BOSS_7.0.2: /home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Reconstruction/MdcPatRec/MdcTrkRecon/MdcTrkRecon-00-03-45/MdcTrkRecon/mdcTwoVec.h Source File

00001 /* Multiply a symmetric 2-d matrix by a vector. */
00002 
00003 inline void mdcTwoVec(const double matrix[3], const double invect[2], 
00004                       double outvect[2]) {
00005 
00006   double buffvec[2];   /* Buffer the output in case outvect = invect. */
00007 
00008   /************************************************************************/
00009 
00010   buffvec[0] = matrix[0] * invect[0] + matrix[1] * invect[1];
00011   buffvec[1] = matrix[1] * invect[0] + matrix[2] * invect[1];
00012 
00013   outvect[0] = buffvec[0];
00014   outvect[1] = buffvec[1];
00015 
00016   return;
00017 }