#include <stdio.h>

#include <math.h>

#include <stdlib.h>

#include <malloc.h>

int krig(void);

int ludcmp(void);

int lubksb(void);

double sinehole(double h, double svar[3], int nparam);

double g_quad(double x, double y, double z,

double xcen, double ycen, double zcen,

double dx, double dy, double dz, double svar[3]);

int negwts(void);