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