BOSS 7.0.5
BESIII Offline Software System
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InstallArea/include/MdcTrkRecon/MdcTrkRecon/mdcTwoInv.h
Go to the documentation of this file.
1inline int mdcTwoInv( double matrix[3], double invmat[3]) {
2
3 double det = matrix[0] * matrix[2] - matrix[1] * matrix[1];
4 if (det == 0.0) {
5 invmat[0] = invmat[2] = invmat[1] = 0.00000;
6 return 1;
7 }
8 else {
9 double detinv = 1./det;
10 invmat[0] = matrix[2] * detinv;
11 invmat[2] = matrix[0] * detinv;
12 invmat[1] = -matrix[1] * detinv;
13 return 0;
14 }
15}
16
int mdcTwoInv(double matrix[3], double invmat[3])