5 * Revision 1.1.1.1 1996/03/06 15:37:36 mclareni
6 * Add geane321 source directories
9 #include "geant321/pilot.h"
10 *CMZ : 3.21/02 29/03/94 15.41.50 by S.Giani
12 SUBROUTINE SSMT5T(A,S,R)
13 C *** ------------------------------------------------------ 05/07/81
14 C *** TRANSFORMATION OF SYMMETRIC 5X5 MATRIX S: A*S*AT -> R.
15 C *** A IS A GENERAL 5X5 MATRIX WHEREAS S,R ARE SYMMETRIC
16 C *** MATRICES STORED IN TRIANGULAR FORM. FOR:I,J=1,5
17 C *** R(I,J) = SUM:K=1,5(SUM:L=1,5(A(I,L)*S(L,K)*A(J,K))).
18 C *** NB: S AND R MAY WELL BE THE SAME MATRIX.
20 C Author: A. Haas (Freiburg University)
22 C *** ------------------------------------------------------
23 #if !defined(CERNLIB_SINGLE)
24 DOUBLE PRECISION A,S,R,Q,T1,T2,T3,T4,T5
26 DIMENSION A(25),S(15),R(15),Q(15)
38 R(K)=A(I )*(Q(1)*T1+Q(2)*T2+Q( 3)*T3+Q( 4)*T4+Q( 5)*T5)
39 + +A(I+ 5)*(Q(2)*T1+Q(6)*T2+Q( 7)*T3+Q( 8)*T4+Q( 9)*T5)
40 + +A(I+10)*(Q(3)*T1+Q(7)*T2+Q(10)*T3+Q(11)*T4+Q(12)*T5)
41 + +A(I+15)*(Q(4)*T1+Q(8)*T2+Q(11)*T3+Q(13)*T4+Q(14)*T5)
42 + +A(I+20)*(Q(5)*T1+Q(9)*T2+Q(12)*T3+Q(14)*T4+Q(15)*T5)