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Export new math procs

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def 2015-01-12 23:44:14 +01:00
commit 8c92a78853
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lib/pure/math.nim
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@ -280,11 +280,11 @@ proc random*[T](x: Slice[T]): T =
## For a slice `a .. b` returns a value in the range `a .. b-1`. ## For a slice `a .. b` returns a value in the range `a .. b-1`.
result = random(x.b - x.a) + x.a result = random(x.b - x.a) + x.a
proc random[T](a: openArray[T]): T = proc random*[T](a: openArray[T]): T =
## returns a random element from the openarray `a`. ## returns a random element from the openarray `a`.
result = a[random(a.low..a.len)] result = a[random(a.low..a.len)]
proc shuffle[T](a: var openArray[T]) = proc shuffle*[T](a: var openArray[T]) =
## Shuffles the elements in `a`. Note that ``randomize`` needs to be called ## Shuffles the elements in `a`. Note that ``randomize`` needs to be called
## to initialize the random number generator, otherwise ``shuffle`` always ## to initialize the random number generator, otherwise ``shuffle`` always
## shuffles in the same way. ## shuffles in the same way.