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123 commits

Author SHA1 Message Date
Raymond Hettinger
ed171abd93 Issue 8257: Decimal constructor to accept float. 2010-04-02 18:39:24 +00:00
Mark Dickinson
f3eeca16cb Issue #7279: Make Decimal('nan') hashable. Decimal('snan') remains unhashable. 
Also rewrite the Decimal __hash__ method so that it doesn't rely on
float('inf') being valid: float('inf') could raise an exception on
platforms not using IEEE 754 arithmetic.
 2010-04-02 10:35:12 +00:00
Mark Dickinson
e096e82e82 Issue #7279: Make comparisons involving a Decimal sNaN signal InvalidOperation. 2010-04-02 10:17:07 +00:00
Mark Dickinson
99d8096c17 Issue #2531: Make float-to-decimal comparisons return correct results. 
Float to decimal comparison operations now return a result based on
the numeric values of the operands.  Decimal.__hash__ has also been
fixed so that Decimal and float values that compare equal have equal
hash value.
 2010-04-02 08:53:22 +00:00
Mark Dickinson
456e1652cf Doctest fixes for decimal.py: add an integer-argument doctest for logical_invert; don't use integer literals with a leading zero. 2010-02-18 14:45:33 +00:00
Mark Dickinson
6d8effb1fc Issue #7633: Context method in the decimal module (with the exception 
of the 'canonical' and 'is_canonical' methods) now consistently accept
integer arguments wherever a Decimal instance is accepted.  Thanks
Juan José Conti for the patch.
 2010-02-18 14:27:02 +00:00
Benjamin Peterson
28e369a8f8 compare types with is not == 2010-01-25 03:58:21 +00:00
Benjamin Peterson
a617e208fc mention from_float() in error message 2010-01-25 03:52:52 +00:00
Mark Dickinson
202eb9094c Add missing docstring for Context.divmod. Thanks Juan José Conti. 2010-01-06 16:20:22 +00:00
Mark Dickinson
6f3900163a Issue #7233: Fix Decimal.shift and Decimal.rotate methods for 
arguments with more digits than the current context precision.
Bug reported by Stefan Krah.
 2009-10-29 12:11:18 +00:00
Mark Dickinson
0c67312c5c Issue #7233: A number of two-argument Decimal methods were failing to 
accept ints and longs for the second argument.
 2009-10-29 12:04:00 +00:00
Mark Dickinson
a7a52ab7ee Issue #7099: Decimal.is_normal should return True for all nonzero 
finite non-subnormal values, even those with exponent > Emax.
 2009-10-20 13:33:03 +00:00
Mark Dickinson
15ae41c2db Issue #7048: logb should round its result when that result doesn't fit 
into the available precision.  (Tests for this change are included in
the most recent set of testcases from the Decimal Specification site;
those testcases will be updated shortly.)
 2009-10-07 19:22:05 +00:00
Mark Dickinson
5cfa8044ff Issue #6857: Fix Decimal formatting to be consistent with existing float 
formatting:  both are now right-aligned by default.
 2009-09-08 20:20:19 +00:00
Mark Dickinson
968f1690d3 #Issue 6795: Fix infinite recursion in long(Decimal('nan')); change int(Decimal('nan')) to raise ValueError instead of either returning NaN or raising InvalidContext. 2009-09-07 18:04:58 +00:00
Mark Dickinson
491ea55f28 Issue #6850: Fix bug in Decimal._parse_format_specifier for formats 
with no type specifier.
 2009-09-07 16:17:41 +00:00
Mark Dickinson
7a7739d75e Issue #6794: Fix handling of NaNs in Decimal.compare_total and 
Decimal.compare_total_mag.
 2009-08-28 13:25:02 +00:00
Mark Dickinson
4326ad8f72 Issue #6595: Allow Decimal constructor to accept non-European decimal 
digits, as recommended by the specification.  (Backport of r74279 from
py3k.)
 2009-08-02 10:59:36 +00:00
Raymond Hettinger
a016debad0 Update spec version number. 2009-04-27 21:12:27 +00:00
Mark Dickinson
b14514a153 Fix bug in _insert_thousands_sep: too much zero padding could be 
added for 'n' formats with non-repeating thousands-separator.
 2009-03-18 08:22:51 +00:00
Mark Dickinson
277859d591 Issue #2110: Add support for thousands separator and 'n' format specifier 
to Decimal __format__ method.
 2009-03-17 23:03:46 +00:00
Mark Dickinson
b065e52bc2 Fix bug in Decimal __format__ method that swapped left and right 
alignment.
 2009-03-17 18:01:03 +00:00
Raymond Hettinger
daeceb2de8 Add a version tag to the decimal module. 2009-03-10 04:49:21 +00:00
Raymond Hettinger
2c8585b0af Register decimals as numbers.Number 2009-02-03 03:37:03 +00:00
Mark Dickinson
e52c31450d Remove uses of cmp from the decimal module. 2009-01-25 10:39:15 +00:00
Mark Dickinson
65808ff0c0 More Python 2.3 compatibility fixes for decimal.py. 2009-01-04 21:22:02 +00:00
Mark Dickinson
6a961637a8 Fix Decimal.from_float to use valid Python 2.3 syntax, as per 
comments at top of decimal.py.  (But note that the from_float
method itself with still not be usable before Python 2.7.)
See issue 4796 for discussion.
 2009-01-04 21:10:56 +00:00
Raymond Hettinger
b7e835b820 Reapply r68191. 2009-01-03 19:08:10 +00:00
Raymond Hettinger
f4d8597a59 Issue 4796: Add from_float methods to the decimal module. 2009-01-03 19:02:23 +00:00
Mark Dickinson
4aa04db573 Issue #4812: further renaming of internal Decimal constants, for clarity. 2009-01-03 12:07:20 +00:00
Mark Dickinson
c5de0969ca Issue #4812: add missing underscore prefix to some internal-use-only 
constants in the decimal module.  (Dec_0 becomes _Dec_0, etc.)
 2009-01-02 23:07:08 +00:00
Facundo Batista
e29d435e0c Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to 
give correct results in the case where one argument is a quiet NaN
and the other is a finite number that requires rounding.
Thanks Mark Dickinson.
 2008-12-11 04:19:46 +00:00
Neal Norwitz
18aa388ca0 Fix: 
* crashes on memory allocation failure found with failmalloc
 * memory leaks found with valgrind
 * compiler warnings in opt mode which would lead to invalid memory reads
 * problem using wrong name in decimal module reported by pychecker

Update the valgrind suppressions file with new leaks that are small/one-time
leaks we don't care about (ie, they are too hard to fix).

TBR=barry
TESTED=./python -E -tt ./Lib/test/regrtest.py -uall (both debug and opt modes)
  in opt mode:
  valgrind -q --leak-check=yes --suppressions=Misc/valgrind-python.supp \
    ./python -E -tt ./Lib/test/regrtest.py -uall,-bsddb,-compiler \
                        -x test_logging test_ssl test_multiprocessing
  valgrind -q --leak-check=yes --suppressions=Misc/valgrind-python.supp \
    ./python -E -tt ./Lib/test/regrtest.py test_multiprocessing
  for i in `seq 1 4000` ; do
    LD_PRELOAD=~/local/lib/libfailmalloc.so FAILMALLOC_INTERVAL=$i \
        ./python -c pass
  done

At least some of these fixes should probably be backported to 2.5.
 2008-08-24 05:04:52 +00:00
Nick Coghlan
53663a695e Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful 2008-07-15 14:27:37 +00:00
Mark Dickinson
70c3289085 Replace occurrences of '\d' with '[0-9]' in Decimal regex, to make sure 
that the behaviour of Decimal doesn't change if/when re.UNICODE becomes
assumed in Python 3.0.

Also add a check that alternative Unicode digits (e.g. u'\N{FULLWIDTH
DIGIT ONE}') are *not* accepted in a numeric string.
 2008-07-02 09:37:01 +00:00
Mark Dickinson
71f3b85497 Make sure that Context traps and flags dictionaries have values 0 and 1 
(as documented) rather than True and False.
 2008-05-04 02:25:46 +00:00
Mark Dickinson
8aca9d032e Some very minor changes to decimal.py in Python 2.6, aimed 
at reducing the size of the diff between the 2.x decimal.py
and 3.x decimal.py and thereby making future merges easier:

- replace one instnace of an old-style raise statement
- define __div__ in terms of __truediv__ instead of the
  other way around
- make wording match on an exception message
 2008-05-04 02:05:06 +00:00
Mark Dickinson
1840c1abca Backport Raymond's changes in r60508 to Python 2.6. 
'Context flags get set, not incremented'
 2008-05-03 18:23:14 +00:00
Facundo Batista
ee340e501d Fixed some test structures. Thanks Mark Dickinson. 2008-05-02 17:39:00 +00:00
Mark Dickinson
8e85ffa4b2 Issue #2482: Make sure that the coefficient of a Decimal 
instance is always stored as a str instance, even
when that Decimal has been created from a unicode string.
 2008-03-25 18:47:59 +00:00
Mark Dickinson
3b24ccbe7e Issue #2478: Decimal(sqrt(0)) failed when the decimal context 
was not explicitly supplied.
 2008-03-25 14:33:23 +00:00
Mark Dickinson
f4da77765f Fix docstring typo. 2008-02-29 03:29:17 +00:00
Mark Dickinson
1ddf1d8482 Add __format__ method to Decimal, to support PEP 3101 2008-02-29 02:16:37 +00:00
Mark Dickinson
6a123cb782 Remove duplicate 'import re' in decimal.py 2008-02-24 18:12:36 +00:00
Raymond Hettinger
abe3237187 Fix decimal repr which should have used single quotes like other reprs. 2008-02-14 02:41:22 +00:00
Raymond Hettinger
116f72fa5c Bring decimal a bit closer to the spec for Reals. 2008-02-12 01:18:03 +00:00
Mark Dickinson
3a94ee05f7 Typos in decimal comment and documentation 2008-02-10 15:19:58 +00:00
Mark Dickinson
2fc9263df5 Issue 1979: Make Decimal comparisons (other than !=, ==) involving NaN 
raise InvalidOperation (and return False if InvalidOperation is trapped).
 2008-02-06 22:10:50 +00:00
Raymond Hettinger
5a05364049 Add support for trunc(). 2008-01-24 19:05:29 +00:00
Andrew M. Kuchling
c8acc882a9 Docstring typos 2008-01-16 00:32:03 +00:00