mirror of https://github.com/LCPQ/DEHam
21 lines
585 B
Fortran
21 lines
585 B
Fortran
use iso_c_binding
|
|
BEGIN_PROVIDER [integer(C_SIZE_T), nt1]
|
|
BEGIN_DOC
|
|
! calculates the number of det the 3's moving
|
|
END_DOC
|
|
implicit none
|
|
integer(C_SIZE_T)::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
|
|
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
|