README.md

Fraction

Instructions

You have to implement the arithmetic operations over fractions. You will be using a Tuple (Int, Int) as the fraction type. A type synonym is already defined as:

type Fraction = (Int, Int)

1. Implement the operations add, sub, mul and divide.

> add (1,2) (1,4)
(6, 8)
> sub (1,2) (1,4)
(2, 8)
>mul (1,2) (1,4)
(1,8)
>divide (1,2) (1,4)
(4,2)

2. Implement the Highest common factor function hcf (AKA greatest common divisor)

> hcf 4 2
2
> hcf 3 2
1
> hcf 2 0
2

3. Modify the functions defined above to simplify the results

> add (1,2) (1,4)
(3, 4)
> sub (1,2) (1,4)
(1, 4)
>mul (1,2) (1,4)
(1,8)
>div (1,2) (1,4)
(2,1)

To Tests this go to Test.hs and comment/uncomment the 2 main functions alternatives

-- Comment this line and uncomment the line below to run the tests doing simplification
main = hspec $ test id
-- main = hspec $ test simplify

Should become

-- Comment this line and uncomment the line below to run the tests doing simplification
-- main = hspec $ test id
main = hspec $ test simplify