source: issm/branches/trunk-jpl-damage/src/modules/Kriging/Kriging.cpp@ 12258

/*\file Kriging.c
 *\brief: best linear predictor
 */
#include "./Kriging.h"

void mexFunction( int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]){

        /*Outputs*/
        double  *x            = NULL;
        double  *y            = NULL;
        double  *observations = NULL;
        double  *x_interp     = NULL;
        double  *y_interp     = NULL;
        double  *predictions  = NULL;
        double  *error        = NULL;
        Options *options      = NULL;
        int      N_interp,M_interp,M,N,n_obs;

        /*Boot module: */
        MODULEBOOT();

        /*checks on arguments on the matlab side: */
        if (nrhs<NRHS || nlhs>NLHS){
                KrigingUsage(); _error_("Kriging usage error");
        }

        /*Fetch inputs: */
        FetchData(&x,&n_obs,X);
        FetchData(&y,&N,Y);                       if(n_obs!=N) _error_("x and y should have the same size");
        FetchData(&observations,&N,OBSERVATIONS); if(n_obs!=N) _error_("x and observations should have the same size");
        FetchData(&x_interp,&M_interp,&N_interp,XINTERP);
        FetchData(&y_interp,&M,&N,YINTERP);       if(N!=N_interp || M!=M_interp) _error_("x_interp and y_interp should have the same size");
        FetchData(&options,NRHS,nrhs,prhs);

        /*Call x layer*/
        Krigingx(&predictions,&error,x,y,observations,n_obs,x_interp,y_interp,M_interp*N_interp,options);

        /*Generate output Matlab Structures*/
        if(nlhs>=1) WriteData(PREDICTIONS,predictions,M_interp,N_interp);
        if(nlhs==2) WriteData(ERROR,error,M_interp,N_interp);

        /*Free ressources: */
        xfree((void**)&x);
        xfree((void**)&y);
        xfree((void**)&observations);
        xfree((void**)&x_interp);
        xfree((void**)&y_interp);
        xfree((void**)&predictions);
        xfree((void**)&error);

        /*end module: */
        MODULEEND();
}

void KrigingUsage(void){
        _printf_(true,"\n");
        _printf_(true,"   usage: predictions=%s(x,y,observations,x_interp,y_interp);\n",__FUNCT__);
        _printf_(true,"\n");
}