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DOCUMENTATION:
name: log
version_added: "1.9"
short_description: log of (math operation)
description:
- Math operation that returns the L(logarithm, https://en.wikipedia.org/wiki/Logarithm) to base N of the input number.
- By default, computes the L(natural logarithm, https://en.wikipedia.org/wiki/Natural_logarithm).
notes:
- This is a passthrough to Python's C(math.log).
positional: _input, base
options:
_input:
description: Number to operate on.
type: float
required: true
base:
description: Which base to use. Defaults to L(Euler's number, https://en.wikipedia.org/wiki/Euler%27s_number).
type: float
default: 2.718281828459045
EXAMPLES: |
# 1.2920296742201791
eightlogfive: "{{ 8 | log(5) }}"
# 0.9030899869919435
eightlog10: "{{ 8 | log() }}"
RETURN:
_value:
description: Resulting number.
type: float
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