Contents

module Squares (squareOfSums, sumOfSquares, difference) where

square :: Integral a => a -> a
square n = n * n

squareOfSums :: Integral a => a -> a
squareOfSums n = square $ n * succ n `div` 2

sumOfSquares :: Integral a => a -> a
sumOfSquares n = (2 * n3 + 3 * n2 + n) `div` 6
  where n2 = square n
        n3 = n * n2

difference :: Integral a => a -> a
difference n = squareOfSums n - sumOfSquares n

Version data entries

396 entries across 396 versions & 1 rubygems

Version	Path
trackler-2.0.0.5	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.0.4	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.0.3	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.0.2	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-2.0.0.1	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-2.0.0.0	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-1.0.4.1	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-1.0.4.0	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-1.0.3.0	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-1.0.2.1	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-1.0.2.0	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-1.0.1.2	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-1.0.1.1	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-1.0.1.0	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-1.0.0.1	tracks/haskell/exercises/difference-of-squares/src/Example.hs
trackler-1.0.0	tracks/haskell/exercises/difference-of-squares/src/Example.hs