ift.h

#if !defined(AT_IMGPROC_H_INSIDE)
#error "Only <at/imgproc.h> can be included directly."
#endif
#ifndef AT_IFT_H
#define AT_IFT_H
#include <at/core.h>
#include <at/imgproc.h>
AT_BEGIN_DECLS
typedef struct AtIFT{
  // Output
  uint64_t* p;  /*00+08*/
  uint64_t* r;         /*08+08*/
  double  * c;/*16+08*/
  uint8_t * l;        /*24+08*/
              // Total: 32 bytes
}AtIFT;

typedef void
(*AtConnInitu8)(AtIFT* ift, AtArrayU8* array);
typedef void
(*AtConnInitSeeds)(AtIFT* ift, AtSeeds* seeds);
typedef double
(*AtConnFuncu8) (AtIFT* ift, AtGraphArray* graph,
                       uint64_t s, uint64_t t, uint64_t i);

typedef struct AtConnectivity{
  AtConnInitu8    init; 
  AtConnInitSeeds seeds;
  AtConnFuncu8    func; 
  AtOptimization  o;    
}AtConnectivity;

AtConnectivity at_conn_max;
AtConnectivity at_conn_maxr;
AtConnectivity at_conn_min;
AtConnectivity at_conn_minr;
AtConnectivity at_conn_sum;
AtConnectivity at_conn_euc;

/*=============================================================================
 FUNCTIONS
 ============================================================================*/
#define at_ift_apply(input) _Generic((input), Array: at_ift_apply_array)

AtIFT*
at_ift_apply_arrayu8(AtArrayU8*           array,
                     AtGraphArray*        g,
                     AtConnectivity       connectivity,
                     AtSeeds*             seeds,
                     AtPolicy             po);

AtSCC*
at_orfc_core_arrayu8(AtArrayU8     * array,
                     AtGraphArray  * g,
                     AtConnectivity  conn,
                     AtSeeds       * seeds,
                     uint64_t        lblback,
                     AtPolicy        po,
                     AtSCCAlgorithm  sccalgo);
AtIFT*
at_orfc_arrayu8(AtArrayU8*        array,
                AtGraphArray*     g,
                AtConnectivity    conn,
                AtSeeds*          seeds,
                uint64_t          lblback,
                AtPolicy          po);
AtSeeds *at_seeds_from_mask(AtArrayU8* mask);

AT_END_DECLS
#endif