shuffleTest.frink

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/** This tests the array.shuffle[] method for uniform distribution. */

elements = 5

a = array[1 to elements]

results = new dict
count = million
for i=1 to count
{
   b = a.shallowCopy[]
   b.shuffle[]
   if results@b == undef
      results@b = 1
   else
      results@b = results@b + 1
}

println[join["\n",results]]

g = new graphics
g.font["SansSerif", 1]
y = 0
scale = count/(elements!)
for [key, num] = results
{
   g.text[key, 0, y, "right", "center"]
   g.fillRectSides[0,y-.5,num/scale*100,y+.5]
   y = y + 2
}

g.show[]


Download or view shuffleTest.frink in plain text format


This is a program written in the programming language Frink.
For more information, view the Frink Documentation or see More Sample Frink Programs.

Alan Eliasen was born 19355 days, 23 hours, 56 minutes ago.