square_state_next()

static void square_state_next ( SquareGridState *  state )

static

Definition at line 210 of file lwgeom_generate_grid.c.

{
        if (!state || state->done) return;
        /* Move up one row */
        state->j++;
        /* Off the end, increment column counter, reset row counter back to (appropriate) minimum */
        if (state->j > state->row_max)
        {
                state->i++;
                state->j = state->row_min;
        }
        /* Column counter over max means we have used up all combinations */
        if (state->i > state->column_max)
        {
                state->done = true;
        }
}

References SquareGridState::column_max, SquareGridState::done, SquareGridState::i, SquareGridState::j, SquareGridState::row_max, and SquareGridState::row_min.

Referenced by ST_ShapeGrid().

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