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initialise_chunk_kernel_c.c
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initialise_chunk_kernel_c.c
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/*Crown Copyright 2012 AWE.
*
* This file is part of CloverLeaf.
*
* CloverLeaf 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.
*
* CloverLeaf 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
* CloverLeaf. If not, see http://www.gnu.org/licenses/. */
/**
* @brief Driver for chunk initialisation.
* @author Wayne Gaudin
* @details Invokes the user specified chunk initialisation kernel.
*/
#include <stdio.h>
#include <stdlib.h>
#include "ftocmacros.h"
#include <math.h>
void initialise_chunk_kernel_c_(int *xmin,int *xmax,int *ymin,int *ymax,
double *minx,
double *miny,
double *dx,
double *dy,
double *vertexx,
double *vertexdx,
double *vertexy,
double *vertexdy,
double *cellx,
double *celldx,
double *celly,
double *celldy,
double *volume,
double *xarea,
double *yarea)
{
int x_min=*xmin;
int x_max=*xmax;
int y_min=*ymin;
int y_max=*ymax;
double min_x=*minx;
double min_y=*miny;
double d_x=*dx;
double d_y=*dy;
int j,k;
#pragma omp parallel
{
#pragma omp for private(j)
#pragma ivdep
for (j=x_min-2;j<=x_max+3;j++) {
vertexx[FTNREF1D(j,x_min-2)]=min_x+d_x*(double)(j-x_min);
}
#pragma omp for private(j)
#pragma ivdep
for (j=x_min-2;j<=x_max+3;j++) {
vertexdx[FTNREF1D(j,x_min-2)]=d_x;
}
#pragma omp for private(j,k)
#pragma ivdep
for (k=y_min-2;k<=y_max+3;k++) {
vertexy[FTNREF1D(k,y_min-2)]=min_y+d_y*(double)(k-y_min);
}
#pragma omp for private(j)
#pragma ivdep
for (k=y_min-2;k<=y_max+3;k++) {
vertexdy[FTNREF1D(k,y_min-2)]=d_y;
}
#pragma omp for private(j)
#pragma ivdep
for (j=x_min-2;j<=x_max+2;j++) {
cellx[FTNREF1D(j,x_min-2)]=0.5*(vertexx[FTNREF1D(j,x_min-2)]+vertexx[FTNREF1D(j+1,x_min-2)]);
}
#pragma omp for private(j)
#pragma ivdep
for (j=x_min-2;j<=x_max+2;j++) {
celldx[FTNREF1D(j,x_min-2)]=d_x;
}
#pragma omp for private(j)
#pragma ivdep
for (k=y_min-2;k<=y_max+2;k++) {
celly[FTNREF1D(k,y_min-2)]=0.5*(vertexy[FTNREF1D(k,y_min-2)]+vertexy[FTNREF1D(k+1,x_min-2)]);
}
#pragma omp for private(j)
#pragma ivdep
for (k=y_min-2;k<=y_max+2;k++) {
celldy[FTNREF1D(k,y_min-2)]=d_y;
}
#pragma omp for private(j,k)
for (k=y_min-2;k<=y_max+2;k++) {
#pragma ivdep
for (j=x_min-2;j<=x_max+2;j++) {
volume[FTNREF2D(j,k,x_max+4,x_min-2,y_min-2)]=d_x*d_y;
}
}
#pragma omp for private(j,k)
for (k=y_min-2;k<=y_max+2;k++) {
#pragma ivdep
for (j=x_min-2;j<=x_max+2;j++) {
xarea[FTNREF2D(j,k,x_max+5,x_min-2,y_min-2)]=celldy[FTNREF1D(k,y_min-2)];
}
}
#pragma omp for private(j,k)
for (k=y_min-2;k<=y_max+2;k++) {
#pragma ivdep
for (j=x_min-2;j<=x_max+2;j++) {
yarea[FTNREF2D(j,k,x_max+4,x_min-2,y_min-2)]=celldx[FTNREF1D(j,x_min-2)];
}
}
}
}