| author | Jan Vrany <jan.vrany@fit.cvut.cz> |
| Wed, 29 Jun 2016 21:40:53 +0100 | |
| branch | jv |
| changeset 1499 | 26a16a04219b |
| parent 1070 | 3a47933aea21 |
| child 1500 | d406a10b2965 |
| permissions | -rw-r--r-- |
|
1499
26a16a04219b
Package renamed from exept:regression to stx:goodies/regression. Hooray!
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
1070
diff
changeset
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"{ Package: 'stx:goodies/regression' }"
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| 204 | 2 |
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"{ NameSpace: RegressionTests }"
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TestCase subclass:#LargeFloatTest |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'tests-Regression-Numbers' |
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! |
11 |
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!LargeFloatTest methodsFor:'helpers'! |
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actualPrecisionOf:aFloatClass |
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"get the actual number of valid bits in the mantissa. |
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This does a real test (i.e. does not believe the compiled-in ifdefs)" |
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|one half x count| |
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one := aFloatClass unity. "/ 1.0 in this class |
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half := one coerce:0.5. |
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x := one. |
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count := 0. |
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[ one + x ~= one] whileTrue:[ |
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x := x * half. |
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count := count + 1. |
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]. |
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^ count |
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" |
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self basicNew actualPrecisionOf:ShortFloat |
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self basicNew actualPrecisionOf:Float |
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self basicNew actualPrecisionOf:LongFloat |
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" |
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! ! |
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!LargeFloatTest methodsFor:'tests'! |
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test01_Nan |
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"NaN in all avaliable formats." |
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|shouldBeNaN| |
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shouldBeNaN := 0.0 asLargeFloat uncheckedDivide: 0.0. |
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self assert:( shouldBeNaN isMemberOf:LargeFloat ). |
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self assert:( shouldBeNaN isNaN ). |
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self assert:( shouldBeNaN isFinite not ). |
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shouldBeNaN := 0.0 asLargeFloat uncheckedDivide: 0.0. |
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self assert:( shouldBeNaN asShortFloat isNaN ). |
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self assert:( shouldBeNaN asLongFloat isNaN ). |
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self should:[ shouldBeNaN asInteger ] raise:DomainError. |
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self assert:( shouldBeNaN + 1 ) isNaN. |
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self assert:( shouldBeNaN + 1.0 ) isNaN. |
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self assert:( shouldBeNaN + 1.0 asShortFloat ) isNaN. |
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self assert:( shouldBeNaN + 1.0 asLongFloat ) isNaN. |
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self assert:( shouldBeNaN + 1.0 asLargeFloat ) isNaN. |
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self assert:( 1 + shouldBeNaN ) isNaN. |
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self assert:( 1.0 + shouldBeNaN ) isNaN. |
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self assert:( 1.0 asShortFloat + shouldBeNaN ) isNaN. |
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self assert:( 1.0 asLongFloat + shouldBeNaN ) isNaN. |
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self assert:( 1.0 asLargeFloat + shouldBeNaN ) isNaN. |
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self assert:( shouldBeNaN - 1 ) isNaN. |
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self assert:( shouldBeNaN - 1.0 ) isNaN. |
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self assert:( shouldBeNaN - 1.0 asShortFloat ) isNaN. |
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self assert:( shouldBeNaN - 1.0 asLongFloat ) isNaN. |
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self assert:( shouldBeNaN - 1.0 asLargeFloat ) isNaN. |
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self assert:( 1 - shouldBeNaN ) isNaN. |
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self assert:( 1.0 - shouldBeNaN ) isNaN. |
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self assert:( 1.0 asShortFloat - shouldBeNaN ) isNaN. |
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self assert:( 1.0 asLongFloat - shouldBeNaN ) isNaN. |
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self assert:( 1.0 asLargeFloat - shouldBeNaN ) isNaN. |
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" |
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self basicNew test01_Nan |
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" |
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! |
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test02_Inf |
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"Infinity in all avaliable formats." |
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|check posInf negInf| |
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check := |
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[:v1 :v2 | |
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posInf := v1 uncheckedDivide: v2. |
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self assert:( posInf isMemberOf:v1 class ). |
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self assert:( posInf isNaN not ). |
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self assert:( posInf isFinite not ). |
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self assert:( posInf isInfinite ). |
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self assert:( posInf positive ). |
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self assert:( posInf negative not ). |
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self assert:( posInf isNegativeInfinity not). |
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self assert:( posInf isPositiveInfinity ). |
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negInf := v1 negated uncheckedDivide: v2. |
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self assert:( negInf isMemberOf:v1 class ). |
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self assert:( negInf isNaN not ). |
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self assert:( negInf isFinite not ). |
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self assert:( negInf isInfinite ). |
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self assert:( negInf positive not). |
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self assert:( negInf negative ). |
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self assert:( negInf isNegativeInfinity ). |
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self assert:( negInf isPositiveInfinity not ). |
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self assert:( negInf + negInf = negInf). |
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self assert:( posInf + posInf = posInf). |
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self assert:( negInf + posInf) isNaN. |
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self assert:( posInf + negInf) isNaN. |
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self assert:( negInf - posInf = negInf). |
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self assert:( negInf - negInf) isNaN. |
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self assert:( posInf - negInf = posInf). |
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self assert:( posInf - posInf) isNaN. |
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self assert:( posInf + v1) = posInf. |
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self assert:( posInf - v1) = posInf. |
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self assert:( negInf + v1) = negInf. |
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self assert:( negInf - v1) = negInf. |
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]. |
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check value: 1.0 asLargeFloat value: 0.0 asLargeFloat. |
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" |
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self basicNew test02_Inf |
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" |
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! |
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test03_Conversion |
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self assert:( 1.0 asLargeFloat asTrueFraction == 1 ). |
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self assert:( 2.0 asLargeFloat asTrueFraction == 2 ). |
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self assert:( 4.0 asLargeFloat asTrueFraction == 4 ). |
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self assert:( 8.0 asLargeFloat asTrueFraction == 8 ). |
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self assert:( 16.0 asLargeFloat asTrueFraction == 16 ). |
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self assert:( 1048576.0 asLargeFloat asTrueFraction == 1048576 ). |
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self assert:( 0.5 asLargeFloat asTrueFraction = (1/2) ). |
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self assert:( 0.25 asLargeFloat asTrueFraction = (1/4) ). |
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self assert:( 0.125 asLargeFloat asTrueFraction = (1/8) ). |
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" |
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self basicNew test03_Conversion |
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" |
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! |
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test04_Arithmetic |
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self assert:( 1.0 asLargeFloat + 1.0 ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat + 1.0 asShortFloat ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat + 1.0 asFloat ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat + 1 ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat - 1.0 ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat - 1.0 asShortFloat ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat - 1.0 asFloat ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat - 1 ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat * 1.0 ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat * 1.0 asShortFloat ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat * 1.0 asFloat ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat * 1 ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat / 1.0 ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat / 1.0 asShortFloat ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat / 1.0 asFloat ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat / 1 ) class == LargeFloat. |
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self assert:( 1.0 asLargeFloat + 1.0 asLargeFloat) = 2.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat + 0.0 asLargeFloat) = 1.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat + 2.0 asLargeFloat) = 3.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat + 3.0 asLargeFloat) = 4.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat + 1.0 asLargeFloat negated) = 0.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat + 2.0 asLargeFloat negated) = -1.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat + -1.0 asLargeFloat negated) = 2.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat - 1.0 asLargeFloat) = 0.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat - 0.0 asLargeFloat) = 1.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat - 2.0 asLargeFloat) = -1.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat - 3.0 asLargeFloat) = -2.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat - 1.0 asLargeFloat negated) = 2.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat - 2.0 asLargeFloat negated) = 3.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat - -1.0 asLargeFloat negated) = 0.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat * 1.0 asLargeFloat) = 1.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat * 0.0 asLargeFloat) = 0.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat * 2.0 asLargeFloat) = 2.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat * 3.0 asLargeFloat) = 3.0 asLargeFloat. |
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self assert:( 2.0 asLargeFloat * 3.0 asLargeFloat) = 6.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat * 1.0 asLargeFloat negated) = -1.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat * 2.0 asLargeFloat negated) = -2.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat * -1.0 asLargeFloat negated) = 1.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat / 1.0 asLargeFloat) = 1.0 asLargeFloat. |
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self assert:( 1.0 asLargeFloat / 2.0 asLargeFloat) = 0.5 asLargeFloat. |
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self assert:( 3.0 asLargeFloat / 2.0 asLargeFloat) = (3/2) asLargeFloat. |
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" |
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self basicNew test04_Arithmetic |
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" |
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! |
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test05_Comparing |
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self assert:( 2.0 asLargeFloat = 2 ). |
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self assert:( 2.0 asLargeFloat = 2.0 asShortFloat ). |
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self assert:( 2.0 asLargeFloat = 2.0 ). |
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self assert:( 2.0 asLargeFloat = 2.0 asLongFloat ). |
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self assert:( 2.0 asLargeFloat = 2.0 asLargeFloat ). |
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self assert:( 2.0 asLargeFloat = 3 ) not. |
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self assert:( 2.0 asLargeFloat = 3.0 asShortFloat ) not. |
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self assert:( 2.0 asLargeFloat = 3.0 ) not. |
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self assert:( 2.0 asLargeFloat = 3.0 asLongFloat ) not. |
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self assert:( 2.0 asLargeFloat = 3.0 asLargeFloat ) not. |
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self assert:( 2.0 asLargeFloat < 3 ). |
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self assert:( 2.0 asLargeFloat < 3.0 asShortFloat ). |
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self assert:( 2.0 asLargeFloat < 3.0 asLargeFloat ). |
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self assert:( 200000000000000000000.0 asLargeFloat < 200000000000100000000 ). |
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self assert:( 200000000000000000000 < 200001000000000000000.0 asLargeFloat ). |
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self assert:( 2.0 asLargeFloat <= 3 ). |
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self assert:( 2.0 asLargeFloat <= 2 ). |
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self assert:( 2.0 asLargeFloat <= 3.0 asShortFloat ). |
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self assert:( 2.0 asLargeFloat <= 2.0 asShortFloat ). |
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self assert:( 2.0 asLargeFloat <= 3.0 asLongFloat ). |
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self assert:( 2.0 asLargeFloat <= 2.0 asLongFloat ). |
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self assert:( 2.0 asLargeFloat <= 3.0 asLargeFloat ). |
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self assert:( 2.0 asLargeFloat <= 2.0 asLargeFloat ). |
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self assert:( 200000000000000000000.0 asLargeFloat <= 200000000000000000001 ). |
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self assert:( 200000000000000000000.0 asLargeFloat <= 200000000000000000000 ). |
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self assert:( 200000000000000000000 <= 200001000000000000000.0 asLargeFloat ). |
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self assert:( 200000000000000000000 <= 200000000000000000000.0 asLargeFloat ). |
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" |
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self basicNew test05_Comparing |
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" |
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! |
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test06_MiscMath |
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#( |
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"/ sqrt 0.5 |
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"/ exp 0.5 |
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"/ ln 0.5 |
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"/ log10 0.5 |
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"/ sin 0.5 |
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"/ cos 0.5 |
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"/ tan 0.5 |
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"/ arcSin 0.5 |
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"/ arcCos 0.5 |
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"/ arcTan 0.5 |
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sinh 0.5 |
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cosh 0.5 |
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tanh 0.5 |
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arcSinh 0.5 |
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arcCosh 1.5 |
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arcTanh 0.5 |
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) pairWiseDo:[:op :arg | |
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"/ self assert:( arg asLargeFloat perform:op ) class == LargeFloat. |
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( arg asLargeFloat perform:op ) class == LargeFloat ifFalse:[ |
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Transcript showCR:'warning: missing LargeFloat function: ' , op. |
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]. |
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self assert:( (arg perform:op) - (arg asLargeFloat perform:op) ) < 0.000001. |
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self assert:( (arg perform:op) - (arg perform:op) asLargeFloat ) < 0.000001. |
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]. |
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281 |
||
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" |
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self basicNew test06_MiscMath |
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" |
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285 |
! |
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286 |
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test07_Truncation |
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|check| |
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check := [:num | |
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self assert:( num fractionPart + num truncated ) = num. |
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self assert:( num fractionPart + num truncated ) class == num class. |
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]. |
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check value:1.6 asLargeFloat. |
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check value:-1.6 asLargeFloat. |
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297 |
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298 |
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self assert:( 1.6 asLargeFloat ceiling ) = 2. |
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300 |
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self assert:( 1.6 asLargeFloat ceilingAsFloat ) = 2.0 asLargeFloat. |
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self assert:( 1.6 asLargeFloat ceilingAsFloat ) class == LargeFloat. |
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303 |
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304 |
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self assert:( 1.6 asLargeFloat floor ) = 1. |
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306 |
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307 |
self assert:( 1.6 asLargeFloat floorAsFloat ) = 1.0 asLargeFloat. |
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self assert:( 1.6 asLargeFloat floorAsFloat ) class == LargeFloat. |
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309 |
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310 |
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self assert:( 0.4 asLargeFloat rounded ) class == SmallInteger. |
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self assert:( 0.4 asLargeFloat rounded = 0 ). |
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self assert:( 0.5 asLargeFloat rounded = 1 ). |
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self assert:( 0.6 asLargeFloat rounded = 1 ). |
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self assert:( -0.4 asLargeFloat rounded = 0 ). |
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self assert:( -0.5 asLargeFloat rounded = -1 ). |
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self assert:( -0.6 asLargeFloat rounded = -1 ). |
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318 |
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319 |
self assert:( 0.4 asLargeFloat roundedAsFloat ) class == LargeFloat. |
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self assert:( 0.4 asLargeFloat roundedAsFloat = 0.0 ). |
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self assert:( 0.5 asLargeFloat roundedAsFloat = 1.0 ). |
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self assert:( 0.6 asLargeFloat roundedAsFloat = 1.0 ). |
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323 |
self assert:( -0.4 asLargeFloat roundedAsFloat = 0 ). |
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self assert:( -0.5 asLargeFloat roundedAsFloat = -1.0 ). |
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325 |
self assert:( -0.6 asLargeFloat roundedAsFloat = -1.0 ). |
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326 |
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327 |
self assert:( 0.4 truncated ) class == SmallInteger. |
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328 |
self assert:( 0.4 truncated = 0 ). |
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329 |
self assert:( 0.5 truncated = 0 ). |
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330 |
self assert:( 0.6 truncated = 0 ). |
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331 |
self assert:( -0.4 truncated = 0 ). |
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332 |
self assert:( -0.5 truncated = 0 ). |
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self assert:( -0.6 truncated = 0 ). |
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334 |
||
335 |
self assert:( 0.4 truncatedAsFloat ) class == Float. |
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336 |
self assert:( 0.4 truncatedAsFloat = 0.0 ). |
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337 |
self assert:( 0.5 truncatedAsFloat = 0.0 ). |
|
338 |
self assert:( 0.6 truncatedAsFloat = 0.0 ). |
|
339 |
self assert:( -0.4 truncatedAsFloat = 0 ). |
|
340 |
self assert:( -0.5 truncatedAsFloat = 0.0 ). |
|
341 |
self assert:( -0.6 truncatedAsFloat = 0.0 ). |
|
342 |
||
343 |
self assert:( 0.4 asShortFloat truncated ) class == SmallInteger. |
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344 |
self assert:( 0.4 asShortFloat truncated = 0 ). |
|
345 |
self assert:( 0.5 asShortFloat truncated = 0 ). |
|
346 |
self assert:( 0.6 asShortFloat truncated = 0 ). |
|
347 |
self assert:( -0.4 asShortFloat truncated = 0 ). |
|
348 |
self assert:( -0.5 asShortFloat truncated = 0 ). |
|
349 |
self assert:( -0.6 asShortFloat truncated = 0 ). |
|
350 |
||
351 |
self assert:( 0.4 asShortFloat truncatedAsFloat ) class == ShortFloat. |
|
352 |
self assert:( 0.4 asShortFloat truncatedAsFloat = 0.0 ). |
|
353 |
self assert:( 0.5 asShortFloat truncatedAsFloat = 0.0 ). |
|
354 |
self assert:( 0.6 asShortFloat truncatedAsFloat = 0.0 ). |
|
355 |
self assert:( -0.4 asShortFloat truncatedAsFloat = 0 ). |
|
356 |
self assert:( -0.5 asShortFloat truncatedAsFloat = 0.0 ). |
|
357 |
self assert:( -0.6 asShortFloat truncatedAsFloat = 0.0 ). |
|
358 |
||
359 |
self assert:( 0.4 asLargeFloat truncated ) class == SmallInteger. |
|
360 |
self assert:( 0.4 asLargeFloat truncated = 0 ). |
|
361 |
self assert:( 0.5 asLargeFloat truncated = 0 ). |
|
362 |
self assert:( 0.6 asLargeFloat truncated = 0 ). |
|
363 |
self assert:( -0.4 asLargeFloat truncated = 0 ). |
|
364 |
self assert:( -0.5 asLargeFloat truncated = 0 ). |
|
365 |
self assert:( -0.6 asLargeFloat truncated = 0 ). |
|
366 |
||
367 |
self assert:( 0.4 asLargeFloat truncatedAsFloat ) class == LargeFloat. |
|
368 |
self assert:( 0.4 asLargeFloat truncatedAsFloat = 0.0 ). |
|
369 |
self assert:( 0.5 asLargeFloat truncatedAsFloat = 0.0 ). |
|
370 |
self assert:( 0.6 asLargeFloat truncatedAsFloat = 0.0 ). |
|
371 |
self assert:( -0.4 asLargeFloat truncatedAsFloat = 0 ). |
|
372 |
self assert:( -0.5 asLargeFloat truncatedAsFloat = 0.0 ). |
|
373 |
self assert:( -0.6 asLargeFloat truncatedAsFloat = 0.0 ). |
|
374 |
||
375 |
" |
|
376 |
self basicNew test07_Truncation |
|
377 |
" |
|
378 |
! |
|
379 |
||
380 |
test08_Representation |
|
381 |
"/ self assert:( 0.0 asLargeFloat exponent = 0 ). |
|
382 |
"/ self assert:( 1.0 asLargeFloat exponent = 0 "1" ). |
|
383 |
"/ self assert:( 2.0 asLargeFloat exponent = 1 "2" ). |
|
384 |
"/ self assert:( 3.0 asLargeFloat exponent = 2 ). |
|
385 |
"/ self assert:( 4.0 asLargeFloat exponent = 3 ). |
|
386 |
"/ self assert:( 0.5 asLargeFloat exponent = 0 ). |
|
387 |
"/ self assert:( 0.4 asLargeFloat exponent = -1 ). |
|
388 |
"/ self assert:( 0.25 asLargeFloat exponent = -1 ). |
|
389 |
"/ self assert:( 0.125 asLargeFloat exponent = -2 ). |
|
390 |
"/ self assert:( 0.00000011111 asLargeFloat exponent = -23 ). |
|
391 |
||
392 |
" |
|
393 |
self basicNew test08_Representation |
|
394 |
" |
|
395 |
! |
|
396 |
||
397 |
test09_Testing |
|
398 |
self assert:( 0.0 asLargeFloat isZero ). |
|
399 |
self assert:( 1.0 asLargeFloat isZero not ). |
|
400 |
||
401 |
self assert:( 0.0 asLargeFloat negative not ). |
|
402 |
self assert:( 1.0 asLargeFloat negative not ). |
|
403 |
self assert:( -1.0 asLargeFloat negative ). |
|
404 |
||
405 |
self assert:( 0.0 asLargeFloat positive ). |
|
406 |
self assert:( 1.0 asLargeFloat positive ). |
|
407 |
self assert:( -1.0 asLargeFloat positive not ). |
|
408 |
||
409 |
self assert:( 0.0 asLargeFloat strictlyPositive not ). |
|
410 |
self assert:( 1.0 asLargeFloat strictlyPositive ). |
|
411 |
self assert:( -1.0 asLargeFloat strictlyPositive not ). |
|
412 |
||
413 |
self assert:( 0.0 asLargeFloat sign == 0 ). |
|
414 |
self assert:( 1.0 asLargeFloat sign == 1 ). |
|
415 |
self assert:( -1.0 asLargeFloat sign == -1 ). |
|
416 |
||
417 |
" |
|
418 |
self basicNew test09_Testing |
|
419 |
" |
|
420 |
! ! |
|
421 |
||
422 |
!LargeFloatTest class methodsFor:'documentation'! |
|
423 |
||
424 |
version |
|
425 |
^ '$Header$' |
|
426 |
! ! |
|
| 1070 | 427 |