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Diffstat (limited to 'Doc/library/cmath.rst')
| -rw-r--r-- | Doc/library/cmath.rst | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/Doc/library/cmath.rst b/Doc/library/cmath.rst index 14b909b..d7778df 100644 --- a/Doc/library/cmath.rst +++ b/Doc/library/cmath.rst @@ -187,15 +187,24 @@ Hyperbolic functions Classification functions ------------------------ +.. function:: isfinite(x) + + Return ``True`` if both the real and imaginary parts of *x* are finite, and + ``False`` otherwise. + + .. versionadded:: 3.2 + + .. function:: isinf(x) - Return *True* if the real or the imaginary part of x is positive - or negative infinity. + Return ``True`` if either the real or the imaginary part of *x* is an + infinity, and ``False`` otherwise. .. function:: isnan(x) - Return *True* if the real or imaginary part of x is not a number (NaN). + Return ``True`` if either the real or the imaginary part of *x* is a NaN, + and ``False`` otherwise. Constants |