#include "isajet/pilot.h"
C-----------------------------------------------------------------
      SUBROUTINE SURG26(T,G,F)
C-----------------------------------------------------------------
C
C     Right hand side of full renormalization group equations
C          dG_i/dT = F_i(G)
C     using the thresholds MSS for each mass calculated with the 
C     couplings G0 frozen by SUGFRZ. 
C
#if defined(CERNLIB_IMPNONE)
      IMPLICIT NONE
#endif
#include "isajet/sslun.inc"
#include "isajet/sugmg.inc"
#include "isajet/sugpas.inc"
      REAL T,G(26),F(26)
      REAL FAC,COSB,TH2LP,B3,B2,XTAU,XT,XB,B1,THTOP,B12,B11,TANB,MT,
     $MZ,Q,B33,B32,PI,SINB,BETA,B21,B13,B22,B31,B23
      REAL A11,A12,A13,A21,A22,A23,A31,A32,A33
      REAL C11,C12,C13,C21,C22,C23,C31,C32,C33
      REAL D11,D12,D13,D21,D22,D23,D31,D32,D33
      INTEGER NSL,NSD,NSE,NSW,NSH,NSU,NSQ,NH,NSG,NU,NE,ND,NN
C
      DATA MZ/91.17/
      DATA ND/3/,NE/3/,NN/3/
      DATA B11/7.96/,B12/5.4/,B13/17.6/,B21/1.8/,B22/25./,B23/24./
      DATA B31/2.2/,B32/9./,B33/14./
      DATA A11/5.2/,A12/2.8/,A13/3.6/,A21/6./,A22/6./,A23/2./
      DATA A31/4./,A32/4./,A33/0./
      DATA C11/1.7/,C12/.5/,C13/1.5/,C21/1.5/,C22/1.5/,C23/.5/
      DATA C31/2./,C32/2./,C33/0./
      DATA D11/3.98/,D12/2.7/,D13/8.8/,D21/.9/,D22/5.833/,D23/12./
      DATA D31/1.1/,D32/4.5/,D33/-26./
C
C-----THESE ARE VALID FROM MZ TO MGUT --------------------------------
      PI=4.*ATAN(1.)
      TANB=XTANB
      MT=AMT
      Q=MGUT*EXP(T)
      BETA=ATAN(TANB)
      SINB=SIN(BETA)
      COSB=SQRT(1.-SINB**2)
      FAC=2./16./PI**2
C-----CALCULATE 1-LOOP THRESHOLD EFFECTS -----------------------------
      IF (Q.GT.MSUSY) THEN
        TH2LP=1.
      ELSE
        TH2LP=0.
      END IF
      IF (Q.GT.MSS(2)) THEN
        NSQ=3
        NSU=3
        NSD=3
      ELSE
        NSQ=0
        NSU=0
        NSD=0
      END IF
      IF (Q.GT.MSS(17)) THEN
        NSL=3
        NSE=3
      ELSE
        NSL=0
        NSE=0
      END IF
      IF (Q.GT.ABS(MU)) THEN
        NSH=2
      ELSE 
        NSH=0
      END IF
      IF (Q.GT.ABS(MSS(27))) THEN
        NSW=1
      ELSE
        NSW=0
      END IF
      IF (Q.GT.MSS(1)) THEN
        NSG=1
      ELSE
        NSG=0
      END IF
      IF (Q.GT.MSS(31)) THEN
        NH=2
      ELSE
        NH=1
      END IF
      IF (Q.GT.MT) THEN
        NU=3
        THTOP=1.
      ELSE
        NU=2
        THTOP=0.
      END IF
      TH2LP=1.
      THTOP=1.
      B1=2.*(17*NU/12.+5*ND/12.+5*NE/4.+NN/4.)/5.+
     $ NSQ/30.+4*NSU/15.+NSD/15.+NSL/10.+NSE/5.+
     $ 1.*NSH/5.+1.*NH/10.
      B2=-22./3.+.5*(NU+ND)+1.*(NE+NN)/6.+
     $ 1.*NSQ/2.+1.*NSL/6.+1.*NSH/3.+1.*NH/6.+4.*NSW/3.
      B3=2.*(NU+ND)/3.+1.*NSQ/3.+1.*NSU/6.+1.*NSD/6.+2.*NSG-11.
      IF (Q.GT.MSUSY) THEN
      F(1)=G(1)/16./PI**2*(B1*G(1)**2+TH2LP/16./PI**2*G(1)**2*
     $(B11*G(1)**2+B12*G(2)**2+B13*G(3)**2-A11*G(6)**2-A12*G(5)**2
     $-A13*G(4)**2))
      F(2)=G(2)/16./PI**2*(B2*G(2)**2+TH2LP/16./PI**2*G(2)**2*
     $(B21*G(1)**2+B22*G(2)**2+B23*G(3)**2-A21*G(6)**2-A22*G(5)**2
     $-A23*G(4)**2))
      F(3)=G(3)/16./PI**2*(B3*G(3)**2+TH2LP/16./PI**2*G(3)**2*
     $(B31*G(1)**2+B32*G(2)**2+B33*G(3)**2-A31*G(6)**2-A32*G(5)**2
     $-A33*G(4)**2))
      ELSE
      F(1)=G(1)/16./PI**2*(B1*G(1)**2+TH2LP/16./PI**2*G(1)**2*
     $(D11*G(1)**2+D12*G(2)**2+D13*G(3)**2-C11*G(6)**2-C12*G(5)**2
     $-C13*G(4)**2))
      F(2)=G(2)/16./PI**2*(B2*G(2)**2+TH2LP/16./PI**2*G(2)**2*
     $(D21*G(1)**2+D22*G(2)**2+D23*G(3)**2-C21*G(6)**2-C22*G(5)**2
     $-C23*G(4)**2))
      F(3)=G(3)/16./PI**2*(B3*G(3)**2+TH2LP/16./PI**2*G(3)**2*
     $(D31*G(1)**2+D32*G(2)**2+D33*G(3)**2-C31*G(6)**2-C32*G(5)**2
     $-C33*G(4)**2))
      ENDIF
      IF (Q.LT.MSUSY) THEN
        F(4)=G(4)/16./PI**2*(5*G(4)**2*COSB**2/2.+3*G(6)**2*SINB**2*
     $   THTOP+3*G(5)**2*COSB**2-9*G(1)**2/4.-9*G(2)**2/4.
     $   -SINB**2*(3*G(6)**2*THTOP-3*G(5)**2-G(4)**2))
        F(5)=G(5)/16./PI**2*(9*G(5)**2*COSB**2/2.+3*G(6)**2*SINB**2*
     $   THTOP/2.+G(4)**2*COSB**2-G(1)**2/4.-9*G(2)**2/4.
     $   -8*G(3)**2-SINB**2*(3*G(6)**2*THTOP-3*G(5)**2-G(4)**2))
        F(6)=G(6)/16./PI**2*(9*G(6)**2*SINB**2/2.*THTOP+
     $   3*G(5)**2*COSB**2/2.+G(4)**2*COSB**2-17.*G(1)**2/20.
     $   -9*G(2)**2/4.-8*G(3)**2+COSB**2*
     $   (3*G(6)**2*THTOP-3*G(5)**2-G(4)**2))
      ELSE
        F(4)=G(4)/16./PI**2*(4*G(4)**2+3*G(5)**2-
     $        9*G(1)**2/5.-3*G(2)**2)
        F(5)=G(5)/16./PI**2*(6*G(5)**2+G(6)**2*THTOP+
     $        G(4)**2-7*G(1)**2/15.-3*G(2)**2-16*G(3)**2/3.)
        F(6)=G(6)/16./PI**2*(6*G(6)**2*THTOP+G(5)**2-
     $        13*G(1)**2/15.-3*G(2)**2-16*G(3)**2/3.)
      END IF
      F(7)=FAC*B1*G(1)**2*G(7)
      F(8)=FAC*B2*G(2)**2*G(8)
      F(9)=FAC*B3*G(3)**2*G(9)
      F(10)=FAC*(9*G(1)**2*G(7)/5.+3*G(2)**2*G(8)+3*G(5)**2*G(11)+
     $       4*G(4)**2*G(10))
      F(11)=FAC*(7*G(1)**2*G(7)/15.+3*G(2)**2*G(8)+16*G(3)**2*G(9)/3.+
     $       6*G(5)**2*G(11)+G(6)**2*G(12)+G(4)**2*G(10))
      F(12)=FAC*(13*G(1)**2*G(7)/15.+3*G(2)**2*G(8)+16*G(3)**2*G(9)/3.+
     $       G(5)**2*G(11)+6*G(6)**2*G(12))
      XTAU=G(21)+G(20)+G(13)+G(10)**2
      XB=G(24)+G(22)+G(13)+G(11)**2
      XT=G(24)+G(23)+G(14)+G(12)**2
      F(13)=FAC*(-.6*G(1)**2*G(7)**2-3*G(2)**2*G(8)**2+
     $       3*G(5)**2*XB+G(4)**2*XTAU)
      F(14)=FAC*(-.6*G(1)**2*G(7)**2-3*G(2)**2*G(8)**2+3*G(6)**2*XT)
      F(15)=-2.4*FAC*G(1)**2*G(7)**2
      F(16)=FAC*(-.6*G(1)**2*G(7)**2-3*G(2)**2*G(8)**2)
      F(17)=FAC*(-4*G(1)**2*G(7)**2/15.-16*G(3)**2*G(9)**2/3.)
      F(18)=FAC*(-16*G(1)**2*G(7)**2/15.-16*G(3)**2*G(9)**2/3.)
      F(19)=FAC*(-G(1)**2*G(7)**2/15.-3*G(2)**2*G(8)**2-
     $       16*G(3)**2*G(9)**2/3.)
      F(20)=FAC*(-2.4*G(1)**2*G(7)**2+2*G(4)**2*XTAU)
      F(21)=FAC*(-.6*G(1)**2*G(7)**2-3*G(2)**2*G(8)**2+G(4)**2*XTAU)
      F(22)=FAC*(-4*G(1)**2*G(7)**2/15.-16*G(3)**2*G(9)**2/3.+
     $       2*G(5)**2*XB)
      F(23)=FAC*(-16*G(1)**2*G(7)**2/15.-16*G(3)**2*G(9)**2/3.+
     $       2*G(6)**2*XT)
      F(24)=FAC*(-G(1)**2*G(7)**2/15.-3*G(2)**2*G(8)**2-
     $       16*G(3)**2*G(9)**2/3.+G(6)**2*XT+G(5)**2*XB)
      F(25)=FAC*G(25)/2.*(-.6*G(1)**2-3*G(2)**2+3*G(6)**2+
     $       3*G(5)**2+G(4)**2)
      F(26)=FAC*(.6*G(1)**2*G(7)+3*G(2)**2*G(8)+3*G(6)**2*G(12)+
     $       3*G(5)**2*G(11)+G(4)**2*G(10))
      RETURN
      END