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authorRaymond Hettinger <python@rcn.com>2003-12-10 15:22:23 +0000
committerRaymond Hettinger <python@rcn.com>2003-12-10 15:22:23 +0000
commitacaefa673edbbaa89dd51444a90e5c61bd952cc3 (patch)
treef7f4b787027a692f73afd5527609b744e3595139 /Demo
parent170392d69533e9e2cc03fa721a96db262e13c6ba (diff)
downloadcpython-acaefa673edbbaa89dd51444a90e5c61bd952cc3.tar.gz
Revert previous change which didn't make sense the next day :-)
Diffstat (limited to 'Demo')
-rwxr-xr-xDemo/scripts/mpzpi.py34
1 files changed, 18 insertions, 16 deletions
diff --git a/Demo/scripts/mpzpi.py b/Demo/scripts/mpzpi.py
index 03b90fba30..93c74aa398 100755
--- a/Demo/scripts/mpzpi.py
+++ b/Demo/scripts/mpzpi.py
@@ -8,25 +8,27 @@
# published by Prentice-Hall (UK) Ltd., 1990.
import sys
+from mpz import mpz
def main():
- k, a, b, a1, b1 = 2, 4, 1, 12, 4
- while 1:
- # 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
+ mpzone, mpztwo, mpzten = mpz(1), mpz(2), mpz(10)
+ k, a, b, a1, b1 = mpz(2), mpz(4), mpz(1), mpz(12), mpz(4)
+ while 1:
+ # Next approximation
+ p, q, k = k*k, mpztwo*k+mpzone, k+mpzone
+ 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 = mpzten*(a%b), mpzten*(a1%b1)
+ d, d1 = a/b, a1/b1
def output(d):
- # Use write() to avoid spaces between the digits
- # Use int(d) to avoid a trailing L after each digit
- sys.stdout.write(`int(d)`)
- # Flush so the output is seen immediately
- sys.stdout.flush()
+ # Use write() to avoid spaces between the digits
+ # Use int(d) to avoid a trailing L after each digit
+ sys.stdout.write(`int(d)`)
+ # Flush so the output is seen immediately
+ sys.stdout.flush()
main()