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Haskell reference |

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Module: | Random |
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Function: | randomR |

Type: | (Random a, RandomGen b) => (a,a) -> b -> (a,b) |

Class: | Random |

Description: | randomR takes a range (lo,hi) and a random number generator g, and returns a random value uniformly distributed in the closed interval [lo,hi], together with a new generator. |

Related: |

Example 1

Programimport Random main = do a <- drawInt 1 10 b <- drawInt 1 10 x <- drawDouble 0.0 1.0 print a print b print x drawInt :: Int -> Int -> IO Int drawInt x y = getStdRandom (randomR (x,y)) drawDouble :: Double -> Double -> IO Double drawDouble x y = getStdRandom (randomR (x,y))^{source}:

**Output: **6

**Output: **2

**Output: **0.8674070605466624