#ifndef CALC_HISTOGRAMS_H
#define CALC_HISTOGRAMS_H

#define BB (4)
/*
 * calcHistograms:
 * ai is a 3-D array: 1st dim = Gabor frequency, 2nd dim = AU, 3rd dim = time.
 * n1, n2, and n3 describe how large each dimension of ai is. The function returns
 * a dynamically allocated (caller must free it) 1-D array whose length is BB * n1 * n2.
 */
double *calcHistograms (double ***ai, int n1, int n2, int n3);

#endif