summaryrefslogtreecommitdiffstats
path: root/Doc/lib
diff options
context:
space:
mode:
authorGuido van Rossum <guido@python.org>1994-05-09 14:54:24 (GMT)
committerGuido van Rossum <guido@python.org>1994-05-09 14:54:24 (GMT)
commite6ef03260cabcf8ae5972ef40e49b44e2ea82978 (patch)
tree0008e5032afd321f4704a831e77c6df87e3aec06 /Doc/lib
parent7faf67caf563d0e379f41d3b3a24b87b9ec47bd9 (diff)
downloadcpython-e6ef03260cabcf8ae5972ef40e49b44e2ea82978.zip
cpython-e6ef03260cabcf8ae5972ef40e49b44e2ea82978.tar.gz
cpython-e6ef03260cabcf8ae5972ef40e49b44e2ea82978.tar.bz2
* Doc/libtypes.tex: fix typo in table of list methods; clarify
truncation behavior of floating point formatting * Doc/ref3.tex: clarify defaults for __repr__, __cmp__ and __str__; correct (some) descriptions of class constructors
Diffstat (limited to 'Doc/lib')
-rw-r--r--Doc/lib/libtypes.tex13
1 files changed, 9 insertions, 4 deletions
diff --git a/Doc/lib/libtypes.tex b/Doc/lib/libtypes.tex
index 8c77e49..5fde9d0 100644
--- a/Doc/lib/libtypes.tex
+++ b/Doc/lib/libtypes.tex
@@ -307,9 +307,14 @@ are not supported. Since Python strings have an explicit length,
\code{\%s} conversions don't assume that \code{'\\0'} is the end of
the string.
-For safety reasons, huge floating point precisions are truncated;
-\code{\%f} conversions for huge numbers are replaced by
-\code{\%g} conversions. All other errors raise exceptions.
+For safety reasons, floating point precisions are clipped to 50;
+\code{\%f} conversions for numbers whose absolute value is over 1e25
+are replaced by \code{\%g} conversions.%
+\footnote{These numbers are fairly arbitrary. They are intended to
+avoid printing endless strings of meaningless digits without hampering
+correct use and without having to know the exact precision of floating
+point values on a particular machine.}
+All other errors raise exceptions.
If the right argument is a dictionary (or any kind of mapping), then
the formats in the string must have a parenthesized key into that
@@ -350,7 +355,7 @@ The following operations are defined on mutable sequence types (where
\lineiii{del \var{s}[\var{i}:\var{j}]}
{same as \code{\var{s}[\var{i}:\var{j}] = []}}{}
\lineiii{\var{s}.append(\var{x})}
- {same as \code{\var{s}[len(\var{x}):len(\var{x})] = [\var{x}]}}{}
+ {same as \code{\var{s}[len(\var{s}):len(\var{s})] = [\var{x}]}}{}
\lineiii{\var{s}.count(\var{x})}
{return number of \var{i}'s for which \code{\var{s}[\var{i}] == \var{x}}}{}
\lineiii{\var{s}.index(\var{x})}