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Diffstat (limited to 'Doc/library/math.rst')
| -rw-r--r-- | Doc/library/math.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Doc/library/math.rst b/Doc/library/math.rst index 98c5b33..62c0f34 100644 --- a/Doc/library/math.rst +++ b/Doc/library/math.rst @@ -184,6 +184,19 @@ Power and logarithmic functions result is calculated in a way which is accurate for *x* near zero. +.. function:: log2(x) + + Return the base-2 logarithm of *x*. This is usually more accurate than + ``log(x, 2)``. + + .. versionadded:: 3.3 + + .. seealso:: + + :meth:`int.bit_length` returns the number of bits necessary to represent + an integer in binary, excluding the sign and leading zeros. + + .. function:: log10(x) Return the base-10 logarithm of *x*. This is usually more accurate |