nextCubeBox3D()

static CubeBox3D* nextCubeBox3D ( CubeBox3D *  cube_box, BOX3D *  centroid, uint8  octant  )

static

Definition at line 225 of file gserialized_spgist_3d.c.

{
        CubeBox3D *next_cube_box = (CubeBox3D *)palloc(sizeof(CubeBox3D));
 
        memcpy(next_cube_box, cube_box, sizeof(CubeBox3D));
 
        if (octant & 0x20)
                next_cube_box->left.xmin = centroid->xmin;
        else
                next_cube_box->left.xmax = centroid->xmin;
 
        if (octant & 0x10)
                next_cube_box->right.xmin = centroid->xmax;
        else
                next_cube_box->right.xmax = centroid->xmax;
 
        if (octant & 0x08)
                next_cube_box->left.ymin = centroid->ymin;
        else
                next_cube_box->left.ymax = centroid->ymin;
 
        if (octant & 0x04)
                next_cube_box->right.ymin = centroid->ymax;
        else
                next_cube_box->right.ymax = centroid->ymax;
 
        if (octant & 0x02)
                next_cube_box->left.zmin = centroid->zmin;
        else
                next_cube_box->left.zmax = centroid->zmin;
 
        if (octant & 0x01)
                next_cube_box->right.zmin = centroid->zmax;
        else
                next_cube_box->right.zmax = centroid->zmax;
 
        return next_cube_box;
}

References centroid(), CubeBox3D::left, CubeBox3D::right, BOX3D::xmax, BOX3D::xmin, BOX3D::ymax, BOX3D::ymin, BOX3D::zmax, and BOX3D::zmin.

Referenced by gserialized_spgist_inner_consistent_3d().

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