cubrot
C CUBROT SOURCE CHAT 07/10/22 21:15:36 5921 implicit real*8(A-H,O-Z) implicit integer (I-N) * SUBROUTINE CUBEROT(X,RR) * * * IMPLICIT NONE * * * --- VARIABLES GLOBALES * * REAL *8 X(24) * * REAL *8 RR(3,3) dimension X(24),RR(3,3) * * * --- VARIABLES LOCALES * * REAL *8 AUX,AA * * DIMENSION VB(8,3) DATA VB/-1.D0, 1.D0, 1.D0,-1.D0,-1.D0, 1.D0, 1.D0,-1.D0, & -1.D0,-1.D0, 1.D0, 1.D0,-1.D0,-1.D0, 1.D0, 1.D0, & -1.D0,-1.D0,-1.D0,-1.D0, 1.D0, 1.D0, 1.D0, 1.D0/ * RR(1,1)= - X(1) + X(4) + X(7) - X(10) & - X(13) + X(16) + X(19) - X(22) RR(1,2)= - X(2) + X(5) + X(8) - X(11) & - X(14) + X(17) + X(20) - X(23) RR(1,3)= - X(3) + X(6) + X(9) - X(12) & - X(15) + X(18) + X(21) - X(24) * RR(2,1)= - X(1) - X(4) + X(7) + X(10) & - X(13) - X(16) + X(19) + X(22) RR(2,2)= - X(2) - X(5) + X(8) + X(11) & - X(14) - X(17) + X(20) + X(23) RR(2,3)= - X(3) - X(6) + X(9) + X(12) & - X(15) - X(18) + X(21) + X(24) * AUX= RR(1,1)*RR(1,1)+RR(1,2)*RR(1,2)+RR(1,3)*RR(1,3) AA = RR(1,1)*RR(2,1)+RR(1,2)*RR(2,2)+RR(1,3)*RR(2,3) AA = -(AA/AUX) * RR(2,1)= RR(2,1) + AA*RR(1,1) RR(2,2)= RR(2,2) + AA*RR(1,2) RR(2,3)= RR(2,3) + AA*RR(1,3) * RR(3,1)= RR(1,2)*RR(2,3) - RR(1,3)*RR(2,2) RR(3,2)= RR(1,3)*RR(2,1) - RR(1,1)*RR(2,3) RR(3,3)= RR(1,1)*RR(2,2) - RR(1,2)*RR(2,1) * AUX = SQRT(AUX) RR(1,1)= RR(1,1)/AUX RR(1,2)= RR(1,2)/AUX RR(1,3)= RR(1,3)/AUX * AUX = SQRT(RR(2,1)*RR(2,1)+RR(2,2)*RR(2,2)+RR(2,3)*RR(2,3)) RR(2,1)= RR(2,1)/AUX RR(2,2)= RR(2,2)/AUX RR(2,3)= RR(2,3)/AUX * AUX = SQRT(RR(3,1)*RR(3,1)+RR(3,2)*RR(3,2)+RR(3,3)*RR(3,3)) RR(3,1)= RR(3,1)/AUX RR(3,2)= RR(3,2)/AUX RR(3,3)= RR(3,3)/AUX * * RETURN END
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