do i=ithet_start,ithet_end
C Zero the energy function and its derivative at 0 or pi.
call splinthet(theta(i),0.5d0*delta,ss,ssd)
- it=iabs(itype(i-1))
+ it=(itype(i-1))
+ ichir1=isign(1,itype(i-2))
+ ichir2=isign(1,itype(i))
+ if (itype(i-2).eq.10) ichir1=isign(1,itype(i-1))
+ if (itype(i).eq.10) ichir2=isign(1,itype(i-1))
+ if (itype(i-1).eq.10) then
+ itype1=isign(10,itype(i-2))
+ ichir11=isign(1,itype(i-2))
+ ichir12=isign(1,itype(i-2))
+ itype2=isign(10,itype(i))
+ ichir21=isign(1,itype(i))
+ ichir22=isign(1,itype(i))
+ endif
if (i.gt.3) then
#ifdef OSF
phii=phi(i)
C In following comments this theta will be referred to as t_c.
thet_pred_mean=0.0d0
do k=1,2
- athetk=athet(k,it)
- bthetk=bthet(k,it)
+ athetk=athet(k,it,ichir1,ichir2)
+ bthetk=bthet(k,it,ichir1,ichir2)
+ if (it.eq.10) then
+ athetk=athet(k,itype1,ichir11,ichir12)
+ bthetk=bthet(k,itype2,ichir21,ichir22)
+ endif
thet_pred_mean=thet_pred_mean+athetk*y(k)+bthetk*z(k)
enddo
dthett=thet_pred_mean*ssd
thet_pred_mean=thet_pred_mean*ss+a0thet(it)
C Derivatives of the "mean" values in gamma1 and gamma2.
- dthetg1=(-athet(1,it)*y(2)+athet(2,it)*y(1))*ss
- dthetg2=(-bthet(1,it)*z(2)+bthet(2,it)*z(1))*ss
+ dthetg1=(-athet(1,it,ichir1,ichir2)*y(2)
+ &+athet(2,it,ichir1,ichir2)*y(1))*ss
+ dthetg2=(-bthet(1,it,ichir1,ichir2)*z(2)
+ & +bthet(2,it,ichir1,ichir2)*z(1))*ss
+ if (it.eq.10) then
+ dthetg1=(-athet(1,itype1,ichir11,ichir12)*y(2)
+ &+athet(2,itype1,ichir11,ichir12)*y(1))*ss
+ dthetg2=(-bthet(1,itype2,ichir21,ichir22)*z(2)
+ & +bthet(2,itype2,ichir21,ichir22)*z(1))*ss
+ endif
if (theta(i).gt.pi-delta) then
call theteng(pi-delta,thet_pred_mean,theta0(it),f0,fprim0,
& E_tc0)
itori1=itortyp(itype(i-1))
itori2=itortyp(itype(i))
iblock=1
- if (iabs(itype(i+1).eq.20)) iblock=2
+ if (iabs(itype(i+1)).eq.20) iblock=2
phii=phi(i)
phii1=phi(i+1)
gloci1=0.0D0