removed redundant math functions as jinja2 provides abs() and round()

already

docsite/rst/playbooks_variables.rst

@@ -318,19 +318,11 @@ Math
 --------------------
 .. versionadded:: 1.9
 
-To get the absolute value of a number::
-
-    {{ -23 | abs }}
 
 To see if something is actually a number::
 
     {{ myvar | isnan }}
 
-Rounding::
-
-    {{ myvar | ceil }}
-    {{ myvar | floor }}
-
 Get the logarithm (default is e)::
 
     {{ myvar | log }}
@@ -349,6 +341,8 @@ Square root, or the 5th::
     {{ myvar | root }}
     {{ myvar | root(5) }}
 
+Note that jinja2 already provides some like abs() and round().
+
 
 .. _other_useful_filters:
 

lib/ansible/runner/filter_plugins/math.py

@@ -18,30 +18,6 @@
 import math
 from ansible import errors
 
-def absolute(x):
-
-    if isinstance(x, float):
-        return math.fabs(x)
-    elif isinstance(x, int):
-        return abs(x)
-    else
-        raise errors.AnsibleFilterError('abs() can only be used on numbers')
-
-
-def cieling(x):
-    try:
-        return math.ciel(x)
-    except TypeError, e:
-        raise errors.AnsibleFilterError('ciel() can only be used on floats: %s' % str(e))
-
-
-def flooring(x):
-    try:
-        return math.floor(x)
-    except TypeError, e:
-        raise errors.AnsibleFilterError('floor() can only be used on floats: %s' % str(e))
-
-
 def isnotanumber(x):
     try:
         return math.isnan(x)
@@ -82,13 +58,8 @@ class FilterModule(object):
     def filters(self):
         return {
             # general math
-            'abs': absolute,
             'isnan': isnotanumber,
 
-            # rounding
-            'ceil': cieling,
-            'floor': flooring,
-
             # exponents and logarithms
             'log': logarithm,
             'pow': power,