mirror of
https://github.com/QuantumPackage/qp2.git
synced 2024-11-09 06:53:38 +01:00
372 lines
9.5 KiB
Fortran
372 lines
9.5 KiB
Fortran
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! ---
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BEGIN_PROVIDER [integer, List_env1s_size]
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implicit none
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PROVIDE env_type
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if(env_type .eq. "None") then
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List_env1s_size = 1
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elseif(env_type .eq. "Prod_Gauss") then
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List_env1s_size = 2**nucl_num
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elseif(env_type .eq. "Sum_Gauss") then
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List_env1s_size = nucl_num + 1
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else
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print *, ' Error in List_env1s_size: Unknown env_type = ', env_type
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stop
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endif
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print *, ' nb of 1s-Gaussian in the envelope = ', List_env1s_size
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END_PROVIDER
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! ---
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BEGIN_PROVIDER [integer, List_env1s, (nucl_num, List_env1s_size)]
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implicit none
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integer :: i, j
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if(nucl_num .gt. 32) then
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print *, ' nucl_num = ', nucl_num, '> 32'
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stop
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endif
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List_env1s = 0
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do i = 0, List_env1s_size-1
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do j = 0, nucl_num-1
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if (btest(i,j)) then
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List_env1s(j+1,i+1) = 1
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endif
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enddo
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enddo
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END_PROVIDER
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! ---
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BEGIN_PROVIDER [ double precision, List_env1s_coef, ( List_env1s_size)]
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&BEGIN_PROVIDER [ double precision, List_env1s_expo, ( List_env1s_size)]
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&BEGIN_PROVIDER [ double precision, List_env1s_cent, (3, List_env1s_size)]
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implicit none
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integer :: i, j, k, phase
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double precision :: tmp_alphaj, tmp_alphak
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double precision :: tmp_cent_x, tmp_cent_y, tmp_cent_z
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provide env_type env_expo env_coef
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if(env_type .eq. "None") then
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List_env1s_coef( 1) = 1.d0
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List_env1s_expo( 1) = 0.d0
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List_env1s_cent(1:3,1) = 0.d0
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elseif(env_type .eq. "Prod_Gauss") then
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List_env1s_coef = 0.d0
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List_env1s_expo = 0.d0
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List_env1s_cent = 0.d0
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do i = 1, List_env1s_size
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tmp_cent_x = 0.d0
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tmp_cent_y = 0.d0
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tmp_cent_z = 0.d0
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do j = 1, nucl_num
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tmp_alphaj = dble(List_env1s(j,i)) * env_expo(j)
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List_env1s_expo(i) += tmp_alphaj
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tmp_cent_x += tmp_alphaj * nucl_coord(j,1)
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tmp_cent_y += tmp_alphaj * nucl_coord(j,2)
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tmp_cent_z += tmp_alphaj * nucl_coord(j,3)
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enddo
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if(List_env1s_expo(i) .lt. 1d-10) cycle
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List_env1s_cent(1,i) = tmp_cent_x / List_env1s_expo(i)
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List_env1s_cent(2,i) = tmp_cent_y / List_env1s_expo(i)
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List_env1s_cent(3,i) = tmp_cent_z / List_env1s_expo(i)
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enddo
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! ---
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do i = 1, List_env1s_size
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do j = 2, nucl_num, 1
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tmp_alphaj = dble(List_env1s(j,i)) * env_expo(j)
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do k = 1, j-1, 1
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tmp_alphak = dble(List_env1s(k,i)) * env_expo(k)
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List_env1s_coef(i) += tmp_alphaj * tmp_alphak * ( (nucl_coord(j,1) - nucl_coord(k,1)) * (nucl_coord(j,1) - nucl_coord(k,1)) &
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+ (nucl_coord(j,2) - nucl_coord(k,2)) * (nucl_coord(j,2) - nucl_coord(k,2)) &
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+ (nucl_coord(j,3) - nucl_coord(k,3)) * (nucl_coord(j,3) - nucl_coord(k,3)) )
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enddo
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enddo
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if(List_env1s_expo(i) .lt. 1d-10) cycle
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List_env1s_coef(i) = List_env1s_coef(i) / List_env1s_expo(i)
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enddo
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! ---
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do i = 1, List_env1s_size
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phase = 0
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do j = 1, nucl_num
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phase += List_env1s(j,i)
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enddo
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List_env1s_coef(i) = (-1.d0)**dble(phase) * dexp(-List_env1s_coef(i))
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enddo
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elseif(env_type .eq. "Sum_Gauss") then
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List_env1s_coef( 1) = 1.d0
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List_env1s_expo( 1) = 0.d0
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List_env1s_cent(1:3,1) = 0.d0
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do i = 1, nucl_num
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List_env1s_coef( i+1) = -1.d0 * env_coef(i)
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List_env1s_expo( i+1) = env_expo(i)
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List_env1s_cent(1,i+1) = nucl_coord(i,1)
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List_env1s_cent(2,i+1) = nucl_coord(i,2)
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List_env1s_cent(3,i+1) = nucl_coord(i,3)
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enddo
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else
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print *, ' Error in List_env1s: Unknown env_type = ', env_type
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stop
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endif
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END_PROVIDER
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! ---
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BEGIN_PROVIDER [integer, List_env1s_square_size]
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implicit none
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double precision :: tmp
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if(env_type .eq. "None") then
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List_env1s_square_size = 1
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elseif(env_type .eq. "Prod_Gauss") then
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List_env1s_square_size = 3**nucl_num
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elseif(env_type .eq. "Sum_Gauss") then
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tmp = 0.5d0 * dble(nucl_num) * (dble(nucl_num) + 3.d0)
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List_env1s_square_size = int(tmp) + 1
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else
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print *, ' Error in List_env1s_square_size: Unknown env_type = ', env_type
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stop
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endif
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print *, ' nb of 1s-Gaussian in the square of envelope = ', List_env1s_square_size
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END_PROVIDER
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! ---
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BEGIN_PROVIDER [integer, List_env1s_square, (nucl_num, List_env1s_square_size)]
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implicit none
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integer :: i, j, ii, jj
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integer, allocatable :: M(:,:), p(:)
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if(nucl_num .gt. 32) then
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print *, ' nucl_num = ', nucl_num, '> 32'
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stop
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endif
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List_env1s_square(:,:) = 0
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List_env1s_square(:,List_env1s_square_size) = 2
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allocate(p(nucl_num))
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p = 0
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do i = 2, List_env1s_square_size-1
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do j = 1, nucl_num
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ii = 0
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do jj = 1, j-1, 1
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ii = ii + p(jj) * 3**(jj-1)
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enddo
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p(j) = modulo(i-1-ii, 3**j) / 3**(j-1)
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List_env1s_square(j,i) = p(j)
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enddo
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enddo
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END_PROVIDER
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! ---
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BEGIN_PROVIDER [ double precision, List_env1s_square_coef, ( List_env1s_square_size)]
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&BEGIN_PROVIDER [ double precision, List_env1s_square_expo, ( List_env1s_square_size)]
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&BEGIN_PROVIDER [ double precision, List_env1s_square_cent, (3, List_env1s_square_size)]
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implicit none
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integer :: i, j, k, phase
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integer :: ii
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double precision :: tmp_alphaj, tmp_alphak, facto
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double precision :: tmp1, tmp2, tmp3, tmp4
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double precision :: xi, yi, zi, xj, yj, zj
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double precision :: dx, dy, dz, r2
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provide env_type env_expo env_coef
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if(env_type .eq. "None") then
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List_env1s_square_coef( 1) = 1.d0
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List_env1s_square_expo( 1) = 0.d0
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List_env1s_square_cent(1:3,1) = 0.d0
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elseif(env_type .eq. "Prod_Gauss") then
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List_env1s_square_coef = 0.d0
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List_env1s_square_expo = 0.d0
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List_env1s_square_cent = 0.d0
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do i = 1, List_env1s_square_size
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do j = 1, nucl_num
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tmp_alphaj = dble(List_env1s_square(j,i)) * env_expo(j)
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List_env1s_square_expo(i) += tmp_alphaj
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List_env1s_square_cent(1,i) += tmp_alphaj * nucl_coord(j,1)
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List_env1s_square_cent(2,i) += tmp_alphaj * nucl_coord(j,2)
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List_env1s_square_cent(3,i) += tmp_alphaj * nucl_coord(j,3)
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enddo
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if(List_env1s_square_expo(i) .lt. 1d-10) cycle
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List_env1s_square_cent(1,i) = List_env1s_square_cent(1,i) / List_env1s_square_expo(i)
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List_env1s_square_cent(2,i) = List_env1s_square_cent(2,i) / List_env1s_square_expo(i)
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List_env1s_square_cent(3,i) = List_env1s_square_cent(3,i) / List_env1s_square_expo(i)
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enddo
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! ---
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do i = 1, List_env1s_square_size
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do j = 2, nucl_num, 1
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tmp_alphaj = dble(List_env1s_square(j,i)) * env_expo(j)
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do k = 1, j-1, 1
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tmp_alphak = dble(List_env1s_square(k,i)) * env_expo(k)
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List_env1s_square_coef(i) += tmp_alphaj * tmp_alphak * ( (nucl_coord(j,1) - nucl_coord(k,1)) * (nucl_coord(j,1) - nucl_coord(k,1)) &
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+ (nucl_coord(j,2) - nucl_coord(k,2)) * (nucl_coord(j,2) - nucl_coord(k,2)) &
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+ (nucl_coord(j,3) - nucl_coord(k,3)) * (nucl_coord(j,3) - nucl_coord(k,3)) )
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enddo
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enddo
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if(List_env1s_square_expo(i) .lt. 1d-10) cycle
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List_env1s_square_coef(i) = List_env1s_square_coef(i) / List_env1s_square_expo(i)
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enddo
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! ---
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do i = 1, List_env1s_square_size
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facto = 1.d0
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phase = 0
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do j = 1, nucl_num
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tmp_alphaj = dble(List_env1s_square(j,i))
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facto *= 2.d0 / (gamma(tmp_alphaj+1.d0) * gamma(3.d0-tmp_alphaj))
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phase += List_env1s_square(j,i)
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enddo
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List_env1s_square_coef(i) = (-1.d0)**dble(phase) * facto * dexp(-List_env1s_square_coef(i))
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enddo
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elseif(env_type .eq. "Sum_Gauss") then
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ii = 1
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List_env1s_square_coef( ii) = 1.d0
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List_env1s_square_expo( ii) = 0.d0
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List_env1s_square_cent(1:3,ii) = 0.d0
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do i = 1, nucl_num
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ii = ii + 1
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List_env1s_square_coef( ii) = -2.d0 * env_coef(i)
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List_env1s_square_expo( ii) = env_expo(i)
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List_env1s_square_cent(1,ii) = nucl_coord(i,1)
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List_env1s_square_cent(2,ii) = nucl_coord(i,2)
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List_env1s_square_cent(3,ii) = nucl_coord(i,3)
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enddo
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do i = 1, nucl_num
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ii = ii + 1
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List_env1s_square_coef( ii) = 1.d0 * env_coef(i) * env_coef(i)
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List_env1s_square_expo( ii) = 2.d0 * env_expo(i)
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List_env1s_square_cent(1,ii) = nucl_coord(i,1)
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List_env1s_square_cent(2,ii) = nucl_coord(i,2)
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List_env1s_square_cent(3,ii) = nucl_coord(i,3)
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enddo
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do i = 1, nucl_num-1
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tmp1 = env_expo(i)
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xi = nucl_coord(i,1)
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yi = nucl_coord(i,2)
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zi = nucl_coord(i,3)
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do j = i+1, nucl_num
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tmp2 = env_expo(j)
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tmp3 = tmp1 + tmp2
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tmp4 = 1.d0 / tmp3
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xj = nucl_coord(j,1)
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yj = nucl_coord(j,2)
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zj = nucl_coord(j,3)
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dx = xi - xj
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dy = yi - yj
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dz = zi - zj
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r2 = dx*dx + dy*dy + dz*dz
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ii = ii + 1
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! x 2 to avoid doing integrals twice
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List_env1s_square_coef( ii) = 2.d0 * dexp(-tmp1*tmp2*tmp4*r2) * env_coef(i) * env_coef(j)
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List_env1s_square_expo( ii) = tmp3
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List_env1s_square_cent(1,ii) = tmp4 * (tmp1 * xi + tmp2 * xj)
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List_env1s_square_cent(2,ii) = tmp4 * (tmp1 * yi + tmp2 * yj)
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List_env1s_square_cent(3,ii) = tmp4 * (tmp1 * zi + tmp2 * zj)
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enddo
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enddo
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else
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print *, ' Error in List_env1s_square: Unknown env_type = ', env_type
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stop
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endif
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END_PROVIDER
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! ---
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