#include <stdio.h>
#include <stddef.h>
#include <stdarg.h>
#include <stdlib.h>
#include "geostat.h"
#include "pressure.h"



/* total_pressure                                       */
/* Build total pressure                                 */
/* grid: structure defining the grid                    */
/* pression: structure defining the gradient pressure  */
/* realout: structure defining a realization            */

void total_pressure(struct grid_mod grid,struct pressure_mod gradient,struct realization_mod *realout)
{
  int i,j,k,maille0,maille1;
  double temp,reference;

  reference=abs(gradient.x)*grid.NX*grid.DX+abs(gradient.y)*grid.NY*grid.DY+abs(gradient.z)*grid.NZ*grid.DZ;
 /* pressure reconstruction */
  for ( k = 0; k < grid.NZ; k++) {
    for (j = 0; j < grid.NY; j++) {
      for (i = 0; i < grid.NX; i++) {
	maille1 = i+(j+k*grid.NY)*grid.NX;
/* 	temp=reference+gradient.x*i*grid.DX+gradient.y*j*grid.DY+gradient.z*k*grid.DZ+(*realout).vector[maille1]; */
	temp=-gradient.x*(i+1)/grid.NX-gradient.y*(j+1)/grid.NY-gradient.z*(k+1)/grid.NZ+(*realout).vector[maille1];
	(*realout).vector[maille1]=temp;
      }
    }
  }

  return;
}