CalcSimuFFT.cpp File Reference

#include "geoslib_old_f.h"
#include "Db/DbGrid.hpp"
#include "Db/Db.hpp"
#include "Model/Model.hpp"
#include "Simulation/ACalcSimulation.hpp"
#include "Simulation/SimuFFTParam.hpp"
#include "Simulation/CalcSimuFFT.hpp"
#include "Basic/Law.hpp"
#include "Basic/VectorHelper.hpp"
#include <math.h>

Macros
#define	IND(ix, iy, iz)   ((iz) + _dims[2] * ((iy) + _dims[1] * (ix)))
#define	U(ix, iy, iz)   (_u[IND(ix,iy,iz)])

Functions
int	simfft (DbGrid *db, Model *model, SimuFFTParam &param, int nbsimu, int seed, int verbose, const NamingConvention &namconv)
VectorDouble	getChangeSupport (DbGrid *db, Model *model, const SimuFFTParam &param, const VectorDouble &sigma, int seed, bool verbose)

Macro Definition Documentation

#define IND	(		ix,
			iy,
			iz
	)		((iz) + _dims[2] * ((iy) + _dims[1] * (ix)))

#define U	(		ix,
			iy,
			iz
	)		(_u[IND(ix,iy,iz)])

Function Documentation

VectorDouble getChangeSupport	(	DbGrid *	db,
		Model *	model,
		const SimuFFTParam &	param,
		const VectorDouble &	sigma,
		int	seed,
		bool	verbose
	)

Calculate the change of support coefficients by FFT method in the lognormal case on a grid

Returns

r^2 coefficients for the different logarithmic variances

Parameters

[in]	db	Db structure
[in]	model	Model structure
[in]	param	SimuFFTParam structure
[in]	sigma	Array of logarithmic variances
[in]	seed	Seed for random number generator
[in]	verbose	Verbose flag

int simfft	(	DbGrid *	db,
		Model *	model,
		SimuFFTParam &	param,
		int	nbsimu,
		int	seed,
		int	verbose,
		const NamingConvention &	namconv
	)

Perform the non-conditional simulation by FFT method on a grid

Returns

Error return code

Parameters

[in]	db	Db structure
[in]	model	Model structure
[in]	param	SimuFFTParam structure
[in]	nbsimu	Number of simulations
[in]	seed	Value of the seed
[in]	verbose	Verbose flag
[in]	namconv	Naming Convention