[squeak-dev] The Trunk: Kernel-ul.485.mcz
commits at source.squeak.org
commits at source.squeak.org
Mon Aug 23 13:00:21 UTC 2010
Levente Uzonyi uploaded a new version of Kernel to project The Trunk:
http://source.squeak.org/trunk/Kernel-ul.485.mcz
==================== Summary ====================
Name: Kernel-ul.485
Author: ul
Time: 23 August 2010, 2:13:52.357 pm
UUID: fce08992-f821-ed46-a863-9935d6a7fe2e
Ancestors: Kernel-dtl.484
- fix LargeInteger printing
=============== Diff against Kernel-dtl.484 ===============
Item was changed:
----- Method: LargePositiveInteger>>printOn:base:nDigits: (in category 'printing') -----
printOn: aStream base: b nDigits: n
"Append a representation of this number in base b on aStream using n digits.
In order to reduce cost of LargePositiveInteger ops, split the number of digts approximatily in two
Should be invoked with: 0 <= self < (b raisedToInteger: n)"
| halfPower half head tail |
n <= 1 ifTrue: [
n <= 0 ifTrue: [self error: 'Number of digits n should be > 0'].
"Note: this is to stop an infinite loop if one ever attempts to print with a huge base
This can happen because choice was to not hardcode any limit for base b
We let Character>>#digitValue: fail"
+ ^aStream nextPut: (Character digitValue: self) ].
- ^Character digitValue: self].
halfPower := n bitShift: -1.
half := b raisedToInteger: halfPower.
head := self quo: half.
tail := self - (head * half).
head printOn: aStream base: b nDigits: n - halfPower.
tail printOn: aStream base: b nDigits: halfPower!
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