[squeak-dev] The Trunk: Kernel-mt.1413.mcz
commits at source.squeak.org
commits at source.squeak.org
Fri Oct 8 07:01:55 UTC 2021
Marcel Taeumel uploaded a new version of Kernel to project The Trunk:
http://source.squeak.org/trunk/Kernel-mt.1413.mcz
==================== Summary ====================
Name: Kernel-mt.1413
Author: mt
Time: 27 August 2021, 10:20:30.630421 am
UUID: e12b3fd2-5f27-7642-a3ca-3b303801092c
Ancestors: Kernel-mt.1412
Rewrites last change to make it faster again. Thanks to Stephan (stlu)!
=============== Diff against Kernel-eem.1408 ===============
Item was added:
+ ----- Method: Integer>>roundDownTo: (in category 'truncation and round off') -----
+ roundDownTo: aNumber
+ "Overwritten to speed-up integer rounding via modulo instead of using intermediate fractions."
+
+ aNumber isInteger ifFalse: [^ super roundDownTo: aNumber].
+ ^ self - (self \\ aNumber)!
Item was added:
+ ----- Method: Integer>>roundTo: (in category 'truncation and round off') -----
+ roundTo: aNumber
+ "Overwritten to speed-up integer rounding via modulo instead of using intermediate fractions."
+
+ | rem quantum |
+ aNumber isInteger ifFalse: [^ super roundTo: aNumber].
+ quantum := aNumber abs.
+ (rem := self \\ quantum) = 0 ifTrue: [^ self].
+ ^ (self > 0
+ ifTrue: [quantum + 1 // 2 <= rem]
+ ifFalse: [quantum // 2 < rem])
+ ifTrue: [self + quantum - rem]
+ ifFalse: [self - rem]
+ !
Item was added:
+ ----- Method: Integer>>roundUpTo: (in category 'truncation and round off') -----
+ roundUpTo: aNumber
+ "Overwritten to speed-up integer rounding via modulo instead of using intermediate fractions."
+
+ | rem |
+ aNumber isInteger ifFalse: [^ super roundUpTo: aNumber].
+ ^ (rem := self \\ aNumber) ~= 0
+ ifTrue: [self + aNumber - rem]
+ ifFalse: [self]!
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