getOctant()

static uint16_t getOctant ( const GIDX *  centroid, const GIDX *  inBox  )

static

Definition at line 125 of file gserialized_spgist_nd.c.

{
        uint16_t octant = 0, dim = 0x01;
        int ndims, i;
 
        ndims = Min(GIDX_NDIMS(centroid), GIDX_NDIMS(inBox));
 
        for (i = 0; i < ndims; i++)
        {
                /* If the missing dimension was not padded with -+FLT_MAX */
                if (GIDX_GET_MAX(centroid, i) != FLT_MAX && GIDX_GET_MAX(inBox, i) != FLT_MAX)
                {
                        if (GIDX_GET_MAX(inBox, i) > GIDX_GET_MAX(centroid, i))
                                octant |= dim;
                        dim = dim << 1;
                        if (GIDX_GET_MIN(inBox, i) > GIDX_GET_MIN(centroid, i))
                                octant |= dim;
                        dim = dim << 1;
                }
        }
 
        return octant;
}

References centroid().

Referenced by gserialized_spgist_choose_nd(), and gserialized_spgist_picksplit_nd().

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