/* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
#ifndef GRADIENT_FILTER_H
#define GRADIENT_FILTER_H

typedef enum {
    DATRAW_UCHAR,
    DATRAW_FLOAT,
    DATRAW_USHORT
} DataType;

extern void computeGradients(float *gradients, void *volData,
                             int *sizes, float *spacing, DataType dataType);

extern void filterGradients(float *gradients, int *sizes);

extern void quantizeGradients(float *gradientsIn, void *gradientsOut,
                              int *sizes, DataType dataType);

#endif