Download or view shuffleTest.frink in plain text format
/** 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.
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Alan Eliasen was born 19963 days, 15 hours, 20 minutes ago.