[squeak-dev] The Inbox: Kernel-cbc.593.mcz
commits at source.squeak.org
commits at source.squeak.org
Wed Jun 8 05:26:38 UTC 2011
A new version of Kernel was added to project The Inbox:
http://source.squeak.org/inbox/Kernel-cbc.593.mcz
==================== Summary ====================
Name: Kernel-cbc.593
Author: cbc
Time: 7 June 2011, 10:25:11.435 pm
UUID: 6ea87b7a-6755-1446-b2fd-54350609142c
Ancestors: Kernel-wiz.592
Added examples to the comments in Number #roundDownTo:, #roundUpTo:, and #truncateTo: to clarify how to use the methods.
=============== Diff against Kernel-wiz.592 ===============
Item was changed:
----- Method: Number>>roundDownTo: (in category 'truncation and round off') -----
roundDownTo: aNumber
"Answer the next multiple of aNumber toward negative infinity that is nearest the
receiver."
+ "Examples:
+ 3.1479 roundDownTo: 0.01 -> 3.14
+ 3.1479 roundDownTo: 0.1 -> 3.1
+ 1923 roundDownTo: 10 -> 1920
+ 3.1479 roundDownTo: 0.005 -> 3.145
+ -3.1479 roundDownTo: 0.01 -> -3.15"
+
-
^(self/aNumber) floor * aNumber!
Item was changed:
----- Method: Number>>roundUpTo: (in category 'truncation and round off') -----
roundUpTo: aNumber
"Answer the next multiple of aNumber toward infinity that is nearest the
receiver."
+ "Examples:
+ 3.1479 roundUpTo: 0.01 -> 3.15
+ 3.1479 roundUpTo: 0.1 -> 3.2
+ 1923 roundUpTo: 10 -> 1930
+ 3.1479 roundUpTo: 0.005 -> 3.15
+ -3.1479 roundUpTo: 0.01 -> -3.14"
^(self/aNumber) ceiling * aNumber!
Item was changed:
----- Method: Number>>truncateTo: (in category 'truncation and round off') -----
truncateTo: aNumber
"Answer the next multiple of aNumber toward zero that is nearest the
receiver."
+ "Examples:
+ 3.1479 truncateTo: 0.01 -> 3.14
+ 3.1479 truncateTo: 0.1 -> 3.1
+ 1923 truncateTo: 10 -> 1920
+ 3.1479 truncateTo: 0.005 -> 3.145
+ -3.1479 truncateTo: 0.01 -> -3.14"
^(self quo: aNumber)
* aNumber!
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