (!trcO2->CorrectForMaterial(x2x0,xrho,mass,false)) {printf("[0] Fail on matcor. %f\n",x); exit(1);}
if (!etp->CorrectForMeanMaterial(x2x0,xrho,mass,false)) {printf("[2] Fail on matcor. %f\n",x); exit(1);}
}
if (cnt%3==0) {
double measD[2] = {etp->GetY()+TMath::Sqrt(measErrD[0]),etp->GetZ()+TMath::Sqrt(measErrD[2])};
float measF[2] = {static_cast<float>(etp->GetY()+TMath::Sqrt(measErrF[0])),static_cast<float>(etp->GetZ()+TMath::Sqrt(measErrF[2]))};
chi0 += trcO2->GetPredictedChi2(measF,measErrF);
chi3 += etp->GetPredictedChi2(measD,measErrD);
if (!trcO2->Update(measF,measErrF)) {printf("[0] Fail on update. %f\n",x); exit(1);}
if (!etp->Update(measD, measErrD)) {printf("[2] Fail on update. %f\n",x); exit(1);}
nupd++;
}
//
if (cnt%4 == 0 || TMath::Abs(x-xmax)<1e-4) {
float alp = etp->Phi();
if (!trcO2->Rotate(alp)) {printf("[0] Fail on rot.%f\n",x); exit(1);}
if (!trpO2->RotateParam(alp)) {printf("[1] Fail on rot.%f\n",x); exit(1);}
if (!etp->Rotate(alp)) {printf("[2] Fail on rot.%f\n",x); exit(1);}
if (!etpp->RotateParamOnly(alp)) {printf("[3] Fail on rot.%f\n",x); exit(1);}
}
}
printf("\nAt Max X:\n");
printf("[0] TrackParCov:\n");
trcO2->Print();
printf("[1] TrackPar:\n");
trpO2->PrintParam();
printf("[2] AliExternalTrackParam:\n");
etp->Print();
printf("[3] AliExternalTrackParam: param only\n");
etpp->Print();
printf("\nDifference for full propagation\n");
CompPar(etp,(TrackPar*)trcO2);
//CompPar(etp,trcO2);
CompCov(etp,trcO2);
printf("\nDifference for ParamOnly propagation\n");
CompPar(etpp,trpO2);
// propagate back with 3d field
while (x>0) {
x -= xstep;
if (!trcO2->PropagateTo(x,bF)) {printf("[0] Fail on prop3d.%f\n",x); exit(1);}
if (!trpO2->PropagateParamTo(x,bF)) {printf("[1] Fail on prop3d.%f\n",x); exit(1);}
if (!etp->PropagateToBxByBz(x,bD)) {printf("[2] Fail on prop3d.%f\n",x); exit(1);}
if (!etpp->PropagateParamOnlyBxByBzTo(x,bD)) {printf("[3] Fail on prop3d.%f\n",x); exit(1);}
}
// bring to the same frame
float alp = etp->Phi();
if (!trcO2->Rotate(alp)) {printf("[0] Fail on rot.%f\n",x); exit(1);}
if (!trpO2->RotateParam(alp)) {printf("[1] Fail on rot.%f\n",x); exit(1);}
if (!etp->Rotate(alp)) {printf("[2] Fail on rot.%f\n",x); exit(1);}
if (!etpp->RotateParamOnly(alp)) {printf("[3] Fail on rot.%f\n",x); exit(1);}
//
x = 0;
if (!trcO2->PropagateTo(x,bF)) {printf("[0] Fail on prop3d.%f\n",x); exit(1);}
if (!trpO2->PropagateParamTo(x,bF)) {printf("[1] Fail on prop3d.%f\n",x); exit(1);}
if (!etp->PropagateToBxByBz(x,bD)) {printf("[2] Fail on prop3d.%f\n",x); exit(1);}
if (!etpp->PropagateParamOnlyBxByBzTo(x,bD)) {printf("[3] Fail on prop3d.%f\n",x); exit(1);}
//
printf("\n\nBackToVertex with 3D field, w/o updates:\n");
printf("[0] TrackParCov:\n");
trcO2->Print();
printf("[1] TrackPar:\n");
trpO2->PrintParam();
printf("[2] AliExternalTrackParam:\n");
etp->Print();
printf("[3] AliExternalTrackParam: param only\n");
etpp->Print();
if (nupd) {
printf("[0] chi2/nupdate = %f\n",chi0/nupd);
printf("[3] chi2/nupdate = %f\n",chi3/nupd);
}
//
printf("\nDifference for full propagation\n");
CompPar(etp,(TrackPar*)trcO2);
//CompPar(etp,trcO2);
CompCov(etp,trcO2);
printf("\nDifference for ParamOnly propagation\n");
CompPar(etpp,trpO2);
//
delete trpO2;
delete trcO2;
delete etp;
delete etpp;
}
void CompPar(const AliExternalTrackParam* etpar,const TrackParBase* tp)
{
printf("DiffParam: dX: %+.3e dAlp: %+.3e | DPar: ",etpar->GetX()-tp->GetX(),etpar->GetAlpha()-tp->GetAlpha());
for (int i=0;i<5;i++) printf("%+.3e ",etpar->GetParameter()[i]-tp->GetParam()[i]);
printf("\n");
float xyzF[3];
double xyzD[3];
tp->GetXYZ(xyzF);
etpar->GetXYZ(xyzD);
printf("Diff XYZ: ");
for (int i=0;i<3;i++) printf("%+e ",xyzD[i]-xyzF[i]); printf("\n");
}
void CompCov(const AliExternalTrackParam* etpar,const TrackParCov* tp)
{
printf("DiffCov: \n");
int cnt=0;
for (int i=0;i<5;i++) {
for (int j=0;j<=i;j++) {
printf("%+.3e ",etpar->GetCovariance()[cnt]-tp->GetCov()[cnt]);
cnt++;
}
printf("\n");
}
}