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Merge: catalog: tweak documentation score
author
Jean Privat
<jean@pryen.org>
Sun, 29 May 2016 20:35:59 +0000
(16:35 -0400)
committer
Jean Privat
<jean@pryen.org>
Sun, 29 May 2016 20:35:59 +0000
(16:35 -0400)
especially, private things, redefinitions and test_suites count for peanuts.
Pull-Request: #2138
Reviewed-by: Alexis Laferrière <alexis.laf@xymus.net>
lib/core/math.nit
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diff --git
a/lib/core/math.nit
b/lib/core/math.nit
index
0f8325f
..
7b51e2a
100644
(file)
--- a/
lib/core/math.nit
+++ b/
lib/core/math.nit
@@
-169,6
+169,16
@@
redef class Int
end
return res
end
+
+ # Is `self` a power of two ?
+ #
+ # ~~~nit
+ # assert not 3.is_pow2
+ # assert 2.is_pow2
+ # assert 1.is_pow2
+ # assert not 0.is_pow2
+ # ~~~
+ fun is_pow2: Bool do return self != 0 and (self & self - 1) == 0
end
redef class Byte