nextRectBox()

static RectBox* nextRectBox ( RectBox *  rect_box, BOX2DF *  centroid, uint8  quadrant  )

static

Definition at line 183 of file gserialized_spgist_2d.c.

{
        RectBox *next_rect_box = (RectBox *)palloc(sizeof(RectBox));
 
        memcpy(next_rect_box, rect_box, sizeof(RectBox));
 
        if (quadrant & 0x8)
                next_rect_box->left.xmin = centroid->xmin;
        else
                next_rect_box->left.xmax = centroid->xmin;
 
        if (quadrant & 0x4)
                next_rect_box->right.xmin = centroid->xmax;
        else
                next_rect_box->right.xmax = centroid->xmax;
 
        if (quadrant & 0x2)
                next_rect_box->left.ymin = centroid->ymin;
        else
                next_rect_box->left.ymax = centroid->ymin;
 
        if (quadrant & 0x1)
                next_rect_box->right.ymin = centroid->ymax;
        else
                next_rect_box->right.ymax = centroid->ymax;
 
        return next_rect_box;
}

References centroid(), RectBox::left, and RectBox::right.

Referenced by gserialized_spgist_inner_consistent_2d().

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