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| author | Mark Dickinson <dickinsm@gmail.com> | 2010-04-12 18:52:08 (GMT) |
|---|---|---|
| committer | Mark Dickinson <dickinsm@gmail.com> | 2010-04-12 18:52:08 (GMT) |
| commit | 18628400375cb14130fde1502bd646e997b9a6de (patch) | |
| tree | e549efc8cbd8e83675a5c6a4449cc7c49af3c8e9 /Doc/library/math.rst | |
| parent | f3ff883172ee74b2bab1cff82ae4855c477615aa (diff) | |
| download | cpython-18628400375cb14130fde1502bd646e997b9a6de.zip cpython-18628400375cb14130fde1502bd646e997b9a6de.tar.gz cpython-18628400375cb14130fde1502bd646e997b9a6de.tar.bz2 | |
More NaN consistency fixes (manual merge of r79875 to release31-maint).
Diffstat (limited to 'Doc/library/math.rst')
| -rw-r--r-- | Doc/library/math.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Doc/library/math.rst b/Doc/library/math.rst index 38bdc46..c760701 100644 --- a/Doc/library/math.rst +++ b/Doc/library/math.rst @@ -297,9 +297,9 @@ Constants :exc:`ValueError` for invalid operations like ``sqrt(-1.0)`` or ``log(0.0)`` (where C99 Annex F recommends signaling invalid operation or divide-by-zero), and :exc:`OverflowError` for results that overflow (for example, - ``exp(1000.0)``). A *NaN* will not be returned from any of the functions - above unless one or more of the input arguments was a *NaN*; in that case, - most functions will return a *NaN*, but (again following C99 Annex F) there + ``exp(1000.0)``). A NaN will not be returned from any of the functions + above unless one or more of the input arguments was a NaN; in that case, + most functions will return a NaN, but (again following C99 Annex F) there are some exceptions to this rule, for example ``pow(float('nan'), 0.0)`` or ``hypot(float('nan'), float('inf'))``. |