CPLIB_COLLECTIONS_SLOPETRICK = 1

proc add_a_minus_x(f: SlopeTrick; a: int) {....raises: [], tags: [].}

proc add_abs(f: SlopeTrick; a: int) {....raises: [], tags: [].}

proc add_all(f: SlopeTrick; a: int) {....raises: [], tags: [].}

proc add_x_minus_a(f: SlopeTrick; a: int) {....raises: [], tags: [].}

proc clearL(f: SlopeTrick) {....raises: [], tags: [].}

proc clearR(f: SlopeTrick) {....raises: [], tags: [].}

proc initSlopeTrick(a: int): SlopeTrick {....raises: [], tags: [].}

proc min(f: SlopeTrick): int {....raises: [], tags: [].}

proc min_index(f: SlopeTrick): int {....raises: [], tags: [].}

proc shift(f: SlopeTrick; a: int) {....raises: [], tags: [].}