DEHam/src/nt1.irp.f

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2016-12-19 23:26:16 +01:00
BEGIN_PROVIDER [integer(kind=selected_int_kind(16)), nt1]
BEGIN_DOC
! calculates the number of det the 3's moving
END_DOC
implicit none
integer(kind=selected_int_kind(16))::natom2
! call combin(idet1(1,nt1+1),natom,ntrou,nt1,32,jrangmax)
natom2=natom
if(FAM1) then
if(fix_trou1 .eq. fix_trou2) then
natom2=natom/2
else
natom2 = fix_trou2 - fix_trou1
endif
endif
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nt1= nint(gamma(real(natom2+1,16))/(gamma(real(natom2-ntrou+1,16))*gamma(real(ntrou+1,16))),selected_int_kind(16))
write(6,*)'nt1',nt1
END_PROVIDER