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Accelerated BH Jastrow
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@ -4,7 +4,7 @@
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subroutine get_grad1_u12_withsq_r1_seq(ipoint, n_grid2, resx, resy, resz, res)
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BEGIN_DOC
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!
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!
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! grad_1 u(r1,r2)
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!
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! we use grid for r1 and extra_grid for r2
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@ -167,9 +167,9 @@ subroutine grad1_j12_r1_seq(r1, n_grid2, gradx, grady, gradz)
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integer :: jpoint
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integer :: i_nucl, p, mpA, npA, opA
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double precision :: r2(3)
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double precision :: dx, dy, dz, r12, tmp
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double precision :: dx, dy, dz, r12, tmp, r12_inv
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double precision :: mu_val, mu_tmp, mu_der(3)
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double precision :: rn(3), f1A, gard1_f1A(3), f2A, gard2_f2A(3), g12, gard1_g12(3)
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double precision :: rn(3), f1A, grad1_f1A(3), f2A, grad2_f2A(3), g12, grad1_g12(3)
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double precision :: tmp1, tmp2
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@ -181,7 +181,7 @@ subroutine grad1_j12_r1_seq(r1, n_grid2, gradx, grady, gradz)
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! d/dy1 j(mu,r12) = 0.5 * [(1 - erf(mu * r12)) / r12] * (y1 - y2)
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! d/dz1 j(mu,r12) = 0.5 * [(1 - erf(mu * r12)) / r12] * (z1 - z2)
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do jpoint = 1, n_points_extra_final_grid ! r2
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do jpoint = 1, n_points_extra_final_grid ! r2
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r2(1) = final_grid_points_extra(1,jpoint)
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r2(2) = final_grid_points_extra(2,jpoint)
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@ -191,15 +191,19 @@ subroutine grad1_j12_r1_seq(r1, n_grid2, gradx, grady, gradz)
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dy = r1(2) - r2(2)
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dz = r1(3) - r2(3)
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r12 = dsqrt(dx * dx + dy * dy + dz * dz)
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if(r12 .lt. 1d-10) then
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gradx(jpoint) = 0.d0
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grady(jpoint) = 0.d0
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gradz(jpoint) = 0.d0
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r12 = dx * dx + dy * dy + dz * dz
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if(r12 .lt. 1d-20) then
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gradx(jpoint) = 0.d0
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grady(jpoint) = 0.d0
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gradz(jpoint) = 0.d0
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cycle
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endif
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tmp = 0.5d0 * (1.d0 - derf(mu_erf * r12)) / r12
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r12_inv = 1.d0/dsqrt(r12)
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r12 = r12*r12_inv
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tmp = 0.5d0 * (1.d0 - derf(mu_erf * r12)) * r12_inv
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gradx(jpoint) = tmp * dx
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grady(jpoint) = tmp * dy
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@ -208,10 +212,10 @@ subroutine grad1_j12_r1_seq(r1, n_grid2, gradx, grady, gradz)
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elseif(j2e_type .eq. "Mur") then
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! d/dx1 j(mu(r1,r2),r12) = exp(-(mu(r1,r2)*r12)**2) /(2 *sqrt(pi) * mu(r1,r2)**2 ) d/dx1 mu(r1,r2)
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! d/dx1 j(mu(r1,r2),r12) = exp(-(mu(r1,r2)*r12)**2) /(2 *sqrt(pi) * mu(r1,r2)**2 ) d/dx1 mu(r1,r2)
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! + 0.5 * (1 - erf(mu(r1,r2) *r12))/r12 * (x1 - x2)
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do jpoint = 1, n_points_extra_final_grid ! r2
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do jpoint = 1, n_points_extra_final_grid ! r2
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r2(1) = final_grid_points_extra(1,jpoint)
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r2(2) = final_grid_points_extra(2,jpoint)
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@ -220,23 +224,29 @@ subroutine grad1_j12_r1_seq(r1, n_grid2, gradx, grady, gradz)
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dx = r1(1) - r2(1)
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dy = r1(2) - r2(2)
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dz = r1(3) - r2(3)
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r12 = dsqrt(dx * dx + dy * dy + dz * dz)
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call mu_r_val_and_grad(r1, r2, mu_val, mu_der)
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mu_tmp = mu_val * r12
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tmp = inv_sq_pi_2 * dexp(-mu_tmp*mu_tmp) / (mu_val * mu_val)
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gradx(jpoint) = tmp * mu_der(1)
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grady(jpoint) = tmp * mu_der(2)
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gradz(jpoint) = tmp * mu_der(3)
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r12 = dx * dx + dy * dy + dz * dz
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if(r12 .lt. 1d-10) then
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if(r12 .lt. 1d-20) then
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gradx(jpoint) = 0.d0
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grady(jpoint) = 0.d0
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gradz(jpoint) = 0.d0
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cycle
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endif
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tmp = 0.5d0 * (1.d0 - derf(mu_tmp)) / r12
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r12_inv = 1.d0/dsqrt(r12)
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r12 = r12*r12_inv
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call mu_r_val_and_grad(r1, r2, mu_val, mu_der)
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mu_tmp = mu_val * r12
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tmp = inv_sq_pi_2 * dexp(-mu_tmp*mu_tmp) / (mu_val * mu_val)
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gradx(jpoint) = tmp * mu_der(1)
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grady(jpoint) = tmp * mu_der(2)
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gradz(jpoint) = tmp * mu_der(3)
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tmp = 0.5d0 * (1.d0 - derf(mu_tmp)) * r12_inv
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gradx(jpoint) = gradx(jpoint) + tmp * dx
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grady(jpoint) = grady(jpoint) + tmp * dy
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@ -254,7 +264,7 @@ subroutine grad1_j12_r1_seq(r1, n_grid2, gradx, grady, gradz)
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PROVIDE a_boys
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do jpoint = 1, n_points_extra_final_grid ! r2
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do jpoint = 1, n_points_extra_final_grid ! r2
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r2(1) = final_grid_points_extra(1,jpoint)
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r2(2) = final_grid_points_extra(2,jpoint)
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@ -263,14 +273,17 @@ subroutine grad1_j12_r1_seq(r1, n_grid2, gradx, grady, gradz)
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dx = r1(1) - r2(1)
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dy = r1(2) - r2(2)
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dz = r1(3) - r2(3)
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r12 = dsqrt(dx * dx + dy * dy + dz * dz)
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r12 = dx * dx + dy * dy + dz * dz
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if(r12 .lt. 1d-10) then
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gradx(jpoint) = 0.d0
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grady(jpoint) = 0.d0
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gradz(jpoint) = 0.d0
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gradx(jpoint) = 0.d0
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grady(jpoint) = 0.d0
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gradz(jpoint) = 0.d0
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cycle
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endif
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r12 = dsqrt(r12)
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tmp = 1.d0 + a_boys * r12
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tmp = 0.5d0 / (r12 * tmp * tmp)
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@ -281,24 +294,60 @@ subroutine grad1_j12_r1_seq(r1, n_grid2, gradx, grady, gradz)
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elseif(j2e_type .eq. "Boys_Handy") then
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integer :: powmax
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powmax = max(maxval(jBH_m),maxval(jBH_n))
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double precision, allocatable :: f1A_power(:), f2A_power(:), double_p(:), g12_power(:)
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allocate (f1A_power(-1:powmax), f2A_power(-1:powmax), g12_power(-1:powmax), double_p(0:powmax))
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do p=0,powmax
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double_p(p) = dble(p)
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enddo
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f1A_power(-1) = 0.d0
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f2A_power(-1) = 0.d0
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g12_power(-1) = 0.d0
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f1A_power(0) = 1.d0
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f2A_power(0) = 1.d0
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g12_power(0) = 1.d0
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do jpoint = 1, n_points_extra_final_grid ! r2
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r2(1) = final_grid_points_extra(1,jpoint)
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r2(2) = final_grid_points_extra(2,jpoint)
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r2(3) = final_grid_points_extra(3,jpoint)
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gradx(jpoint) = 0.d0
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grady(jpoint) = 0.d0
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gradz(jpoint) = 0.d0
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do i_nucl = 1, nucl_num
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gradx(jpoint) = 0.d0
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grady(jpoint) = 0.d0
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gradz(jpoint) = 0.d0
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do i_nucl = 1, nucl_num
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rn(1) = nucl_coord(i_nucl,1)
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rn(2) = nucl_coord(i_nucl,2)
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rn(3) = nucl_coord(i_nucl,3)
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call jBH_elem_fct_grad(jBH_en(i_nucl), r1, rn, f1A, gard1_f1A)
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call jBH_elem_fct_grad(jBH_en(i_nucl), r2, rn, f2A, gard2_f2A)
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call jBH_elem_fct_grad(jBH_ee(i_nucl), r1, r2, g12, gard1_g12)
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call jBH_elem_fct_grad(jBH_en(i_nucl), r1, rn, f1A, grad1_f1A)
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call jBH_elem_fct_grad(jBH_en(i_nucl), r2, rn, f2A, grad2_f2A)
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call jBH_elem_fct_grad(jBH_ee(i_nucl), r1, r2, g12, grad1_g12)
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! Compute powers of f1A and f2A
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do p = 1, maxval(jBH_m(:,i_nucl))
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f1A_power(p) = f1A_power(p-1) * f1A
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enddo
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do p = 1, maxval(jBH_n(:,i_nucl))
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f2A_power(p) = f2A_power(p-1) * f2A
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enddo
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do p = 1, maxval(jBH_o(:,i_nucl))
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g12_power(p) = g12_power(p-1) * g12
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enddo
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do p = 1, jBH_size
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mpA = jBH_m(p,i_nucl)
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@ -309,23 +358,31 @@ subroutine grad1_j12_r1_seq(r1, n_grid2, gradx, grady, gradz)
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tmp = tmp * 0.5d0
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endif
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tmp1 = 0.d0
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if(mpA .gt. 0) then
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tmp1 = tmp1 + dble(mpA) * f1A**dble(mpA-1) * f2A**dble(npA)
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endif
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if(npA .gt. 0) then
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tmp1 = tmp1 + dble(npA) * f1A**dble(npA-1) * f2A**dble(mpA)
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endif
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tmp1 = tmp1 * g12**dble(opA)
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!TODO : Powers to optimize here
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tmp2 = 0.d0
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if(opA .gt. 0) then
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tmp2 = tmp2 + dble(opA) * g12**dble(opA-1) * (f1A**dble(mpA) * f2A**dble(npA) + f1A**dble(npA) * f2A**dble(mpA))
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endif
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! tmp1 = 0.d0
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! if(mpA .gt. 0) then
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! tmp1 = tmp1 + dble(mpA) * f1A**(mpA-1) * f2A**npA
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! endif
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! if(npA .gt. 0) then
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! tmp1 = tmp1 + dble(npA) * f1A**(npA-1) * f2A**mpA
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! endif
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! tmp1 = tmp1 * g12**(opA)
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!
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! tmp2 = 0.d0
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! if(opA .gt. 0) then
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! tmp2 = tmp2 + dble(opA) * g12**(opA-1) * (f1A**(mpA) * f2A**(npA) + f1A**(npA) * f2A**(mpA))
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! endif
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gradx(jpoint) = gradx(jpoint) + tmp * (tmp1 * gard1_f1A(1) + tmp2 * gard1_g12(1))
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grady(jpoint) = grady(jpoint) + tmp * (tmp1 * gard1_f1A(2) + tmp2 * gard1_g12(2))
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gradz(jpoint) = gradz(jpoint) + tmp * (tmp1 * gard1_f1A(3) + tmp2 * gard1_g12(3))
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tmp1 = double_p(mpA) * f1A_power(mpA-1) * f2A_power(npA) + double_p(npA) * f1A_power(npA-1) * f2A_power(mpA)
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tmp1 = tmp1 * g12_power(opA)
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tmp2 = double_p(opA) * g12_power(opA-1) * (f1A_power(mpA) * f2A_power(npA) + f1A_power(npA) * f2A_power(mpA))
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gradx(jpoint) = gradx(jpoint) + tmp * (tmp1 * grad1_f1A(1) + tmp2 * grad1_g12(1))
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grady(jpoint) = grady(jpoint) + tmp * (tmp1 * grad1_f1A(2) + tmp2 * grad1_g12(2))
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gradz(jpoint) = gradz(jpoint) + tmp * (tmp1 * grad1_f1A(3) + tmp2 * grad1_g12(3))
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enddo ! p
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enddo ! i_nucl
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enddo ! jpoint
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@ -361,10 +418,10 @@ subroutine grad1_jmu_r1_seq(mu, r1, n_grid2, gradx, grady, gradz)
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integer :: jpoint
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double precision :: r2(3)
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double precision :: dx, dy, dz, r12, tmp
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double precision :: dx, dy, dz, r12, r12_inv, tmp
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do jpoint = 1, n_points_extra_final_grid ! r2
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do jpoint = 1, n_points_extra_final_grid ! r2
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r2(1) = final_grid_points_extra(1,jpoint)
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r2(2) = final_grid_points_extra(2,jpoint)
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@ -374,15 +431,19 @@ subroutine grad1_jmu_r1_seq(mu, r1, n_grid2, gradx, grady, gradz)
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dy = r1(2) - r2(2)
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dz = r1(3) - r2(3)
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r12 = dsqrt(dx * dx + dy * dy + dz * dz)
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if(r12 .lt. 1d-10) then
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gradx(jpoint) = 0.d0
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grady(jpoint) = 0.d0
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gradz(jpoint) = 0.d0
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r12 = dx * dx + dy * dy + dz * dz
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if(r12 .lt. 1d-20) then
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gradx(jpoint) = 0.d0
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grady(jpoint) = 0.d0
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gradz(jpoint) = 0.d0
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cycle
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endif
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tmp = 0.5d0 * (1.d0 - derf(mu * r12)) / r12
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r12_inv = 1.d0 / dsqrt(r12)
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r12 = r12 * r12_inv
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tmp = 0.5d0 * (1.d0 - derf(mu * r12)) * r12_inv
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gradx(jpoint) = tmp * dx
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grady(jpoint) = tmp * dy
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@ -406,7 +467,7 @@ subroutine j12_r1_seq(r1, n_grid2, res)
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integer :: jpoint
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double precision :: r2(3)
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double precision :: dx, dy, dz
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double precision :: mu_tmp, r12
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double precision :: mu_tmp, r12, mu_erf_inv
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PROVIDE final_grid_points_extra
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@ -414,20 +475,21 @@ subroutine j12_r1_seq(r1, n_grid2, res)
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PROVIDE mu_erf
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do jpoint = 1, n_points_extra_final_grid ! r2
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mu_erf_inv = 1.d0 / mu_erf
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do jpoint = 1, n_points_extra_final_grid ! r2
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r2(1) = final_grid_points_extra(1,jpoint)
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r2(2) = final_grid_points_extra(2,jpoint)
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r2(3) = final_grid_points_extra(3,jpoint)
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dx = r1(1) - r2(1)
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dy = r1(2) - r2(2)
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dz = r1(3) - r2(3)
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r12 = dsqrt(dx * dx + dy * dy + dz * dz)
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mu_tmp = mu_erf * r12
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res(jpoint) = 0.5d0 * r12 * (1.d0 - derf(mu_tmp)) - inv_sq_pi_2 * dexp(-mu_tmp*mu_tmp) / mu_erf
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res(jpoint) = 0.5d0 * r12 * (1.d0 - derf(mu_tmp)) - inv_sq_pi_2 * dexp(-mu_tmp*mu_tmp) * mu_erf_inv
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enddo
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elseif(j2e_type .eq. "Boys") then
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@ -436,7 +498,7 @@ subroutine j12_r1_seq(r1, n_grid2, res)
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PROVIDE a_boys
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do jpoint = 1, n_points_extra_final_grid ! r2
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do jpoint = 1, n_points_extra_final_grid ! r2
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r2(1) = final_grid_points_extra(1,jpoint)
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r2(2) = final_grid_points_extra(2,jpoint)
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@ -478,19 +540,19 @@ subroutine jmu_r1_seq(mu, r1, n_grid2, res)
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tmp1 = inv_sq_pi_2 / mu
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do jpoint = 1, n_points_extra_final_grid ! r2
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do jpoint = 1, n_points_extra_final_grid ! r2
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r2(1) = final_grid_points_extra(1,jpoint)
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r2(2) = final_grid_points_extra(2,jpoint)
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r2(3) = final_grid_points_extra(3,jpoint)
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dx = r1(1) - r2(1)
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dy = r1(2) - r2(2)
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dz = r1(3) - r2(3)
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r12 = dsqrt(dx * dx + dy * dy + dz * dz)
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tmp2 = mu * r12
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res(jpoint) = 0.5d0 * r12 * (1.d0 - derf(tmp2)) - tmp1 * dexp(-tmp2*tmp2)
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enddo
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@ -517,7 +579,7 @@ subroutine env_nucl_r1_seq(n_grid2, res)
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res = 1.d0
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do jpoint = 1, n_points_extra_final_grid ! r2
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do jpoint = 1, n_points_extra_final_grid ! r2
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r(1) = final_grid_points_extra(1,jpoint)
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||||
r(2) = final_grid_points_extra(2,jpoint)
|
||||
r(3) = final_grid_points_extra(3,jpoint)
|
||||
@ -536,7 +598,7 @@ subroutine env_nucl_r1_seq(n_grid2, res)
|
||||
|
||||
res = 1.d0
|
||||
|
||||
do jpoint = 1, n_points_extra_final_grid ! r2
|
||||
do jpoint = 1, n_points_extra_final_grid ! r2
|
||||
r(1) = final_grid_points_extra(1,jpoint)
|
||||
r(2) = final_grid_points_extra(2,jpoint)
|
||||
r(3) = final_grid_points_extra(3,jpoint)
|
||||
@ -556,7 +618,7 @@ subroutine env_nucl_r1_seq(n_grid2, res)
|
||||
|
||||
res = 1.d0
|
||||
|
||||
do jpoint = 1, n_points_extra_final_grid ! r2
|
||||
do jpoint = 1, n_points_extra_final_grid ! r2
|
||||
r(1) = final_grid_points_extra(1,jpoint)
|
||||
r(2) = final_grid_points_extra(2,jpoint)
|
||||
r(3) = final_grid_points_extra(3,jpoint)
|
||||
@ -574,7 +636,7 @@ subroutine env_nucl_r1_seq(n_grid2, res)
|
||||
|
||||
res = 1.d0
|
||||
|
||||
do jpoint = 1, n_points_extra_final_grid ! r2
|
||||
do jpoint = 1, n_points_extra_final_grid ! r2
|
||||
r(1) = final_grid_points_extra(1,jpoint)
|
||||
r(2) = final_grid_points_extra(2,jpoint)
|
||||
r(3) = final_grid_points_extra(3,jpoint)
|
||||
@ -604,7 +666,7 @@ end
|
||||
subroutine get_grad1_u12_2e_r1_seq(ipoint, n_grid2, resx, resy, resz)
|
||||
|
||||
BEGIN_DOC
|
||||
!
|
||||
!
|
||||
! grad_1 u_2e(r1,r2)
|
||||
!
|
||||
! we use grid for r1 and extra_grid for r2
|
||||
@ -724,7 +786,7 @@ end
|
||||
subroutine get_u12_2e_r1_seq(ipoint, n_grid2, res)
|
||||
|
||||
BEGIN_DOC
|
||||
!
|
||||
!
|
||||
! u_2e(r1,r2)
|
||||
!
|
||||
! we use grid for r1 and extra_grid for r2
|
||||
@ -820,11 +882,11 @@ end
|
||||
|
||||
! ---
|
||||
|
||||
subroutine jBH_elem_fct_grad(alpha, r1, r2, fct, gard1_fct)
|
||||
subroutine jBH_elem_fct_grad(alpha, r1, r2, fct, grad1_fct)
|
||||
|
||||
implicit none
|
||||
double precision, intent(in) :: alpha, r1(3), r2(3)
|
||||
double precision, intent(out) :: fct, gard1_fct(3)
|
||||
double precision, intent(out) :: fct, grad1_fct(3)
|
||||
double precision :: dist, tmp1, tmp2
|
||||
|
||||
dist = dsqrt( (r1(1) - r2(1)) * (r1(1) - r2(1)) &
|
||||
@ -836,18 +898,18 @@ subroutine jBH_elem_fct_grad(alpha, r1, r2, fct, gard1_fct)
|
||||
fct = alpha * dist * tmp1
|
||||
|
||||
if(dist .lt. 1d-10) then
|
||||
gard1_fct(1) = 0.d0
|
||||
gard1_fct(2) = 0.d0
|
||||
gard1_fct(3) = 0.d0
|
||||
grad1_fct(1) = 0.d0
|
||||
grad1_fct(2) = 0.d0
|
||||
grad1_fct(3) = 0.d0
|
||||
else
|
||||
tmp2 = alpha * tmp1 * tmp1 / dist
|
||||
gard1_fct(1) = tmp2 * (r1(1) - r2(1))
|
||||
gard1_fct(2) = tmp2 * (r1(2) - r2(2))
|
||||
gard1_fct(3) = tmp2 * (r1(3) - r2(3))
|
||||
grad1_fct(1) = tmp2 * (r1(1) - r2(1))
|
||||
grad1_fct(2) = tmp2 * (r1(2) - r2(2))
|
||||
grad1_fct(3) = tmp2 * (r1(3) - r2(3))
|
||||
endif
|
||||
|
||||
return
|
||||
end
|
||||
end
|
||||
|
||||
! ---
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user