The Trunk: KernelTests-nice.293.mcz

Nicolas Cellier uploaded a new version of KernelTests to project The Trunk:
http://source.squeak.org/trunk/KernelTests-nice.293.mcz

==================== Summary ====================

Name: KernelTests-nice.293
Author: nice
Time: 1 May 2015, 3:16:46.949 pm
UUID: fb60846c-b40a-4f89-9ec5-1260cfbf0319
Ancestors: KernelTests-mt.292

Tests asserting floorLog: exactness for Number performing exact arithmetic.

This was inbox KernelTests-nice.239 / 11 December 2012

=============== Diff against KernelTests-mt.292 ===============

Item was added:
+ ----- Method: FractionTest>>testFloorLogExactness (in category 'tests - mathematical functions') -----
+ testFloorLogExactness
+
+ 1 + (Float fminDenormalized floorLog: 10) to: -1 do: [:n |
+ self assert: ((10 raisedTo: n) floorLog: 10) = n].
+
+ "Float version is not exact for at least 2 reasons:
+ 1/(10 raisedTo: n) asFloat is not exact
+ (aFloat log: radix) is not exact
+
+ (1 + (Float fminDenormalized floorLog: 10) to: -1) count: [:n |
+ ((10 raisedTo: n) asFloat floorLog: 10) ~= n]."
+ !

Item was added:
+ ----- Method: IntegerTest>>testFloorLogExactness (in category 'tests - mathematical functions') -----
+ testFloorLogExactness
+
+ 1 to: (Float fmax floorLog: 10) do: [:n |
+ self assert: ((10 raisedTo: n) floorLog: 10) = n].
+
+ "Float version is not exact for at least 2 reasons:
+ (10 raisedTo: n) asFloat is not exact for n > 22
+ (aFloat log: radix) is not exact
+
+ (1 to: (Float fmax floorLog: 10)) count: [:n |
+ ((10 raisedTo: n) asFloat floorLog: 10) ~= n]."!

Item was added:
+ ----- Method: ScaledDecimalTest>>testFloorLogExactness (in category 'tests - mathematical functions') -----
+ testFloorLogExactness
+ 1 + (Float fminDenormalized floorLog: 10) to: (Float fmax floorLog: 10) do: [:n |
+ self assert: ((10 raisedTo: n) asScaledDecimal floorLog: 10) = n description: 'floorLog should be exact for ScaledDecimals'.]!