Packages June 2010

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The Trunk: KernelTests-nice.151.mcz
by commits＠source.squeak.org 04 Jun '10

04 Jun '10

David T. Lewis uploaded a new version of KernelTests to project The Trunk: http://source.squeak.org/trunk/KernelTests-nice.151.mcz ==================== Summary ==================== Name: KernelTests-nice.151 Author: nice Time: 28 May 2010, 9:30:59.204 pm UUID: a305c844-71d8-eb4e-85d7-c0bce7b20dc7 Ancestors: KernelTests-ul.150 After recent vwnc post, check whether LargeInteger ln overflows. Same for Fraction with LargeInteger. =============== Diff against KernelTests-ul.150 =============== Item was added: + ----- Method: IntegerTest>>testLn (in category 'tests - mathematical functions') ----- + testLn + self assert: (100 ln closeTo: 10 ln*2). + self assert: ((2 raisedTo: Float emax + 3) ln closeTo: 2 ln*(Float emax + 3)) description: 'Integer>>ln should not overflow'! Item was added: + ----- Method: FractionTest>>testLn (in category 'tests - mathematical functions') ----- + testLn + self assert: ((1/100) ln closeTo: -2/2 ln). + self assert: (((2 raisedTo: Float emax + 11)/3) ln closeTo: (Float emax + 11)*2 ln - 3 ln) description: 'Fraction>>ln should not overflow'. + self assert: ((3/(2 raisedTo: Float precision - Float emin)) ln closeTo: (Float emin - Float precision)*2 ln + 3 ln) description: 'Fraction>>ln should not underflow'!

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The Trunk: KernelTests-nice.151.mcz
by commits＠source.squeak.org 04 Jun '10

04 Jun '10

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The Trunk: KernelTests-nice.151.mcz
by commits＠source.squeak.org 04 Jun '10

04 Jun '10

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The Trunk: Kernel-dtl.457.mcz
by commits＠source.squeak.org 04 Jun '10

04 Jun '10

David T. Lewis uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-dtl.457.mcz ==================== Summary ==================== Name: Kernel-dtl.457 Author: dtl Time: 3 June 2010, 9:30:53.666 pm UUID: 9fefe953-125d-4872-b44c-8cddad771beb Ancestors: Kernel-mtf.456, Kernel-nice.453 Merge Kernel-nice.453 =============== Diff against Kernel-mtf.456 =============== Item was added: + ----- Method: Integer>>ln (in category 'mathematical functions') ----- + ln + "This function is defined because super ln might overflow." + | res h | + self <= 0 ifTrue: [self error: 'ln is only defined for x > 0']. + res := super ln. + res isFinite ifTrue: [^res]. + h := self highBit. + ^2 ln * h + (self / (1 << h)) asFloat ln! Item was added: + ----- Method: Fraction>>ln (in category 'mathematical functions') ----- + ln + "This function is defined because super ln might overflow. + Note that < 1 is tested before converting to float in order to avoid precision loss due to gradual underflow." + | res int | + self < 1 ifTrue: [^self reciprocal ln negated]. + self <= 0 ifTrue: [self error: 'ln is only defined for x > 0']. + res := super ln. + res isFinite ifTrue: [^res]. + int := self integerPart. + ^int ln + (self / int) ln!

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The Trunk: Kernel-dtl.457.mcz
by commits＠source.squeak.org 04 Jun '10

04 Jun '10

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The Trunk: Kernel-dtl.457.mcz
by commits＠source.squeak.org 04 Jun '10

04 Jun '10

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The Trunk: Kernel-nice.453.mcz
by commits＠source.squeak.org 04 Jun '10

04 Jun '10

David T. Lewis uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-nice.453.mcz ==================== Summary ==================== Name: Kernel-nice.453 Author: nice Time: 28 May 2010, 9:37:49.978 pm UUID: 5961f8b3-0010-b643-b1d1-56bd1e657937 Ancestors: Kernel-ar.452 After recent vwnc post, don't let LargeInteger ln overflow. Same for Fraction with LargeInteger. Also avoid loss of precision due to gradual underflow. =============== Diff against Kernel-ar.452 =============== Item was added: + ----- Method: Integer>>ln (in category 'mathematical functions') ----- + ln + "This function is defined because super ln might overflow." + | res h | + self <= 0 ifTrue: [self error: 'ln is only defined for x > 0']. + res := super ln. + res isFinite ifTrue: [^res]. + h := self highBit. + ^2 ln * h + (self / (1 << h)) asFloat ln! Item was added: + ----- Method: Fraction>>ln (in category 'mathematical functions') ----- + ln + "This function is defined because super ln might overflow. + Note that < 1 is tested before converting to float in order to avoid precision loss due to gradual underflow." + | res int | + self < 1 ifTrue: [^self reciprocal ln negated]. + self <= 0 ifTrue: [self error: 'ln is only defined for x > 0']. + res := super ln. + res isFinite ifTrue: [^res]. + int := self integerPart. + ^int ln + (self / int) ln!

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The Trunk: Kernel-nice.453.mcz
by commits＠source.squeak.org 04 Jun '10

04 Jun '10

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The Trunk: Kernel-nice.453.mcz
by commits＠source.squeak.org 04 Jun '10

04 Jun '10

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The Trunk: Kernel-mtf.456.mcz
by commits＠source.squeak.org 03 Jun '10

03 Jun '10

Matthew Fulmer uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-mtf.456.mcz ==================== Summary ==================== Name: Kernel-mtf.456 Author: mtf Time: 3 June 2010, 11:05:37.324 am UUID: b1e05e80-6bc8-47fd-adda-82388483e604 Ancestors: Kernel-mtf.455 Added a utility method to Behavior for testing whether a method is compiled correctly without overwriting the incorrectly compiled method if not =============== Diff against Kernel-mtf.455 =============== Item was added: + ----- Method: Behavior>>sourceMatchesBytecodeAt: (in category 'testing') ----- + sourceMatchesBytecodeAt: selector + "Answers true if the source code at the selector compiles to the bytecode at the selector, and false otherwise. Implemented to detect an error where Monticello did not recompile sources when the class shape changed" + "This code was copied from #recompile:from:, with few changes. Several methods would benefit from a method which turned a selector and class into a CompiledMethod, without installing it into the methodDictionary" + + | method trailer methodNode | + method := self compiledMethodAt: selector. + trailer := method trailer. + methodNode := self compilerClass new + compile: (self sourceCodeAt: selector) + in: self + notifying: nil + ifFail: [^ false]. "Assume OK after proceed from SyntaxError" + selector == methodNode selector ifFalse: [self error: 'selector changed!!']. + ^ (methodNode generate: trailer) = method!

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Packages June 2010