GEANT321/erdecks/erbcer.F

   1 *
   2 * $Id$
   3 *
   4 * $Log$
   5 * Revision 1.1.1.1  1996/03/06 15:37:34  mclareni
   6 * Add geane321 source directories
   7 *
   8 *
   9 #include "geant321/pilot.h"
  10 *CMZ :  3.21/02 29/03/94  15.41.49  by  S.Giani
  11 *-- Author :
  12       SUBROUTINE ERBCER (E)
  13 *
  14 C.    ******************************************************************
  15 C.    *                                                                *
  16 C.    *       After the back-tracking transforms the error matrix      *
  17 C.    *                  back to the original                          *
  18 C.    *                  particle direction                            *
  19 C.    *                                                                *
  20 C.    *       Arguments                                                *
  21 C.    *           E        - Error Matrix (Triangular)                 *
  22 C.    *                                                                *
  23 C.    *    ==>Called by : ERPEND                                       *
  24 C.    *       Author    E.Nagy  *********                              *
  25 C.    *                                                                *
  26 C.    ******************************************************************
  27 *
  28          DIMENSION E(15)
  29 *
  30       J = 0
  31       DO 10 I = 1, 5
  32          DO 5 K = I, 5
  33             J = J + 1
  34             IF (I.EQ.2) E(J) = -E(J)
  35             IF (K.EQ.2) E(J) = -E(J)
  36             IF (I.EQ.4) E(J) = -E(J)
  37             IF (K.EQ.4) E(J) = -E(J)
  38     5    CONTINUE
  39    10 CONTINUE
  40 *                                                           END ERBCER
  41       END