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simulacion-permeabilidad/fftma_module/gen/LIB_FFTMA2/kgeneration.c

80 lines
1.8 KiB
C

#include <stdio.h>
#include <stddef.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include "genlib.h"
#include "simpio.h"
#include "geostat.h"
#include "toolsIO.h"
#include "toolsFFTMA.h"
/* kgeneration */
/* Z is the GWN with 0-mean and 1-variance */
/* Y1 is the realization with 0-mean and variance wanted */
/* Y is the realization with mean and variance wanted */
void kgeneration(long seed,struct grid_mod grid,struct statistic_mod stat,struct vario_mod variogram,string filename[7],struct realization_mod *Z,struct realization_mod *Y,struct realization_mod *Y1, int n[3], int *genere, int *gwnwrite, struct realization_mod *gwnoise)
{
int i,N;
int typelog;
string file1,file2;
/*generate Gaussian white noise*/
N = grid.NX*grid.NY*grid.NZ;
n[0] = 0;
n[1] = 0;
n[2] = 0;
printf("\n\n\n");
switch (*genere)
{
case 0:
generate(&seed,N,Z);
/*save the Gaussian white noise file*/
if (*gwnwrite == 0)
{
writefile(filename[0],Z);
}
break;
case 1:
(*Z).vector=(double *) malloc(N*sizeof(double));
(*Z).n = N;
for (i=0;i<N;i++)
{
(*Z).vector[i]=(*gwnoise).vector[i];
}
break;
}
/*FFTMA*/
FFTMA2(variogram,grid,n,Z,Y);
/* file1="prout"; */
/* writefile(file1,Y); */
/*add the statistics*/
if (stat.mean[0] != 0 || stat.variance[0]!= 1)
addstat2(Y,stat,Y1,Y);
/* file2="prout2"; */
/* writefile(file2,Y); */
/* make a log normal realization */
if (stat.type==1 || stat.type==2){
typelog=stat.type+2;
nor2log(Y1,typelog,Y1);
nor2log(Y,typelog,Y);
}
/*save the realization*/
/* writefile(filename[0],Y1); */
/*save the permeability realization*/
writefile_bin(filename[1],Y);
readfile_bin(filename[1],Y);
return;
}