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"{ Package: 'stx:goodies/regression' }"
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"{ NameSpace: RegressionTests }"
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TestCase subclass:#QDoubleTests
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'tests-regression'
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!
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!QDoubleTests class methodsFor:'documentation'!
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documentation
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"
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documentation to be added.
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[author:]
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cg
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[instance variables:]
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[class variables:]
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[see also:]
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"
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! !
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!QDoubleTests methodsFor:'tests'!
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test_01_instance_creation
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|q|
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q := QDouble fromFloat:1.0.
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self assert:(q d0 = 1.0).
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self assert:(q d1 = 0.0).
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self assert:(q d2 = 0.0).
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self assert:(q d3 = 0.0).
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q := 1.0 asQDouble.
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self assert:(q d0 = 1.0).
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self assert:(q d1 = 0.0).
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self assert:(q d2 = 0.0).
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self assert:(q d3 = 0.0).
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1617
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q := 1e40 asQDouble + 1.0 asQDouble.
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self assert:(q d0 = 1e40).
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self assert:(q d1 = 1.0).
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self assert:(q d2 = 0.0).
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self assert:(q d3 = 0.0).
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q := 1e40 asQDouble + 1.0.
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self assert:(q d0 = 1e40).
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self assert:(q d1 = 1.0).
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self assert:(q d2 = 0.0).
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self assert:(q d3 = 0.0).
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q := 1e120 asQDouble + 1e40 + 1.0.
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self assert:(q d0 = 1e120).
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self assert:(q d1 = 1e40).
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self assert:(q d2 = 1.0).
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self assert:(q d3 = 0.0).
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q := 1e200 asQDouble + 1e120 + 1e40 + 1.0.
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self assert:(q d0 = 1e200).
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self assert:(q d1 = 1e120).
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self assert:(q d2 = 1e40).
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self assert:(q d3 = 1.0).
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1606
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"
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self run:#test_01_instance_creation
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self new test_01_instance_creation
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"
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"Created: / 12-06-2017 / 17:03:46 / cg"
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1617
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"Modified: / 20-06-2017 / 07:48:51 / cg"
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1606
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!
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test_02_addition
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|d1 d2 l1 l2 sum_l q1 q2 sum_d sum_q|
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d1 := 1.0.
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d2 := 1.0e-16.
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sum_d := d1 + d2.
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"/ precision is lost with doubles!!
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self assert:( sum_d - 1.0 = 0.0 ).
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l1 := 1.0 asLongFloat.
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l2 := 1.0e-16 asLongFloat.
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sum_l := l1 + l2.
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"/ no precision is lost with long doubles!!
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self assert:( (sum_l - (1.0 asLongFloat)) > 0.0 ).
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l1 := 1.0 asLongFloat.
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l2 := 1.0e-30 asLongFloat.
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sum_l := l1 + l2.
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"/ precision is lost!!
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self assert:( (sum_l - (1.0 asLongFloat)) = 0.0 ).
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q1 := QDouble fromFloat:1.0.
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q2 := QDouble fromFloat:1.0e-16.
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sum_q := q1 + q2.
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"/ no precision is lost
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self assert:( (sum_q - (QDouble fromFloat:1.0)) > 0.0 ).
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q1 := QDouble fromFloat:1.0.
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q2 := QDouble fromFloat:2.0.
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sum_q := q1 + q2.
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self assert:( sum_q = 3.0 ).
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1607
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q1 := QDouble fromFloat:1.0.
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q2 := QDouble fromFloat:2.0.
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sum_q := q1 + 2.0.
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self assert:( sum_q = 3.0 ).
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q1 := QDouble fromFloat:1.0.
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q2 := QDouble fromFloat:2.0.
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sum_q := 1.0 + q2.
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self assert:( sum_q = 3.0 ).
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q1 := 1e200 asQDouble + 1e120 + 1e40 + 1.0.
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q2 := 1e120.
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sum_q := q1 + q2.
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self assert:(sum_q d0 = 1e200).
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self assert:(sum_q d1 = 2e120).
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self assert:(sum_q d2 = 1e40).
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self assert:(sum_q d3 = 1.0).
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1606
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"
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self run:#test_02_addition
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self new test_02_addition
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"
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"Created: / 12-06-2017 / 17:05:07 / cg"
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1617
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"Modified: / 20-06-2017 / 07:49:32 / cg"
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1606
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!
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test_03_subtract
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|d1 d2 l1 l2 diff_l q1 q2 diff_d diff_q|
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d1 := 1.0.
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d2 := 0.99999.
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diff_d := d1 - d2.
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"/ precision is lost with doubles!!
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l1 := 1.0 asLongFloat.
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l2 := 0.99999 asLongFloat.
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diff_l := l1 - l2.
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"/ no precision is lost with long doubles!!
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q1 := QDouble fromFloat:1.0.
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q2 := QDouble fromFloat:0.99999.
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diff_q := q1 - q2.
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"
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self run:#test_03_subtract
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self new test_03_subtract
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"
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"Created: / 12-06-2017 / 23:12:00 / cg"
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1608
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!
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test_04_relops
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self assert:(1.0 = 1.0 asQDouble).
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self assert:(1.0 asQDouble = 1.0).
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self assert:(1.0 asQDouble = 1.0 asQDouble).
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self assert:(1 = 1 asQDouble).
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self assert:(1 asQDouble = 1).
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self assert:(1 asQDouble = 1 asQDouble).
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self assert:(1 = 1.0 asQDouble).
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self assert:(1.0 asQDouble = 1).
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self assert:(1.0 asQDouble = 1 asQDouble).
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self assert:(1.0 = 1 asQDouble).
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self assert:(1 asQDouble = 1.0).
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self assert:(1 asQDouble = 1.0 asQDouble).
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self deny:(1.0 = 1.1 asQDouble).
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self deny:(1.0 asQDouble = 1.1).
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self deny:(1.0 asQDouble = 1.1 asQDouble).
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self deny:(1 = 2 asQDouble).
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self deny:(1 asQDouble = 2).
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self deny:(1 asQDouble = 2 asQDouble).
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self deny:(1 = 2.0 asQDouble).
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self deny:(1.0 asQDouble = 2).
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self deny:(1.0 asQDouble = 2 asQDouble).
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self deny:(2.0 = 1 asQDouble).
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self deny:(2 asQDouble = 1.0).
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self deny:(2 asQDouble = 1.0 asQDouble).
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self assert:(1.0 < 1.1 asQDouble).
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self assert:(1.0 asQDouble < 1.1).
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self assert:(1.0 asQDouble < 1.1 asQDouble).
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self assert:(1 < 2 asQDouble).
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self assert:(1 asQDouble < 2).
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self assert:(1 asQDouble < 2 asQDouble).
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self assert:(1 < 2.0 asQDouble).
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self assert:(1.0 asQDouble < 2).
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self assert:(1.0 asQDouble < 2 asQDouble).
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self assert:(1.0 < 2 asQDouble).
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self assert:(1 asQDouble < 2.0).
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self assert:(1 asQDouble < 2.0 asQDouble).
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self deny:(1.0 < 1.0 asQDouble).
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self deny:(1.0 asQDouble < 1.0).
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self deny:(1.0 asQDouble < 1.0 asQDouble).
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self deny:(1 < 1 asQDouble).
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self deny:(1 asQDouble < 1).
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self deny:(1 asQDouble < 1 asQDouble).
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self deny:(1 < 1.0 asQDouble).
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self deny:(1.0 asQDouble < 1).
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self deny:(1.0 asQDouble < 1 asQDouble).
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self deny:(1.0 < 1 asQDouble).
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self deny:(1 asQDouble < 1.0).
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self deny:(1 asQDouble < 1.0 asQDouble).
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self assert:(2.0 > 1.1 asQDouble).
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self assert:(2.0 asQDouble > 1.1).
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self assert:(2.0 asQDouble > 1.1 asQDouble).
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self assert:(3 > 2 asQDouble).
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self assert:(3 asQDouble > 2).
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self assert:(3 asQDouble > 2 asQDouble).
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self assert:(3 > 2.0 asQDouble).
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self assert:(3.0 asQDouble > 2).
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self assert:(3.0 asQDouble > 2 asQDouble).
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self assert:(3.0 > 2 asQDouble).
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self assert:(3 asQDouble > 2.0).
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self assert:(3 asQDouble > 2.0 asQDouble).
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self deny:(1.0 > 3.0 asQDouble).
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self deny:(1.0 asQDouble > 3.0).
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self deny:(1.0 asQDouble > 3.0 asQDouble).
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self deny:(1 > 3 asQDouble).
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self deny:(1 asQDouble > 3).
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self deny:(1 asQDouble > 3 asQDouble).
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self deny:(1 > 3.0 asQDouble).
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self deny:(1.0 asQDouble > 3).
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self deny:(1.0 asQDouble > 3 asQDouble).
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self deny:(1.0 > 3 asQDouble).
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self deny:(1 asQDouble > 3.0).
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self deny:(1 asQDouble > 3.0 asQDouble).
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269 |
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270 |
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self assert:(1.0 <= 3.0 asQDouble).
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self assert:(1.0 asQDouble <= 3.0).
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self assert:(1.0 asQDouble <= 3.0 asQDouble).
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274 |
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self assert:(1.0 <= 1.0 asQDouble).
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self assert:(1.0 asQDouble <= 1.0).
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self assert:(1.0 asQDouble <= 1.0 asQDouble).
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self assert:(2.0 >= 1.0 asQDouble).
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self assert:(2.0 asQDouble >= 1.0).
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self assert:(2.0 asQDouble >= 1.0 asQDouble).
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self assert:(1.0 >= 1.0 asQDouble).
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self assert:(1.0 asQDouble >= 1.0).
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self assert:(1.0 asQDouble >= 1.0 asQDouble).
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1617
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287 |
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288 |
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self assert: ((1.0 asQDouble + 1e-40) > 1.0 asQDouble).
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self assert: (1.0 asQDouble < (1.0 asQDouble + 1e-40)).
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self assert: (1.0 asQDouble < (1.0 asQDouble + 1e-80)).
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self assert: (1.0 asQDouble < (1.0 asQDouble + 1e-120)).
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self assert: (1.0 asQDouble < (1.0 asQDouble + 1e-300)).
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self assert: (1.0 asQDouble < (1.0 asQDouble + 1e-300)).
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295 |
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self assert: ((1.0 asQDouble + 1e-40) > 1.0).
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self assert: (1.0 < (1.0 asQDouble + 1e-40)).
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self assert: (1.0 < (1.0 asQDouble + 1e-80)).
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self assert: (1.0 < (1.0 asQDouble + 1e-120)).
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self assert: (1.0 < (1.0 asQDouble + 1e-300)).
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self assert: (1.0 < (1.0 asQDouble + 1e-300)).
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302 |
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1618
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self assert: (1e10 asQDouble + 1.0) = 10000000001.0.
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1617
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304 |
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305 |
"/ here the precision of QDOubles is no longer enough:
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"/ self assert: 1.0 asQDouble < (1.0 asQDouble + 1e-310).
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307 |
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1608
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"
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309 |
self run:#test_03_subtract
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310 |
self new test_03_subtract
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311 |
"
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312 |
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313 |
"Created: / 13-06-2017 / 17:11:37 / cg"
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1618
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314 |
"Modified: / 20-06-2017 / 09:16:50 / cg"
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1614
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315 |
!
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316 |
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317 |
test_05_multiply
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318 |
|q1 q2 p|
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319 |
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320 |
q1 := QDouble fromFloat:3.0. "/ DoubleArray(2.0 0.0 0.0 0.0)
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321 |
p := 2.0 * q1.
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322 |
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self assert:(p d0 = 6.0).
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self assert:(p d1 = 0.0).
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self assert:(p d2 = 0.0).
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self assert:(p d3 = 0.0).
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self assert:(p = 6.0).
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self assert:(6.0 = p).
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329 |
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q1 := QDouble fromFloat:2.0. "/ DoubleArray(2.0 0.0 0.0 0.0)
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p := q1 * 3.0.
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332 |
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self assert:(p d0 = 6.0).
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self assert:(p d1 = 0.0).
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335 |
self assert:(p d2 = 0.0).
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336 |
self assert:(p d3 = 0.0).
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self assert:(p = 6.0).
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self assert:(6.0 = p).
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339 |
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q1 := QDouble fromFloat:2.0. "/ DoubleArray(2.0 0.0 0.0 0.0)
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q2 := QDouble fromFloat:3.0. "/ DoubleArray(3.0 0.0 0.0 0.0)
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p := q1 * q2.
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343 |
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self assert:(p d0 = 6.0).
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345 |
self assert:(p d1 = 0.0).
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346 |
self assert:(p d2 = 0.0).
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347 |
self assert:(p d3 = 0.0).
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|
348 |
self assert:(p = 6.0).
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|
349 |
self assert:(6.0 = p).
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1617
|
350 |
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|
351 |
"/ the 1 is not forgotten!!
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|
|
352 |
q1 := 1 asQDouble + 1e40.
|
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|
353 |
q2 := 2.0.
|
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|
354 |
p := q1 * q2.
|
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|
355 |
|
|
|
356 |
self assert:(p d0 = 2e40).
|
|
|
357 |
self assert:(p d1 = 2.0).
|
|
|
358 |
self assert:(p d2 = 0.0).
|
|
|
359 |
self assert:(p d3 = 0.0).
|
|
|
360 |
self assert:(p > 2e40).
|
|
|
361 |
self assert:(p-2e40) = 2.0.
|
|
|
362 |
|
|
|
363 |
"/ nothing is forgotten!!
|
|
|
364 |
q1 := 1 asQDouble + 1e40 + 1e120.
|
|
|
365 |
q2 := 2.0.
|
|
|
366 |
p := q1 * q2.
|
|
|
367 |
|
|
|
368 |
self assert:(p d0 = 2e120).
|
|
|
369 |
self assert:(p d1 = 2e40).
|
|
|
370 |
self assert:(p d2 = 2.0).
|
|
|
371 |
self assert:(p d3 = 0.0).
|
|
|
372 |
self assert:(p > 2e120).
|
|
|
373 |
self assert:(p > (2e120 asQDouble + 2)).
|
|
|
374 |
self assert:(p > (2e120 asQDouble + 1e40)).
|
|
|
375 |
self assert:(p-2e120) = (2 asQDouble + 2e40).
|
|
|
376 |
self assert:(p-2e120-2e40) = 2.0.
|
|
|
377 |
|
|
1614
|
378 |
"
|
|
|
379 |
self run:#test_05_multiply
|
|
|
380 |
self new test_05_multiply
|
|
|
381 |
"
|
|
|
382 |
|
|
|
383 |
"Created: / 19-06-2017 / 16:58:29 / cg"
|
|
1617
|
384 |
"Modified (comment): / 20-06-2017 / 07:42:52 / cg"
|
|
1616
|
385 |
!
|
|
|
386 |
|
|
|
387 |
test_06_exp
|
|
|
388 |
|f1 q1|
|
|
|
389 |
|
|
|
390 |
f1 := 1.0 exp.
|
|
|
391 |
q1 := 1.0 asQDouble exp.
|
|
|
392 |
|
|
|
393 |
self assert:(q1 d0 = f1).
|
|
|
394 |
|
|
|
395 |
"
|
|
|
396 |
self run:#test_06_exp
|
|
|
397 |
self new test_06_exp
|
|
|
398 |
"
|
|
|
399 |
|
|
|
400 |
"Created: / 19-06-2017 / 17:58:08 / cg"
|
|
1617
|
401 |
!
|
|
|
402 |
|
|
|
403 |
test_07_reading
|
|
|
404 |
|q1 s|
|
|
|
405 |
|
|
|
406 |
q1 := QDouble readFrom: '3.1415926535897'.
|
|
|
407 |
s := '%55.54f' printf:{ q1 }.
|
|
|
408 |
self assert:(s = ' 3.1415926535897').
|
|
|
409 |
|
|
|
410 |
q1 := QDouble readFrom: '3.141592653589793238462643383'.
|
|
|
411 |
s := '%55.54f' printf:{ q1 }.
|
|
|
412 |
self assert:(s = ' 3.141592653589793238462643383').
|
|
|
413 |
|
|
|
414 |
q1 := QDouble readFrom: '3.141592653589793238462643383279502884197169399375105820'.
|
|
|
415 |
s := '%55.54f' printf:{ q1 }.
|
|
|
416 |
self assert:(s = '3.14159265358979323846264338327950288419716939937510582').
|
|
|
417 |
|
|
|
418 |
"
|
|
|
419 |
self run:#test_07_reading
|
|
|
420 |
self new test_07_reading
|
|
|
421 |
"
|
|
|
422 |
|
|
|
423 |
"Created: / 19-06-2017 / 23:29:34 / cg"
|
|
|
424 |
!
|
|
|
425 |
|
|
|
426 |
test_08_conversion
|
|
|
427 |
|q i|
|
|
|
428 |
|
|
|
429 |
q := 1e10 asQDouble + 1.0.
|
|
|
430 |
i := q asInteger.
|
|
|
431 |
|
|
|
432 |
self assert:(i = 10000000001).
|
|
|
433 |
|
|
|
434 |
"
|
|
|
435 |
self run:#test_08_conversion
|
|
|
436 |
self new test_08_conversion
|
|
|
437 |
"
|
|
|
438 |
|
|
|
439 |
"Created: / 20-06-2017 / 07:51:50 / cg"
|
|
1606
|
440 |
! !
|
|
|
441 |
|
|
|
442 |
!QDoubleTests class methodsFor:'documentation'!
|
|
|
443 |
|
|
|
444 |
version
|
|
|
445 |
^ '$Header$'
|
|
|
446 |
!
|
|
|
447 |
|
|
|
448 |
version_CVS
|
|
|
449 |
^ '$Header$'
|
|
|
450 |
! !
|
|
|
451 |
|