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QuantumPackage/plugins/local/tuto_plugins/tuto_I/test_cholesky.irp.f
2024-05-15 15:41:35 +02:00

54 lines
1.5 KiB
Fortran

program my_program_to_print_stuffs
implicit none
BEGIN_DOC
! TODO : Put the documentation of the program here
END_DOC
integer :: i,j,k,l,m
double precision :: integral, accu, accu_tot, integral_cholesky
double precision :: get_ao_two_e_integral, get_two_e_integral ! declaration of the functions
print*,'AO integrals, physicist notations : <i j|k l>'
accu_tot = 0.D0
do i = 1, ao_num
do j = 1, ao_num
do k = 1, ao_num
do l = 1, ao_num
integral = get_ao_two_e_integral(i, j, k, l, ao_integrals_map)
integral_cholesky = 0.D0
do m = 1, cholesky_ao_num
integral_cholesky += cholesky_ao_transp(m,i,k) * cholesky_ao_transp(m,j,l)
enddo
accu = dabs(integral_cholesky-integral)
accu_tot += accu
if(accu.gt.1.d-10)then
print*,i,j,k,l
print*,accu, integral, integral_cholesky
endif
enddo
enddo
enddo
enddo
print*,'accu_tot',accu_tot
print*,'MO integrals, physicist notations : <i j|k l>'
do i = 1, mo_num
do j = 1, mo_num
do k = 1, mo_num
do l = 1, mo_num
integral = get_two_e_integral(i, j, k, l, mo_integrals_map)
accu = 0.D0
integral_cholesky = 0.D0
do m = 1, cholesky_mo_num
integral_cholesky += cholesky_mo_transp(m,i,k) * cholesky_mo_transp(m,j,l)
enddo
accu = dabs(integral_cholesky-integral)
accu_tot += accu
if(accu.gt.1.d-10)then
print*,i,j,k,l
print*,accu, integral, integral_cholesky
endif
enddo
enddo
enddo
enddo
end