import operator
import functools


def mktuple(thing):
    if isinstance(thing, (list, tuple)):
        return tuple(thing)
    return (thing, thing)


def coord_op(fun, coord, operand):
    operand = mktuple(operand)
    return (fun(coord[0], operand[0]),
            fun(coord[1], operand[1]))


def mk_cop(op):
    return functools.partial(coord_op, op)


def mk_cuop(op):
    return lambda coord: (op(coord[0]), op(coord[1]))


cadd = mk_cop(operator.add)
csub = mk_cop(operator.sub)
cmul = mk_cop(operator.mul)
cdiv = mk_cop(operator.div)
cclamp = mk_cop(lambda a, b: max(min(a, b), -b))

cint = mk_cuop(int)
cneg = mk_cuop(lambda a: -a)
cabs = mk_cuop(abs)