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generate_chunk_kernel.f90
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generate_chunk_kernel.f90
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!Crown Copyright 2014 AWE.
!
! This file is part of TeaLeaf.
!
! TeaLeaf is free software: you can redistribute it and/or modify it under
! the terms of the GNU General Public License as published by the
! Free Software Foundation, either version 3 of the License, or (at your option)
! any later version.
!
! TeaLeaf is distributed in the hope that it will be useful, but
! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
! FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
! details.
!
! You should have received a copy of the GNU General Public License along with
! TeaLeaf. If not, see http://www.gnu.org/licenses/.
!> @brief Fortran mesh chunk generator
!> @author David Beckingsale, Wayne Gaudin
!> @details Generates the field data on a mesh chunk based on the user specified
!> input for the states.
!>
!> Note that state one is always used as the background state, which is then
!> overwritten by further state definitions.
MODULE generate_chunk_kernel_module
CONTAINS
SUBROUTINE generate_chunk_kernel(x_min,x_max,y_min,y_max,z_min,z_max,halo_exchange_depth, &
vertexx, &
vertexy, &
vertexz, &
cellx, &
celly, &
cellz, &
density, &
energy0, &
u0, &
number_of_states, &
state_density, &
state_energy, &
state_xmin, &
state_xmax, &
state_ymin, &
state_ymax, &
state_zmin, &
state_zmax, &
state_radius, &
state_geometry, &
g_rect, &
g_circ, &
g_point)
IMPLICIT NONE
INTEGER(KIND=4) :: x_min,x_max,y_min,y_max,z_min,z_max,halo_exchange_depth
REAL(KIND=8), DIMENSION(x_min-2:x_max+3) :: vertexx
REAL(KIND=8), DIMENSION(y_min-2:y_max+3) :: vertexy
REAL(KIND=8), DIMENSION(z_min-2:z_max+3) :: vertexz
REAL(KIND=8), DIMENSION(x_min-2:x_max+2) :: cellx
REAL(KIND=8), DIMENSION(y_min-2:y_max+2) :: celly
REAL(KIND=8), DIMENSION(z_min-2:z_max+2) :: cellz
REAL(KIND=8), DIMENSION(x_min-halo_exchange_depth:x_max+halo_exchange_depth,&
y_min-halo_exchange_depth:y_max+halo_exchange_depth,&
z_min-halo_exchange_depth:z_max+halo_exchange_depth) :: density,energy0,u0
INTEGER :: number_of_states
REAL(KIND=8), DIMENSION(number_of_states) :: state_density
REAL(KIND=8), DIMENSION(number_of_states) :: state_energy
REAL(KIND=8), DIMENSION(number_of_states) :: state_xmin
REAL(KIND=8), DIMENSION(number_of_states) :: state_xmax
REAL(KIND=8), DIMENSION(number_of_states) :: state_ymin
REAL(KIND=8), DIMENSION(number_of_states) :: state_ymax
REAL(KIND=8), DIMENSION(number_of_states) :: state_zmin
REAL(KIND=8), DIMENSION(number_of_states) :: state_zmax
REAL(KIND=8), DIMENSION(number_of_states) :: state_radius
INTEGER , DIMENSION(number_of_states) :: state_geometry
INTEGER :: g_rect
INTEGER :: g_circ
INTEGER :: g_point
REAL(KIND=8) :: radius,x_cent,y_cent,z_cent
INTEGER :: state
INTEGER :: j,k,jt,kt,l,lt
! State 1 is always the background state
!$OMP PARALLEL PRIVATE(x_cent,y_cent, z_cent, state,radius,jt,kt,lt)
!$OMP DO
DO l=z_min,z_max
DO k=y_min,y_max
DO j=x_min,x_max
energy0(j,k,l)=state_energy(1)
ENDDO
ENDDO
ENDDO
!$OMP END DO
!$OMP DO
DO l=z_min,z_max
DO k=y_min,y_max
DO j=x_min,x_max
density(j,k,l)=state_density(1)
ENDDO
ENDDO
ENDDO
!$OMP END DO
DO state=2,number_of_states
x_cent=state_xmin(state)
y_cent=state_ymin(state)
z_cent=state_zmin(state)
!$OMP DO
DO l=z_min,z_max
DO k=y_min,y_max
DO j=x_min,x_max
IF(state_geometry(state).EQ.g_rect ) THEN
IF(vertexx(j+1).GE.state_xmin(state).AND.vertexx(j).LT.state_xmax(state)) THEN
IF(vertexy(k+1).GE.state_ymin(state).AND.vertexy(k).LT.state_ymax(state)) THEN
IF(vertexz(l+1).GE.state_zmin(state).AND.vertexz(l).LT.state_zmax(state)) THEN
energy0(j,k,l)=state_energy(state)
density(j,k,l)=state_density(state)
ENDIF
ENDIF
ENDIF
ELSEIF(state_geometry(state).EQ.g_circ ) THEN
radius=SQRT((cellx(j)-x_cent)*(cellx(j)-x_cent)+(celly(k)-y_cent)*(celly(k)-y_cent)+(cellz(l)-z_cent)*(cellz(l)-z_cent))
IF(radius.LE.state_radius(state))THEN
energy0(j,k,l)=state_energy(state)
density(j,k,l)=state_density(state)
ENDIF
ELSEIF(state_geometry(state).EQ.g_point) THEN
IF(vertexx(j).EQ.x_cent .AND. vertexy(k).EQ.y_cent .AND. vertexz(l).EQ.z_cent) THEN
energy0(j,k,l)=state_energy(state)
density(j,k,l)=state_density(state)
ENDIF
ENDIF
ENDDO
ENDDO
ENDDO
!$OMP END DO
ENDDO
!$OMP DO
DO l=z_min,z_max
DO k=y_min, y_max
DO j=x_min, x_max
u0(j,k,l) = energy0(j,k,l) * density(j,k,l)
ENDDO
ENDDO
ENDDO
!$OMP END DO
!$OMP END PARALLEL
END SUBROUTINE generate_chunk_kernel
END MODULE generate_chunk_kernel_module