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| author | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-04-16 22:12:42 +0000 |
|---|---|---|
| committer | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-04-16 22:12:42 +0000 |
| commit | 4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2 (patch) | |
| tree | 2d17d2388a78082e32f6a97120d707328143543b /AppPkg/Applications/Python/Python-2.7.2/Demo/scripts/pi.py | |
| parent | cbc6b5e54599c7391ece99ad3c5313f4dd4ddda6 (diff) | |
| download | edk2-platforms-4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2.tar.xz | |
AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python 2.7.3 made them unavailable from the python.org web site.
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution.
Signed-off-by: daryl.mcdaniel@intel.com
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'AppPkg/Applications/Python/Python-2.7.2/Demo/scripts/pi.py')
| -rw-r--r-- | AppPkg/Applications/Python/Python-2.7.2/Demo/scripts/pi.py | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/AppPkg/Applications/Python/Python-2.7.2/Demo/scripts/pi.py b/AppPkg/Applications/Python/Python-2.7.2/Demo/scripts/pi.py new file mode 100644 index 0000000000..f46fcffc29 --- /dev/null +++ b/AppPkg/Applications/Python/Python-2.7.2/Demo/scripts/pi.py @@ -0,0 +1,33 @@ +#! /usr/bin/env python
+
+# 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()
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