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Diffstat (limited to 'Demo/scripts/pi.py')
-rwxr-xr-x | Demo/scripts/pi.py | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/Demo/scripts/pi.py b/Demo/scripts/pi.py deleted file mode 100755 index 248f81f..0000000 --- a/Demo/scripts/pi.py +++ /dev/null @@ -1,33 +0,0 @@ -#! /usr/bin/env python3 - -# Print digits of pi forever. -# -# The algorithm, using Python's 'long' integers ("bignums"), works -# with continued fractions, and was conceived by Lambert Meertens. -# -# See also the ABC Programmer's Handbook, by Geurts, Meertens & Pemberton, -# published by Prentice-Hall (UK) Ltd., 1990. - -import sys - -def main(): - k, a, b, a1, b1 = 2, 4, 1, 12, 4 - while True: - # Next approximation - p, q, k = k*k, 2*k+1, k+1 - a, b, a1, b1 = a1, b1, p*a+q*a1, p*b+q*b1 - # Print common digits - d, d1 = a//b, a1//b1 - while d == d1: - output(d) - a, a1 = 10*(a%b), 10*(a1%b1) - d, d1 = a//b, a1//b1 - -def output(d): - # Use write() to avoid spaces between the digits - sys.stdout.write(str(d)) - # Flush so the output is seen immediately - sys.stdout.flush() - -if __name__ == "__main__": - main() |