File indexing completed on 2024-04-06 12:29:11
0001 #include "RecoVertex/KinematicFit/interface/CombinedKinematicConstraint.h"
0002
0003 AlgebraicVector CombinedKinematicConstraint::value(const std::vector<KinematicState>& states,
0004 const GlobalPoint& point) const {
0005 AlgebraicVector tmpValue;
0006 int size = 0;
0007 for (std::vector<MultiTrackKinematicConstraint*>::const_iterator it = constraints.begin(); it != constraints.end();
0008 ++it) {
0009 tmpValue = (*it)->value(states, point);
0010 size += tmpValue.num_row();
0011 }
0012 AlgebraicVector values(size);
0013 int position = 1;
0014 for (std::vector<MultiTrackKinematicConstraint*>::const_iterator it = constraints.begin(); it != constraints.end();
0015 ++it) {
0016 tmpValue = (*it)->value(states, point);
0017 values.sub(position, tmpValue);
0018 position += tmpValue.num_row();
0019 }
0020
0021 return values;
0022 }
0023
0024 AlgebraicMatrix CombinedKinematicConstraint::parametersDerivative(const std::vector<KinematicState>& states,
0025 const GlobalPoint& point) const {
0026 AlgebraicMatrix tmpMatrix;
0027 int row = 0;
0028 for (std::vector<MultiTrackKinematicConstraint*>::const_iterator it = constraints.begin(); it != constraints.end();
0029 ++it) {
0030 tmpMatrix = (*it)->parametersDerivative(states, point);
0031 row += tmpMatrix.num_row();
0032 }
0033 AlgebraicMatrix matrix(row, 7 * states.size(), 0);
0034 int posRow = 1;
0035 for (std::vector<MultiTrackKinematicConstraint*>::const_iterator it = constraints.begin(); it != constraints.end();
0036 ++it) {
0037 tmpMatrix = (*it)->parametersDerivative(states, point);
0038 matrix.sub(posRow, 1, tmpMatrix);
0039 posRow += tmpMatrix.num_row();
0040 }
0041
0042 return matrix;
0043 }
0044
0045 AlgebraicMatrix CombinedKinematicConstraint::positionDerivative(const std::vector<KinematicState>& states,
0046 const GlobalPoint& point) const {
0047 AlgebraicMatrix tmpMatrix;
0048 int row = 0;
0049 for (std::vector<MultiTrackKinematicConstraint*>::const_iterator it = constraints.begin(); it != constraints.end();
0050 ++it) {
0051 tmpMatrix = (*it)->positionDerivative(states, point);
0052 row += tmpMatrix.num_row();
0053 }
0054 AlgebraicMatrix matrix(row, 3, 0);
0055 int posRow = 1;
0056 for (std::vector<MultiTrackKinematicConstraint*>::const_iterator it = constraints.begin(); it != constraints.end();
0057 ++it) {
0058 tmpMatrix = (*it)->positionDerivative(states, point);
0059 matrix.sub(posRow, 1, tmpMatrix);
0060 posRow += tmpMatrix.num_row();
0061 }
0062
0063 return matrix;
0064 }
0065
0066 int CombinedKinematicConstraint::numberOfEquations() const {
0067 int noEq = 0;
0068 for (std::vector<MultiTrackKinematicConstraint*>::const_iterator it = constraints.begin(); it != constraints.end();
0069 ++it)
0070 noEq += (*it)->numberOfEquations();
0071
0072 return noEq;
0073 }
