14 lines
290 B
Nim
14 lines
290 B
Nim
import math
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proc agm(a, g: float,delta: float = 1.0e-15): float =
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var
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aNew: float = 0
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aOld: float = a
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gOld: float = g
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while (abs(aOld - gOld) > delta):
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aNew = 0.5 * (aOld + gOld)
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gOld = sqrt(aOld * gOld)
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aOld = aNew
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result = aOld
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echo agm(1.0,1.0/sqrt(2.0))
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