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Diffstat (limited to 'Doc/library/math.rst')
| -rw-r--r-- | Doc/library/math.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Doc/library/math.rst b/Doc/library/math.rst index d0b03ed..36cdbce 100644 --- a/Doc/library/math.rst +++ b/Doc/library/math.rst @@ -31,6 +31,14 @@ Number-theoretic and representation functions: should return an :class:`Integral` value. +.. function:: copysign(x, y) + + Return *x* with the sign of *y*. ``copysign`` copies the sign bit of an IEEE + 754 float, ``copysign(1, -0.0)`` returns *-1.0*. + + ..versionadded:: 2.6 + + .. function:: fabs(x) Return the absolute value of *x*. |