Packages February 2014

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The Trunk: Kernel-nice.839.mcz
by commits＠source.squeak.org 28 Feb '14

28 Feb '14

Nicolas Cellier uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-nice.839.mcz ==================== Summary ==================== Name: Kernel-nice.839 Author: nice Time: 1 March 2014, 12:36:12.266 am UUID: 070493d0-68d5-4385-b3a6-4ddf4c64497f Ancestors: Kernel-nice.838 For conformance to IEEE 754-2008 (IEC 60559-2011), the sucessor of Float fmin negated is now a negativeZero. =============== Diff against Kernel-nice.838 =============== Item was changed: ----- Method: Float>>predecessor (in category 'truncation and round off') ----- predecessor | ulp | self isFinite ifFalse: [ (self isNaN or: [self negative]) ifTrue: [^self]. ^Float fmax]. - self = 0.0 ifTrue: [^Float fmin negated]. ulp := self ulp. ^self - (0.5 * ulp) = self ifTrue: [self - ulp] ifFalse: [self - (0.5 * ulp)]! Item was changed: ----- Method: Float>>successor (in category 'truncation and round off') ----- successor | ulp | self isFinite ifFalse: [ (self isNaN or: [self positive]) ifTrue: [^self]. ^Float fmax negated]. - self = 0.0 ifTrue: [^Float fmin]. ulp := self ulp. ^self + (0.5 * ulp) = self + ifTrue: [self * -1.0 - ulp * -1.0 "This trick is for obtaining a negativeZero"] - ifTrue: [self + ulp] ifFalse: [self + (0.5 * ulp)]!

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The Trunk: Kernel-nice.839.mcz
by commits＠source.squeak.org 28 Feb '14

28 Feb '14

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The Trunk: Kernel-nice.839.mcz
by commits＠source.squeak.org 28 Feb '14

28 Feb '14

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The Trunk: KernelTests-nice.261.mcz
by commits＠source.squeak.org 28 Feb '14

28 Feb '14

Nicolas Cellier uploaded a new version of KernelTests to project The Trunk: http://source.squeak.org/trunk/KernelTests-nice.261.mcz ==================== Summary ==================== Name: KernelTests-nice.261 Author: nice Time: 1 March 2014, 12:30:49.793 am UUID: 71c7aac5-b65f-409f-9207-72ec32f8e620 Ancestors: KernelTests-nice.260 According to IEEE 754-2008 (IEC 60559-2011), the sucessor of Float fmin negated should be a negativeZero. =============== Diff against KernelTests-nice.260 =============== Item was changed: ----- Method: FloatTest>>testCharacterization (in category 'characterization') ----- testCharacterization "Test the largest finite representable floating point value" self assert: Float fmax successor = Float infinity. self assert: Float infinity predecessor = Float fmax. self assert: Float fmax negated predecessor = Float infinity negated. self assert: Float infinity negated successor = Float fmax negated. "Test the smallest positive representable floating point value" self assert: Float fmin predecessor = 0.0. self assert: 0.0 successor = Float fmin. self assert: Float fmin negated successor = 0.0. self assert: 0.0 predecessor = Float fmin negated. "Test the relative precision" self assert: Float one + Float epsilon > Float one. self assert: Float one + Float epsilon = Float one successor. self assert: Float one + (Float epsilon / Float radix) = Float one. "Test maximum and minimum exponent" self assert: Float fmax exponent = Float emax. self assert: Float fminNormalized exponent = Float emin. Float denormalized ifTrue: [ self assert: Float fminDenormalized exponent = (Float emin + 1 - Float precision)]. "Alternative tests for maximum and minimum" self assert: (Float radix - Float epsilon) * (Float radix raisedTo: Float emax) = Float fmax. self assert: Float epsilon * (Float radix raisedTo: Float emin) = Float fmin. "Test sucessors and predecessors" self assert: Float one predecessor successor = Float one. self assert: Float one successor predecessor = Float one. self assert: Float one negated predecessor successor = Float one negated. self assert: Float one negated successor predecessor = Float one negated. self assert: Float infinity successor = Float infinity. self assert: Float infinity negated predecessor = Float infinity negated. + self assert: Float fmin negated successor = 0.0. + self assert: Float fmin negated successor sign = -1. self assert: Float nan predecessor isNaN. self assert: Float nan successor isNaN. "SPECIFIC FOR IEEE 754 double precision - 64 bits" self assert: Float fmax hex = '7FEFFFFFFFFFFFFF'. self assert: Float fminDenormalized hex = '0000000000000001'. self assert: Float fminNormalized hex = '0010000000000000'. self assert: 0.0 hex = '0000000000000000'. self assert: Float negativeZero hex = '8000000000000000'. self assert: Float one hex = '3FF0000000000000'. self assert: Float infinity hex = '7FF0000000000000'. self assert: Float infinity negated hex = 'FFF0000000000000'.!

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The Trunk: KernelTests-nice.261.mcz
by commits＠source.squeak.org 28 Feb '14

28 Feb '14

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The Trunk: KernelTests-nice.261.mcz
by commits＠source.squeak.org 28 Feb '14

28 Feb '14

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The Trunk: Kernel-nice.838.mcz
by commits＠source.squeak.org 28 Feb '14

28 Feb '14

Nicolas Cellier uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-nice.838.mcz ==================== Summary ==================== Name: Kernel-nice.838 Author: nice Time: 28 February 2014, 1:36:14.795 am UUID: 001e2bd2-6b17-4b02-9b49-c7ee03d52e3d Ancestors: Kernel-nice.837 Don't let 0.1s1 // 0.1s1 engage an infinite loop when super would just do it right. =============== Diff against Kernel-nice.837 =============== Item was removed: - ----- Method: ScaledDecimal>>// (in category 'arithmetic') ----- - // operand - "Answer the integer quotient after dividing the receiver by operand - with truncation towards negative infinity." - ^ fraction // operand!

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The Trunk: Kernel-nice.838.mcz
by commits＠source.squeak.org 28 Feb '14

28 Feb '14

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The Trunk: Kernel-nice.838.mcz
by commits＠source.squeak.org 28 Feb '14

28 Feb '14

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The Trunk: Kernel-nice.837.mcz
by commits＠source.squeak.org 27 Feb '14

27 Feb '14

Nicolas Cellier uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-nice.837.mcz ==================== Summary ==================== Name: Kernel-nice.837 Author: nice Time: 27 February 2014, 11:09:40.472 pm UUID: 12cc90d9-9ee2-445e-85cc-4febd06c9b09 Ancestors: Kernel-dtl.836 Allow uppercase exponents in ExtendedNumberParser ('1.00E-2' asNumber) =============== Diff against Kernel-dtl.836 =============== Item was added: + ----- Method: ExtendedNumberParser>>exponentLetters (in category 'accessing') ----- + exponentLetters + "Allow uppercase exponent letter." + + ^'edqEDQ'!

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Packages February 2014