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QuantumPackage/plugins/local/non_h_ints_mu/jast_1e_utils.irp.f
2024-01-15 23:35:26 +01:00

182 lines
6.7 KiB
Fortran

! ---
BEGIN_PROVIDER [double precision, int2_grad1_u2b_ao, (ao_num, ao_num, n_points_final_grid, 3)]
BEGIN_DOC
!
! int2_grad1_u2b_ao(i,j,ipoint,:) = \int dr2 [-1 * \grad_r1 J_2b(r1,r2)] \phi_i(r2) \phi_j(r2)
!
! where r1 = r(ipoint)
!
END_DOC
implicit none
integer :: ipoint, i, j, m, jpoint
double precision :: time0, time1
double precision :: x, y, z, r2
double precision :: dx, dy, dz
double precision :: tmp_ct
double precision :: tmp0, tmp1, tmp2
double precision :: tmp0_x, tmp0_y, tmp0_z
double precision :: tmp1_x, tmp1_y, tmp1_z
PROVIDE j2e_type
call wall_time(time0)
print*, ' providing int2_grad1_u2b_ao ...'
if(tc_integ_type .eq. "numeric") then
! TODO combine 1shot & int2_grad1_u12_ao_num
PROVIDE int2_grad1_u12_ao_num
int2_grad1_u2b_ao = int2_grad1_u12_ao_num
!PROVIDE int2_grad1_u12_ao_num_1shot
!int2_grad1_u2b_ao = int2_grad1_u12_ao_num_1shot
elseif(tc_integ_type .eq. "semi-analytic") then
! ---
if((j2e_type .eq. "rs-dft") .and. (env_type .eq. "none")) then
PROVIDE v_ij_erf_rk_cst_mu x_v_ij_erf_rk_cst_mu
int2_grad1_u2b_ao = 0.d0
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (ipoint, i, j, x, y, z, tmp1) &
!$OMP SHARED ( ao_num, n_points_final_grid, final_grid_points &
!$OMP , v_ij_erf_rk_cst_mu, x_v_ij_erf_rk_cst_mu, int2_grad1_u2b_ao)
!$OMP DO SCHEDULE (static)
do ipoint = 1, n_points_final_grid
x = final_grid_points(1,ipoint)
y = final_grid_points(2,ipoint)
z = final_grid_points(3,ipoint)
do j = 1, ao_num
do i = 1, ao_num
tmp1 = v_ij_erf_rk_cst_mu(i,j,ipoint)
int2_grad1_u2b_ao(i,j,ipoint,1) = 0.5d0 * (tmp1 * x - x_v_ij_erf_rk_cst_mu(i,j,ipoint,1))
int2_grad1_u2b_ao(i,j,ipoint,2) = 0.5d0 * (tmp1 * y - x_v_ij_erf_rk_cst_mu(i,j,ipoint,2))
int2_grad1_u2b_ao(i,j,ipoint,3) = 0.5d0 * (tmp1 * z - x_v_ij_erf_rk_cst_mu(i,j,ipoint,3))
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
elseif((j2e_type .eq. "rs-dft") .and. (env_type .eq. "prod-gauss")) then
PROVIDE env_type env_val env_grad
PROVIDE v_ij_erf_rk_cst_mu_env v_ij_u_cst_mu_env_an x_v_ij_erf_rk_cst_mu_env
int2_grad1_u2b_ao = 0.d0
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (ipoint, i, j, x, y, z, tmp0, tmp1, tmp2, tmp0_x, tmp0_y, tmp0_z) &
!$OMP SHARED (ao_num, n_points_final_grid, final_grid_points, env_val, env_grad, &
!$OMP v_ij_erf_rk_cst_mu_env, v_ij_u_cst_mu_env_an, x_v_ij_erf_rk_cst_mu_env, int2_grad1_u2b_ao)
!$OMP DO SCHEDULE (static)
do ipoint = 1, n_points_final_grid
x = final_grid_points(1,ipoint)
y = final_grid_points(2,ipoint)
z = final_grid_points(3,ipoint)
tmp0 = 0.5d0 * env_val(ipoint)
tmp0_x = env_grad(1,ipoint)
tmp0_y = env_grad(2,ipoint)
tmp0_z = env_grad(3,ipoint)
do j = 1, ao_num
do i = 1, ao_num
tmp1 = tmp0 * v_ij_erf_rk_cst_mu_env(i,j,ipoint)
tmp2 = v_ij_u_cst_mu_env_an(i,j,ipoint)
int2_grad1_u2b_ao(i,j,ipoint,1) = tmp1 * x - tmp0 * x_v_ij_erf_rk_cst_mu_env(i,j,ipoint,1) - tmp2 * tmp0_x
int2_grad1_u2b_ao(i,j,ipoint,2) = tmp1 * y - tmp0 * x_v_ij_erf_rk_cst_mu_env(i,j,ipoint,2) - tmp2 * tmp0_y
int2_grad1_u2b_ao(i,j,ipoint,3) = tmp1 * z - tmp0 * x_v_ij_erf_rk_cst_mu_env(i,j,ipoint,3) - tmp2 * tmp0_z
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
elseif((j2e_type .eq. "rs-dft") .and. (env_type .eq. "sum-gauss")) then
PROVIDE mu_erf
PROVIDE env_type env_val env_grad
PROVIDE Ir2_rsdft_long_Du_0 Ir2_rsdft_long_Du_x Ir2_rsdft_long_Du_y Ir2_rsdft_long_Du_z Ir2_rsdft_long_Du_2
PROVIDE Ir2_rsdft_gauss_Du
tmp_ct = 0.5d0 / (dsqrt(dacos(-1.d0)) * mu_erf)
int2_grad1_u2b_ao = 0.d0
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (ipoint, i, j, x, y, z, r2, dx, dy, dz, tmp1, tmp2, &
!$OMP tmp0_x, tmp0_y, tmp0_z, tmp1_x, tmp1_y, tmp1_z) &
!$OMP SHARED (ao_num, n_points_final_grid, final_grid_points, &
!$OMP tmp_ct, env_val, env_grad, Ir2_rsdft_long_Du_0, &
!$OMP Ir2_rsdft_long_Du_x, Ir2_rsdft_long_Du_y, &
!$OMP Ir2_rsdft_long_Du_z, Ir2_rsdft_gauss_Du, &
!$OMP Ir2_rsdft_long_Du_2, int2_grad1_u2b_ao)
!$OMP DO SCHEDULE (static)
do ipoint = 1, n_points_final_grid
x = final_grid_points(1,ipoint)
y = final_grid_points(2,ipoint)
z = final_grid_points(3,ipoint)
r2 = x*x + y*y + z*z
dx = env_grad(1,ipoint)
dy = env_grad(2,ipoint)
dz = env_grad(3,ipoint)
tmp0_x = 0.5d0 * (env_val(ipoint) * x + r2 * dx)
tmp0_y = 0.5d0 * (env_val(ipoint) * y + r2 * dy)
tmp0_z = 0.5d0 * (env_val(ipoint) * z + r2 * dz)
tmp1 = 0.5d0 * env_val(ipoint)
tmp1_x = tmp_ct * dx
tmp1_y = tmp_ct * dy
tmp1_z = tmp_ct * dz
do j = 1, ao_num
do i = 1, ao_num
tmp2 = 0.5d0 * Ir2_rsdft_long_Du_2(i,j,ipoint) - x * Ir2_rsdft_long_Du_x(i,j,ipoint) - y * Ir2_rsdft_long_Du_y(i,j,ipoint) - z * Ir2_rsdft_long_Du_z(i,j,ipoint)
int2_grad1_u2b_ao(i,j,ipoint,1) = -Ir2_rsdft_long_Du_0(i,j,ipoint) * tmp0_x + tmp1 * Ir2_rsdft_long_Du_x(i,j,ipoint) - dx * tmp2 + tmp1_x * Ir2_rsdft_gauss_Du(i,j,ipoint)
int2_grad1_u2b_ao(i,j,ipoint,2) = -Ir2_rsdft_long_Du_0(i,j,ipoint) * tmp0_y + tmp1 * Ir2_rsdft_long_Du_y(i,j,ipoint) - dy * tmp2 + tmp1_y * Ir2_rsdft_gauss_Du(i,j,ipoint)
int2_grad1_u2b_ao(i,j,ipoint,3) = -Ir2_rsdft_long_Du_0(i,j,ipoint) * tmp0_z + tmp1 * Ir2_rsdft_long_Du_z(i,j,ipoint) - dz * tmp2 + tmp1_z * Ir2_rsdft_gauss_Du(i,j,ipoint)
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
else
print *, ' Error in int2_grad1_u2b_ao: Unknown Jastrow'
stop
endif ! j2e_type
else
write(*, '(A, A, A)') ' Error: The integration type ', trim(tc_integ_type), ' has not been implemented yet'
stop
endif ! tc_integ_type
call wall_time(time1)
print*, ' wall time for int2_grad1_u2b_ao (min) =', (time1-time0)/60.d0
call print_memory_usage()
END_PROVIDER
! ---