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#ifndef SOBOL_H
#define SOBOL_H
#ifdef __cplusplus
extern "C" {
#endif
#define SOBOL_MAXBIT 30
#define SOBOL_MAXDIM 40
/* Object definition */
struct _sobol {
/* Private: */
int dim; /* dimension we're set for */
unsigned int count;
double recipd;
int lastq[SOBOL_MAXDIM];
int dir[SOBOL_MAXBIT][SOBOL_MAXDIM];
/* Public: */
/* Methods */
/* Get the next sobol vector, return nz if we've run out */
/* Values are between 0.0 and 1.0 */
int (*next)(struct _sobol *s, double *v);
/* Rest to the begining of the sequence */
void (*reset)(struct _sobol *s);
/* We're done with the object */
void (*del)(struct _sobol *s);
}; typedef struct _sobol sobol;
/* Return NULL on error */
sobol *new_sobol(int dim);
#ifdef __cplusplus
}
#endif
#endif /* SOBOL_H */
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