[Python-3000-checkins] r65627 - python/branches/py3k/Doc/tutorial/floatingpoint.rst

georg.brandl python-3000-checkins at python.org
Sun Aug 10 14:16:45 CEST 2008


Author: georg.brandl
Date: Sun Aug 10 14:16:45 2008
New Revision: 65627

Log:
Remove long integer output.


Modified:
   python/branches/py3k/Doc/tutorial/floatingpoint.rst

Modified: python/branches/py3k/Doc/tutorial/floatingpoint.rst
==============================================================================
--- python/branches/py3k/Doc/tutorial/floatingpoint.rst	(original)
+++ python/branches/py3k/Doc/tutorial/floatingpoint.rst	Sun Aug 10 14:16:45 2008
@@ -173,24 +173,24 @@
 the best value for *N* is 56::
 
    >>> 2**52
-   4503599627370496L
+   4503599627370496
    >>> 2**53
-   9007199254740992L
+   9007199254740992
    >>> 2**56/10
-   7205759403792793L
+   7205759403792794.0
 
 That is, 56 is the only value for *N* that leaves *J* with exactly 53 bits.  The
 best possible value for *J* is then that quotient rounded::
 
    >>> q, r = divmod(2**56, 10)
    >>> r
-   6L
+   6
 
 Since the remainder is more than half of 10, the best approximation is obtained
 by rounding up::
 
    >>> q+1
-   7205759403792794L
+   7205759403792794
 
 Therefore the best possible approximation to 1/10 in 754 double precision is
 that over 2\*\*56, or ::
@@ -211,7 +211,7 @@
 its 30 most significant decimal digits::
 
    >>> 7205759403792794 * 10**30 / 2**56
-   100000000000000005551115123125L
+   100000000000000005551115123125
 
 meaning that the exact number stored in the computer is approximately equal to
 the decimal value 0.100000000000000005551115123125.  Rounding that to 17


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