#include <string.h>
#include "geostat.h"
#include "pressure.h"


#ifndef _TOOLSFFTPSIM_H
#define _TOOLSFFTPSIM_H

/* Create december, the 16th 2002 */

/* List of functions: */
/* ------------------ */
/* pgeneration, FFTPSim, FFTPressure, build_pressure, build_velocity,total_pressure,total_velocity, clean_real2 */

/*Functions */
/*----------*/

void  pgeneration(int n[3],struct grid_mod grid,struct statistic_mod stat,struct vario_mod variogram,string filename[8],struct pressure_mod pression,struct realization_mod *Y,struct realization_mod *P,struct realization_mod *VX,struct realization_mod *VY,struct realization_mod *VZ, int solver);

void  pgeneration2(int n[3],struct grid_mod grid,struct statistic_mod stat,struct vario_mod variogram,string filename[8],struct pressure_mod pression,struct realization_mod *Y,struct realization_mod *P,struct realization_mod *VX,struct realization_mod *VY,struct realization_mod *VZ, int solver, int format_file);

void FFTPSim(struct vario_mod variogram,struct statistic_mod stat,struct grid_mod grid,int n[3],struct realization_mod *realin,struct pressure_mod gradient,struct realization_mod *realout,struct realization_mod *realout2,struct realization_mod *realout3,struct realization_mod *realout4,struct realization_mod *realout5);

//void FFTPressure(int n[3],struct grid_mod grid,struct realization_mod *realin,struct statistic_mod stat,struct pressure_mod gradient,struct realization_mod *realout,struct realization_mod *realout2,struct realization_mod *realout3,struct realization_mod *realout4, int solver);

void build_pressure(int n[3],struct grid_mod grid,struct pressure_mod gradient,double *realization,double *ireal,double *pressure,double *ipressure);

void build_velocity(int n[3],struct grid_mod grid,struct statistic_mod stat,struct pressure_mod gradient,double *realization,double *ireal,double *xvelocity,double *ixvelocity,int direction);

/* 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);

/* total_velocity                                       */
/* Build total velocity in one direction                */
/* grid: structure defining the grid                    */
/* mean: permeability mean                              */
/* dgradient: macroscopic pressure gradient in wanted direction   */
/* realout: structure defining a X velocity realization */

void total_velocity(struct grid_mod grid,double mean,int direction,struct pressure_mod gradient,struct realization_mod *realout);

void normAxes(double *vec, double *normed);
void waveVectorCompute1D(int n,double *vec);

void waveVectorCompute3D(int nX,int nY, int nZ, /*float dX, float dY, float dZ,*/ double nDir[3], double *waveVect);

void mat_vec(double *C, double *x, double *b, int n);


#endif // define _TOOLSFFTPSIM_H