SUBROUTINE SIMP2(A,M,N,MP,NP,L2,NL2,IP,KP,Q1) implicit double precision (a-h,o-z) PARAMETER (EPS=1.d-6) DIMENSION A(MP,NP),L2(MP) IP=0 IF(NL2.LT.1)RETURN DO 11 I=1,NL2 IF(A(L2(I)+1,KP+1).LT.-EPS)GO TO 2 11 CONTINUE RETURN 2 Q1=-A(L2(I)+1,1)/A(L2(I)+1,KP+1) IP=L2(I) IF(I+1.GT.NL2)RETURN DO 13 I=I+1,NL2 II=L2(I) IF(A(II+1,KP+1).LT.-EPS)THEN Q=-A(II+1,1)/A(II+1,KP+1) IF(Q.LT.Q1)THEN IP=II Q1=Q ELSE IF (Q.EQ.Q1) THEN DO 12 K=1,N QP=-A(IP+1,K+1)/A(IP+1,KP+1) Q0=-A(II+1,K+1)/A(II+1,KP+1) IF(Q0.NE.QP)GO TO 6 12 CONTINUE 6 IF(Q0.LT.QP)IP=II ENDIF ENDIF 13 CONTINUE RETURN END