Updates:
Status: Fixed
Comment #8 on issue 2886 by smi...@gmail.com: Float precision
http://code.google.com/p/sympy/issues/detail?id=2886
Ondrej said it looked good, so I'm closing this.
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Comment #7 on issue 2886 by smi...@gmail.com: Float precision
http://code.google.com/p/sympy/issues/detail?id=2886
Lots of documentation has been updated and Float("1.1234567890123456789")
still returns 15 digit precision, but the digits can be 'counted' by
using '' for prec:
Float("1.123
Comment #6 on issue 2886 by smi...@gmail.com: Float precision
http://code.google.com/p/sympy/issues/detail?id=2886
With pull request 998 the precision matches that of the entered string the
same way that it does in the Decimal class ("The significance of a new
Decimal is determined solely by
Comment #5 on issue 2886 by asmeu...@gmail.com: Float precision
http://code.google.com/p/sympy/issues/detail?id=2886
I expect to result "3.769908" rather then "3.8".
I don't. To me, 1.2 means anything from 1.11499... to 1.2... With
that precision, you only know the result up to th
Comment #4 on issue 2886 by pr...@goodok.ru: Float precision
http://code.google.com/p/sympy/issues/detail?id=2886
Sorry, incorrect example, starting from words "But at the same time (when
the length is less then default 15)". I meant:
>>> Float("1.2")
1.20
>>> _._prec
Comment #2 on issue 2886 by pr...@goodok.ru: Float precision
http://code.google.com/p/sympy/issues/detail?id=2886
And about the case, when the length of string is greater then the default
precision,
Float("1.1234567890123456789")
1.12345678901235
I think it will be better to increase it i
Comment #1 on issue 2886 by pr...@goodok.ru: Float precision
http://code.google.com/p/sympy/issues/detail?id=2886
If we adhere to the behavior of the mpmath 'from_str':
http://mpmath.googlecode.com/svn/trunk/doc/build/general.html#mpmathify-convert
(except that we do not use global default valu
Status: Accepted
Owner:
Labels: Type-Defect Priority-Medium
New issue 2886 by asmeu...@gmail.com: Float precision
http://code.google.com/p/sympy/issues/detail?id=2886
Some questions about Floats and precisions. I don't know a whole lot about
precision tracking, so I'm not sure if these th
