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TestRKTrackRep.cpp
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1 #include <gtest/gtest.h>
2 
3 #include <TVector3.h>
4 
5 #include <Exception.h>
6 #include <RKTrackRep.h>
7 #include <ConstField.h>
8 #include <FieldManager.h>
9 #include <StateOnPlane.h>
10 #include <SharedPlanePtr.h>
11 #include <MeasurementOnPlane.h>
12 
13 
14 namespace genfit {
15 
16  class RKTrackRepTests : public ::testing::Test {
17 
18  protected:
19  virtual void SetUp() {
20  const double bFieldZ = 20; // kGauss. Is 1.5T
21  m_constField = new genfit::ConstField(0., 0., bFieldZ);
22  genfit::FieldManager::getInstance()->init(m_constField);
23  }
24  virtual void TearDown() {
25  genfit::FieldManager::getInstance()->destruct();
26  }
27  genfit::ConstField* m_constField;
28  };
29 
30  TEST_F (RKTrackRepTests, RKStep) {
31  genfit::RKStep myRKStep;
32 
33  EXPECT_EQ(0, myRKStep.state7_[0]);
34  EXPECT_EQ(0, myRKStep.state7_[1]);
35  EXPECT_EQ(0, myRKStep.state7_[2]);
36  EXPECT_EQ(0, myRKStep.state7_[3]);
37  EXPECT_EQ(0, myRKStep.state7_[4]);
38  EXPECT_EQ(0, myRKStep.state7_[5]);
39  EXPECT_EQ(0, myRKStep.state7_[6]);
40  }
41 
42  TEST_F (RKTrackRepTests, ExtrapStep) {
43  genfit::ExtrapStep myExtrapStep;
44 
45  EXPECT_EQ(0, myExtrapStep.jac7_(0, 0));
46  EXPECT_EQ(0, myExtrapStep.jac7_(0, 1));
47  EXPECT_EQ(0, myExtrapStep.jac7_(0, 2));
48  EXPECT_EQ(0, myExtrapStep.jac7_(0, 3));
49  EXPECT_EQ(0, myExtrapStep.jac7_(0, 4));
50  EXPECT_EQ(0, myExtrapStep.jac7_(0, 5));
51  EXPECT_EQ(0, myExtrapStep.jac7_(0, 6));
52 
53  EXPECT_EQ(0, myExtrapStep.jac7_(1, 0));
54  EXPECT_EQ(0, myExtrapStep.jac7_(1, 1));
55  EXPECT_EQ(0, myExtrapStep.jac7_(1, 2));
56  EXPECT_EQ(0, myExtrapStep.jac7_(1, 3));
57  EXPECT_EQ(0, myExtrapStep.jac7_(1, 4));
58  EXPECT_EQ(0, myExtrapStep.jac7_(1, 5));
59  EXPECT_EQ(0, myExtrapStep.jac7_(1, 6));
60 
61  EXPECT_EQ(0, myExtrapStep.jac7_(2, 0));
62  EXPECT_EQ(0, myExtrapStep.jac7_(2, 1));
63  EXPECT_EQ(0, myExtrapStep.jac7_(2, 2));
64  EXPECT_EQ(0, myExtrapStep.jac7_(2, 3));
65  EXPECT_EQ(0, myExtrapStep.jac7_(2, 4));
66  EXPECT_EQ(0, myExtrapStep.jac7_(2, 5));
67  EXPECT_EQ(0, myExtrapStep.jac7_(2, 6));
68 
69  EXPECT_EQ(0, myExtrapStep.jac7_(3, 0));
70  EXPECT_EQ(0, myExtrapStep.jac7_(3, 1));
71  EXPECT_EQ(0, myExtrapStep.jac7_(3, 2));
72  EXPECT_EQ(0, myExtrapStep.jac7_(3, 3));
73  EXPECT_EQ(0, myExtrapStep.jac7_(3, 4));
74  EXPECT_EQ(0, myExtrapStep.jac7_(3, 5));
75  EXPECT_EQ(0, myExtrapStep.jac7_(3, 6));
76 
77  EXPECT_EQ(0, myExtrapStep.jac7_(4, 0));
78  EXPECT_EQ(0, myExtrapStep.jac7_(4, 1));
79  EXPECT_EQ(0, myExtrapStep.jac7_(4, 2));
80  EXPECT_EQ(0, myExtrapStep.jac7_(4, 3));
81  EXPECT_EQ(0, myExtrapStep.jac7_(4, 4));
82  EXPECT_EQ(0, myExtrapStep.jac7_(4, 5));
83  EXPECT_EQ(0, myExtrapStep.jac7_(4, 6));
84 
85  EXPECT_EQ(0, myExtrapStep.jac7_(5, 0));
86  EXPECT_EQ(0, myExtrapStep.jac7_(5, 1));
87  EXPECT_EQ(0, myExtrapStep.jac7_(5, 2));
88  EXPECT_EQ(0, myExtrapStep.jac7_(5, 3));
89  EXPECT_EQ(0, myExtrapStep.jac7_(5, 4));
90  EXPECT_EQ(0, myExtrapStep.jac7_(5, 5));
91  EXPECT_EQ(0, myExtrapStep.jac7_(5, 6));
92 
93  EXPECT_EQ(0, myExtrapStep.jac7_(6, 0));
94  EXPECT_EQ(0, myExtrapStep.jac7_(6, 1));
95  EXPECT_EQ(0, myExtrapStep.jac7_(6, 2));
96  EXPECT_EQ(0, myExtrapStep.jac7_(6, 3));
97  EXPECT_EQ(0, myExtrapStep.jac7_(6, 4));
98  EXPECT_EQ(0, myExtrapStep.jac7_(6, 5));
99  EXPECT_EQ(0, myExtrapStep.jac7_(6, 6));
100 
101  EXPECT_EQ(0, myExtrapStep.noise7_(0, 0));
102  EXPECT_EQ(0, myExtrapStep.noise7_(0, 1));
103  EXPECT_EQ(0, myExtrapStep.noise7_(0, 2));
104  EXPECT_EQ(0, myExtrapStep.noise7_(0, 3));
105  EXPECT_EQ(0, myExtrapStep.noise7_(0, 4));
106  EXPECT_EQ(0, myExtrapStep.noise7_(0, 5));
107  EXPECT_EQ(0, myExtrapStep.noise7_(0, 6));
108 
109  EXPECT_EQ(0, myExtrapStep.noise7_(1, 0));
110  EXPECT_EQ(0, myExtrapStep.noise7_(1, 1));
111  EXPECT_EQ(0, myExtrapStep.noise7_(1, 2));
112  EXPECT_EQ(0, myExtrapStep.noise7_(1, 3));
113  EXPECT_EQ(0, myExtrapStep.noise7_(1, 4));
114  EXPECT_EQ(0, myExtrapStep.noise7_(1, 5));
115  EXPECT_EQ(0, myExtrapStep.noise7_(1, 6));
116 
117  EXPECT_EQ(0, myExtrapStep.noise7_(2, 0));
118  EXPECT_EQ(0, myExtrapStep.noise7_(2, 1));
119  EXPECT_EQ(0, myExtrapStep.noise7_(2, 2));
120  EXPECT_EQ(0, myExtrapStep.noise7_(2, 3));
121  EXPECT_EQ(0, myExtrapStep.noise7_(2, 4));
122  EXPECT_EQ(0, myExtrapStep.noise7_(2, 5));
123  EXPECT_EQ(0, myExtrapStep.noise7_(2, 6));
124 
125  EXPECT_EQ(0, myExtrapStep.noise7_(3, 0));
126  EXPECT_EQ(0, myExtrapStep.noise7_(3, 1));
127  EXPECT_EQ(0, myExtrapStep.noise7_(3, 2));
128  EXPECT_EQ(0, myExtrapStep.noise7_(3, 3));
129  EXPECT_EQ(0, myExtrapStep.noise7_(3, 4));
130  EXPECT_EQ(0, myExtrapStep.noise7_(3, 5));
131  EXPECT_EQ(0, myExtrapStep.noise7_(3, 6));
132 
133  EXPECT_EQ(0, myExtrapStep.noise7_(4, 0));
134  EXPECT_EQ(0, myExtrapStep.noise7_(4, 1));
135  EXPECT_EQ(0, myExtrapStep.noise7_(4, 2));
136  EXPECT_EQ(0, myExtrapStep.noise7_(4, 3));
137  EXPECT_EQ(0, myExtrapStep.noise7_(4, 4));
138  EXPECT_EQ(0, myExtrapStep.noise7_(4, 5));
139  EXPECT_EQ(0, myExtrapStep.noise7_(4, 6));
140 
141  EXPECT_EQ(0, myExtrapStep.noise7_(5, 0));
142  EXPECT_EQ(0, myExtrapStep.noise7_(5, 1));
143  EXPECT_EQ(0, myExtrapStep.noise7_(5, 2));
144  EXPECT_EQ(0, myExtrapStep.noise7_(5, 3));
145  EXPECT_EQ(0, myExtrapStep.noise7_(5, 4));
146  EXPECT_EQ(0, myExtrapStep.noise7_(5, 5));
147  EXPECT_EQ(0, myExtrapStep.noise7_(5, 6));
148 
149  EXPECT_EQ(0, myExtrapStep.noise7_(6, 0));
150  EXPECT_EQ(0, myExtrapStep.noise7_(6, 1));
151  EXPECT_EQ(0, myExtrapStep.noise7_(6, 2));
152  EXPECT_EQ(0, myExtrapStep.noise7_(6, 3));
153  EXPECT_EQ(0, myExtrapStep.noise7_(6, 4));
154  EXPECT_EQ(0, myExtrapStep.noise7_(6, 5));
155  EXPECT_EQ(0, myExtrapStep.noise7_(6, 6));
156  }
157 
159  TEST_F (RKTrackRepTests, RKPropagate01) {
160  genfit::M1x7 myState7;
161  myState7.vals[0] = 0;
162  myState7.vals[1] = 0;
163  myState7.vals[2] = 0;
164  myState7.vals[3] = 0;
165  myState7.vals[4] = 0;
166  myState7.vals[5] = 1;
167  myState7.vals[6] = 1;
168  genfit::M7x7* myJacobian = nullptr;
169  genfit::M1x3 mySA;
170  double myS = 0.5;
171  const bool varField = false;
172  const bool calcOnlyLastRowOfJ = false;
173 
174  genfit::RKTrackRep myRKTrackRep;
175  EXPECT_EQ(10, myRKTrackRep.RKPropagate(myState7, myJacobian, mySA, myS, varField, calcOnlyLastRowOfJ));
176  EXPECT_EQ(0, myState7[0]);
177  EXPECT_EQ(0, myState7[1]);
178  EXPECT_EQ(0.5, myState7[2]);
179  EXPECT_EQ(0, myState7[3]);
180  EXPECT_EQ(0, myState7[4]);
181  EXPECT_EQ(1, myState7[5]);
182  EXPECT_EQ(1, myState7[6]);
183  EXPECT_EQ(0, mySA[0]);
184  EXPECT_EQ(0, mySA[1]);
185  EXPECT_EQ(0, mySA[2]);
186  }
187 
189  TEST_F (RKTrackRepTests, RKPropagate02) {
190  genfit::M1x7 myState7;
191  myState7.vals[0] = 1;
192  myState7.vals[1] = 1;
193  myState7.vals[2] = 1;
194  myState7.vals[3] = 1;
195  myState7.vals[4] = 1;
196  myState7.vals[5] = 1;
197  myState7.vals[6] = 1;
198  genfit::M7x7* myJacobian = nullptr;
199  genfit::M1x3 mySA;
200  double myS = 0.1;
201  const bool varField = false;
202  const bool calcOnlyLastRowOfJ = false;
203 
204  genfit::RKTrackRep myRKTrackRep;
205  EXPECT_FLOAT_EQ(10, myRKTrackRep.RKPropagate(myState7, myJacobian, mySA, myS, varField, calcOnlyLastRowOfJ));
206  EXPECT_FLOAT_EQ(1.1000299732532006, myState7[0]);
207  EXPECT_FLOAT_EQ(1.0999700147633968, myState7[1]);
208  EXPECT_FLOAT_EQ(1.1, myState7[2]);
209  EXPECT_FLOAT_EQ(0.5776963359022331, myState7[3]);
210  EXPECT_FLOAT_EQ(0.5770039949184069, myState7[4]);
211  EXPECT_FLOAT_EQ(0.5773502691896258, myState7[5]);
212  EXPECT_FLOAT_EQ(1, myState7[6]);
213  EXPECT_FLOAT_EQ(0.000599405129044106, mySA[0]);
214  EXPECT_FLOAT_EQ(-0.0005997646311051152, mySA[1]);
215  EXPECT_FLOAT_EQ(0., mySA[2]);
216  }
217 
219  TEST_F (RKTrackRepTests, getState7) {
220  RKTrackRep myRKTrackRep;
221  genfit::M1x7 myState7;
222  myState7.vals[0] = 0;
223  myState7.vals[1] = 0;
224  myState7.vals[2] = 0;
225  myState7.vals[3] = 0;
226  myState7.vals[4] = 0;
227  myState7.vals[5] = 0;
228  myState7.vals[6] = 0;
229 
230  genfit::MeasurementOnPlane myMeasurementOnPlane;
231  EXPECT_THROW(myRKTrackRep.getState7(myMeasurementOnPlane, myState7), genfit::Exception);
232  EXPECT_EQ(0, myState7[0]);
233  EXPECT_EQ(0, myState7[1]);
234  EXPECT_EQ(0, myState7[2]);
235  EXPECT_EQ(0, myState7[3]);
236  EXPECT_EQ(0, myState7[4]);
237  EXPECT_EQ(0, myState7[5]);
238  EXPECT_EQ(0, myState7[6]);
239 
240  TVectorD myState5(5);
241  myState5[0] = -1;
242  myState5[1] = 1;
243  myState5[2] = 1;
244  myState5[3] = 0.1;
245  myState5[4] = 0.1;
246  genfit::SharedPlanePtr mySharedPlanePtr(new genfit::DetPlane(TVector3(0, 0, 1), TVector3(0, 0, 1), nullptr));
247  genfit::StateOnPlane myStateOnPlane(myState5, mySharedPlanePtr, &myRKTrackRep);
248  EXPECT_NO_THROW(myRKTrackRep.getState7(myStateOnPlane, myState7));
249  EXPECT_FLOAT_EQ(-0.1, myState7[0]);
250  EXPECT_FLOAT_EQ(-0.1, myState7[1]);
251  EXPECT_FLOAT_EQ(1, myState7[2]);
252  EXPECT_FLOAT_EQ(-0.57735, myState7[3]);
253  EXPECT_FLOAT_EQ(-0.57735, myState7[4]);
254  EXPECT_FLOAT_EQ(0.57735, myState7[5]);
255  EXPECT_FLOAT_EQ(-1, myState7[6]);
256 
257  }
258 
260  TEST_F (RKTrackRepTests, getState5) {
261  RKTrackRep myRKTrackRep;
262  genfit::M1x7 myState7;
263  // state7 must already lie on plane of state
264  // We take the values from the getState7 test, because we know them.
265  myState7[0] = -0.1;
266  myState7[1] = -0.1;
267  myState7[2] = 1;
268  myState7[3] = -0.57735;
269  myState7[4] = -0.57735;
270  myState7[5] = 0.57735;
271  myState7[6] = -1;
272  TVectorD myState5(5);
273  genfit::SharedPlanePtr mySharedPlanePtr(new genfit::DetPlane(TVector3(0, 0, 1), TVector3(0, 0, 1), nullptr));
274  genfit::StateOnPlane myStateOnPlane(myState5, mySharedPlanePtr, &myRKTrackRep);
275  EXPECT_NO_THROW(myRKTrackRep.getState5(myStateOnPlane, myState7));
276  EXPECT_FLOAT_EQ(-0.1, myState7[0]);
277  EXPECT_FLOAT_EQ(-0.1, myState7[1]);
278  EXPECT_FLOAT_EQ(1, myState7[2]);
279  EXPECT_FLOAT_EQ(-0.57735, myState7[3]);
280  EXPECT_FLOAT_EQ(-0.57735, myState7[4]);
281  EXPECT_FLOAT_EQ(0.57735, myState7[5]);
282  EXPECT_FLOAT_EQ(-1, myState7[6]);
283 
284  EXPECT_EQ(-1, myStateOnPlane.getState()[0]);
285  EXPECT_EQ(1, myStateOnPlane.getState()[1]);
286  EXPECT_EQ(1, myStateOnPlane.getState()[2]);
287  EXPECT_EQ(0.1, myStateOnPlane.getState()[3]);
288  EXPECT_EQ(0.1, myStateOnPlane.getState()[4]);
289  }
290 
292  TEST_F (RKTrackRepTests, calcJ_pM_5x7) {
293  // TODO: Implement
294  }
295 
297  TEST_F (RKTrackRepTests, transformPM6) {
298  // TODO: Implement
299  }
300 
302  TEST_F (RKTrackRepTests, calcJ_Mp_7x5) {
303  // TODO: Implement
304  }
305 
307  TEST_F (RKTrackRepTests, calcForwardJacobianAndNoise) {
308  const TVector3 startPlaneO(0, 0, 1);
309  const TVector3 startPlaneN(0, 0, 1);
310  const TVector3 destPlaneO(0, 0, -1);
311  const TVector3 destPlaneN(0, 0, 1);
312 
313  genfit::RKTrackRep myRKTrackRep;
314  genfit::DetPlane myStartPlane(startPlaneO, startPlaneN);
315  genfit::DetPlane myDestPlane(destPlaneO, destPlaneN);
316  genfit::M1x7 myStartState;
317  genfit::M1x7 myDestState;
318 
319  EXPECT_EQ(0, myRKTrackRep.ExtrapSteps_.size());
320  EXPECT_THROW(myRKTrackRep.calcForwardJacobianAndNoise(myStartState, myStartPlane, myDestState, myDestPlane),
321  genfit::Exception);
322  }
323 
325  TEST_F (RKTrackRepTests, transformM6P) {
326  // TODO: Implement
327  }
328 
330  TEST_F (RKTrackRepTests, RKutta) {
331  // TODO: Implement
332  }
333 
335  TEST_F (RKTrackRepTests, estimateStep) {
336  // TODO: Implement
337  }
338 
340  TEST_F (RKTrackRepTests, Extrap) {
341  // TODO: Implement
342  }
343 
345  TEST_F (RKTrackRepTests, momMag) {
346  genfit::RKTrackRep myRKTrackRep;
347  genfit::M1x7 myState7 = {0, 0, 0, 0, 0, 0, 0};
348  EXPECT_EQ(std::numeric_limits<double>::infinity(), myRKTrackRep.momMag(myState7));
349  myState7 = {0, 0, 0, 0, 0, 0, 1};
350  EXPECT_EQ(1.0, myRKTrackRep.momMag(myState7));
351  myState7 = {0, 0, 0, 0, 0, 0, -1};
352  EXPECT_EQ(1.0, myRKTrackRep.momMag(myState7));
353  }
354 
355 }