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Merge pull request #72091 from MewPurPur/fix-nearest-po2

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Improve documentation of `nearest_po2()`
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Rémi Verschelde 2023-08-07 14:42:49 +02:00
commit 3fa5a15a2c
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1 changed files with 2 additions and 3 deletions
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doc/classes/@GlobalScope.xml
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@ -739,8 +739,7 @@
<return type="int" />
<param index="0" name="value" type="int" />
<description>
Returns the nearest equal or larger power of 2 for the integer [param value].
In other words, returns the smallest value [code]a[/code] where [code]a = pow(2, n)[/code] such that [code]value &lt;= a[/code] for some non-negative integer [code]n[/code].
Returns the smallest integer power of 2 that is greater than or equal to [param value].
[codeblock]
nearest_po2(3) # Returns 4
nearest_po2(4) # Returns 4
@ -749,7 +748,7 @@
nearest_po2(0) # Returns 0 (this may not be expected)
nearest_po2(-1) # Returns 0 (this may not be expected)
[/codeblock]
[b]Warning:[/b] Due to the way it is implemented, this function returns [code]0[/code] rather than [code]1[/code] for negative values of [param value] (in reality, 1 is the smallest integer power of 2).
[b]Warning:[/b] Due to its implementation, this method returns [code]0[/code] rather than [code]1[/code] for values less than or equal to [code]0[/code], with an exception for [param value] being the smallest negative 64-bit integer ([code]-9223372036854775808[/code]) in which case the [param value] is returned unchanged.
</description>
</method>
<method name="pingpong">