+C first setting the theta boundaries to 0 to pi
+C this mean that there is no energy penalty for any angle occuring this can be applied
+C for generate random conformation but is not implemented in this way
+C do i=1,nres
+C thetabound(1,i)=0
+C thetabound(2,i)=pi
+C enddo
+C begin reading theta constrains this is quartic constrains allowing to
+C have smooth second derivative
+ if (with_theta_constr) then
+C with_theta_constr is keyword allowing for occurance of theta constrains
+ read (inp,*) ntheta_constr
+C ntheta_constr is the number of theta constrains
+ if (ntheta_constr.gt.0) then
+C read (inp,*) ftors
+ read (inp,*) (itheta_constr(i),theta_constr0(i),
+ & theta_drange(i),for_thet_constr(i),
+ & i=1,ntheta_constr)
+C the above code reads from 1 to ntheta_constr
+C itheta_constr(i) residue i for which is theta_constr
+C theta_constr0 the global minimum value
+C theta_drange is range for which there is no energy penalty
+C for_thet_constr is the force constant for quartic energy penalty
+C E=k*x**4
+ if(me.eq.king.or..not.out1file)then
+ write (iout,*)
+ & 'There are',ntheta_constr,' constraints on phi angles.'
+ do i=1,ntheta_constr
+ write (iout,'(i5,3f8.3)') itheta_constr(i),theta_constr0(i),
+ & theta_drange(i),
+ & for_thet_constr(i)
+ enddo
+ endif
+ do i=1,ntheta_constr
+ theta_constr0(i)=deg2rad*theta_constr0(i)
+ theta_drange(i)=deg2rad*theta_drange(i)
+ enddo
+C if(me.eq.king.or..not.out1file)
+C & write (iout,*) 'FTORS',ftors
+C do i=1,ntheta_constr
+C ii = itheta_constr(i)
+C thetabound(1,ii) = phi0(i)-drange(i)
+C thetabound(2,ii) = phi0(i)+drange(i)
+C enddo
+ endif ! ntheta_constr.gt.0
+ endif! with_theta_constr
+C
+C with_dihed_constr = index(controlcard,"WITH_DIHED_CONSTR").gt.0
+C write (iout,*) "with_dihed_constr ",with_dihed_constr