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More NaN consistency doc fixes.

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Mark Dickinson 2010-04-06 22:18:23 +00:00
parent e07acb5f15
commit ad971d62ee
1 changed files with 3 additions and 3 deletions
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6
Doc/library/math.rst
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@ -375,9 +375,9 @@ Constants
:exc:`ValueError` for invalid operations like ``sqrt(-1.0)`` or ``log(0.0)`` :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), (where C99 Annex F recommends signaling invalid operation or divide-by-zero),
and :exc:`OverflowError` for results that overflow (for example, and :exc:`OverflowError` for results that overflow (for example,
``exp(1000.0)``). A *NaN* will not be returned from any of the functions ``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, 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 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 are some exceptions to this rule, for example ``pow(float('nan'), 0.0)`` or
``hypot(float('nan'), float('inf'))``. ``hypot(float('nan'), float('inf'))``.