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# pi.awk --- compute the digits of pi
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#
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# Katie Wasserman, katie@wass.net
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# August 2014
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BEGIN {
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digits = 100000
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two = 2 * 10 ^ digits
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pi = two
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for (m = digits * 4; m > 0; --m) {
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d = m * 2 + 1
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x = pi * m
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intdiv0(x, d, result)
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pi = result["quotient"]
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pi = pi + two
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}
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print pi
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}
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