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83 lines
3.7 KiB
C
83 lines
3.7 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include "genlib.h"
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#include "geostat.h"
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#ifndef _TOOLSFFTMA_H
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#define _TOOLSFFTMA_H
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/* Create december, the 16th 2002 */
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/* Modified december, the 9th 2002 */
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/* List of functions: */
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/* ------------------ */
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/* kgeneration, FFTMA2, prebuild_gwn, build_real, addstat2, clean_real */
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/*FUNCTIONS*/
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/*----------*/
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void kgeneration(long seed,struct grid_mod grid,struct statistic_mod stat,struct vario_mod variogram,string filename[8],struct realization_mod *Z,struct realization_mod *Y,struct realization_mod *Y2, int n[3], int *genere, int *gwnwrite, struct realization_mod *gwnoise);
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void kgeneration2(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 *format_file) ;
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/*FAST FOURIER TRANSFORM Pressure Simulation */
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/*Turns a Gaussian white noise vector into a */
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/*spatially correlated vector */
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/*input: */
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/*variogram: structure defining the variogram */
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/* model */
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/*grid: structure defining the grid */
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/*n: vector with the number of cells along the */
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/* X, Y and Z axes for the underlying grid */
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/* i = [0 1 2] */
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/* --> 0 0 0 : n will be computed and */
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/* updated as output */
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/* --> nx ny nz: these dimensions are used */
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/*realin: structure defining a realization - */
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/* must be a Gaussian white noise */
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/*gradient: macroscopic gradient pression vector */
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/*output: */
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/*realout: structure defining a realization - */
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/*realout2: structure defining a pressure field */
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/*realout3: structure defining a xvelocity field */
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/*realout4: structure defining a yvelocity field */
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/*realout5: structure defining a zvelocity field */
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void FFTMA2(struct vario_mod variogram,struct grid_mod grid,int n[3],struct realization_mod *realin,struct realization_mod *realout);
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/* prebuild_gwn */
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/* Produce a first construction in real space of the Gaussian white noise */
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/* grid: structure defining the grid */
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/*n: vector with the number of cells along the */
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/* X, Y and Z axes for the underlying grid */
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/* i = [0 1 2] */
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/* --> 0 0 0 : n will be computed and */
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/* updated as output */
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/* --> nx ny nz: these dimensions are used */
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/*realin: structure defining a realization - */
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/* must be a Gaussian white noise */
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/*realization: structure defining a realization*/
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void prebuild_gwn(struct grid_mod grid,int n[3],struct realization_mod *realin,double *realization,int solver);
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/* build_real */
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/* build a realization in the spectral domain */
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/*n: vector with the number of cells along the */
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/* X, Y and Z axes for the underlying grid */
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/* i = [0 1 2] */
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/* --> 0 0 0 : n will be computed and */
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/* updated as output */
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/* --> nx ny nz: these dimensions are used */
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/*covar: vector defining the covariance in spectral domain */
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/*realization: vector defining the real part */
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/*ireal: vector defining the i-part */
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void build_real(int n[3],int NTOT,double *covar,double *realization,double *ireal);
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void addstat2(struct realization_mod *realin,struct statistic_mod stat ,struct realization_mod *realout,struct realization_mod *realout2);
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void clean_real(struct realization_mod *realin,int n[3],struct grid_mod grid,double *vectorresult,struct realization_mod *realout);
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#endif // define _TOOLSFFTMA_H
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