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28 lines
508 B
Plaintext
28 lines
508 B
Plaintext
NAME
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pi - evaluate pi to specified accuracy
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SYNOPSIS
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pi([eps])
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TYPES
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eps nonzero real, defaults to epsilon()
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return real
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DESCRIPTION
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Returns a multiple of eps differing from the true value of pi by
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less than 0.75 eps, and in nearly all cases by less than 0.5 eps.
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EXAMPLE
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> print pi(1e-5), pi(1e-10), pi(1e-15), pi(1e-20)
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3.14159 3.1415926536 3.141592653589793 3.14159265358979323846
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LIMITS
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eps > 0
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LIBRARY
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NUMBER *qpi(NUMBER *eps)
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SEE ALSO
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XXX - fill in
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