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Merge pull request #9832 from bcoca/math_filters

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math filters!
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Toshio Kuratomi 2014-12-16 15:42:22 -08:00
commit 7ab1e52575
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33
docsite/rst/playbooks_variables.rst
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@ -311,6 +311,39 @@ To get a random list from an existing list::
note that when used with a non 'listable' item it is a noop, otherwise it always returns a list
.. _math_stuff:
Math
--------------------
.. versionadded:: 1.9
To see if something is actually a number::
{{ myvar | isnan }}
Get the logarithm (default is e)::
{{ myvar | log }}
Get the base 10 logarithm::
{{ myvar | log(10) }}
Give me the power of 2! (or 5)::
{{ myvar | pow(2) }}
{{ myvar | pow(5) }}
Square root, or the 5th::
{{ myvar | root }}
{{ myvar | root(5) }}
Note that jinja2 already provides some like abs() and round().
.. _other_useful_filters:
Other Useful Filters