--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RegressionTests__LargeFloatTest.st Sat Jun 21 12:02:34 2003 +0200
@@ -0,0 +1,426 @@
+"{ Package: 'exept:regression' }"
+
+"{ NameSpace: RegressionTests }"
+
+TestCase subclass:#LargeFloatTest
+ instanceVariableNames:''
+ classVariableNames:''
+ poolDictionaries:''
+ category:'tests-Regression'
+!
+
+
+!LargeFloatTest methodsFor:'helpers'!
+
+actualPrecisionOf:aFloatClass
+ "get the actual number of valid bits in the mantissa.
+ This does a real test (i.e. does not believe the compiled-in ifdefs)"
+
+ |one half x count|
+
+ one := aFloatClass unity. "/ 1.0 in this class
+ half := one coerce:0.5.
+ x := one.
+ count := 0.
+
+ [ one + x ~= one] whileTrue:[
+ x := x * half.
+ count := count + 1.
+ ].
+ ^ count
+
+ "
+ self basicNew actualPrecisionOf:ShortFloat
+ self basicNew actualPrecisionOf:Float
+ self basicNew actualPrecisionOf:LongFloat
+ "
+! !
+
+!LargeFloatTest methodsFor:'tests'!
+
+test01_Nan
+ "NaN in all avaliable formats."
+
+ |shouldBeNaN|
+
+ shouldBeNaN := 0.0 asLargeFloat uncheckedDivide: 0.0.
+ self assert:( shouldBeNaN isMemberOf:LargeFloat ).
+ self assert:( shouldBeNaN isNaN ).
+ self assert:( shouldBeNaN isFinite not ).
+
+
+ shouldBeNaN := 0.0 asLargeFloat uncheckedDivide: 0.0.
+ self assert:( shouldBeNaN asShortFloat isNaN ).
+ self assert:( shouldBeNaN asLongFloat isNaN ).
+ self should:[ shouldBeNaN asInteger ] raise:DomainError.
+
+
+ self assert:( shouldBeNaN + 1 ) isNaN.
+ self assert:( shouldBeNaN + 1.0 ) isNaN.
+ self assert:( shouldBeNaN + 1.0 asShortFloat ) isNaN.
+ self assert:( shouldBeNaN + 1.0 asLongFloat ) isNaN.
+ self assert:( shouldBeNaN + 1.0 asLargeFloat ) isNaN.
+
+ self assert:( 1 + shouldBeNaN ) isNaN.
+ self assert:( 1.0 + shouldBeNaN ) isNaN.
+ self assert:( 1.0 asShortFloat + shouldBeNaN ) isNaN.
+ self assert:( 1.0 asLongFloat + shouldBeNaN ) isNaN.
+ self assert:( 1.0 asLargeFloat + shouldBeNaN ) isNaN.
+
+ self assert:( shouldBeNaN - 1 ) isNaN.
+ self assert:( shouldBeNaN - 1.0 ) isNaN.
+ self assert:( shouldBeNaN - 1.0 asShortFloat ) isNaN.
+ self assert:( shouldBeNaN - 1.0 asLongFloat ) isNaN.
+ self assert:( shouldBeNaN - 1.0 asLargeFloat ) isNaN.
+
+ self assert:( 1 - shouldBeNaN ) isNaN.
+ self assert:( 1.0 - shouldBeNaN ) isNaN.
+ self assert:( 1.0 asShortFloat - shouldBeNaN ) isNaN.
+ self assert:( 1.0 asLongFloat - shouldBeNaN ) isNaN.
+ self assert:( 1.0 asLargeFloat - shouldBeNaN ) isNaN.
+
+ "
+ self basicNew test01_Nan
+ "
+!
+
+test02_Inf
+ "Infinity in all avaliable formats."
+
+ |check posInf negInf|
+
+ check :=
+ [:v1 :v2 |
+
+ posInf := v1 uncheckedDivide: v2.
+
+ self assert:( posInf isMemberOf:v1 class ).
+ self assert:( posInf isNaN not ).
+ self assert:( posInf isFinite not ).
+ self assert:( posInf isInfinite ).
+ self assert:( posInf positive ).
+ self assert:( posInf negative not ).
+ self assert:( posInf isNegativeInfinity not).
+ self assert:( posInf isPositiveInfinity ).
+
+ negInf := v1 negated uncheckedDivide: v2.
+
+ self assert:( negInf isMemberOf:v1 class ).
+ self assert:( negInf isNaN not ).
+ self assert:( negInf isFinite not ).
+ self assert:( negInf isInfinite ).
+ self assert:( negInf positive not).
+ self assert:( negInf negative ).
+ self assert:( negInf isNegativeInfinity ).
+ self assert:( negInf isPositiveInfinity not ).
+
+ self assert:( negInf + negInf = negInf).
+ self assert:( posInf + posInf = posInf).
+ self assert:( negInf + posInf) isNaN.
+ self assert:( posInf + negInf) isNaN.
+
+ self assert:( negInf - posInf = negInf).
+ self assert:( negInf - negInf) isNaN.
+ self assert:( posInf - negInf = posInf).
+ self assert:( posInf - posInf) isNaN.
+
+ self assert:( posInf + v1) = posInf.
+ self assert:( posInf - v1) = posInf.
+ self assert:( negInf + v1) = negInf.
+ self assert:( negInf - v1) = negInf.
+ ].
+
+ check value: 1.0 asLargeFloat value: 0.0 asLargeFloat.
+
+ "
+ self basicNew test02_Inf
+ "
+!
+
+test03_Conversion
+ self assert:( 1.0 asLargeFloat asTrueFraction == 1 ).
+ self assert:( 2.0 asLargeFloat asTrueFraction == 2 ).
+ self assert:( 4.0 asLargeFloat asTrueFraction == 4 ).
+ self assert:( 8.0 asLargeFloat asTrueFraction == 8 ).
+ self assert:( 16.0 asLargeFloat asTrueFraction == 16 ).
+ self assert:( 1048576.0 asLargeFloat asTrueFraction == 1048576 ).
+ self assert:( 0.5 asLargeFloat asTrueFraction = (1/2) ).
+ self assert:( 0.25 asLargeFloat asTrueFraction = (1/4) ).
+ self assert:( 0.125 asLargeFloat asTrueFraction = (1/8) ).
+
+ "
+ self basicNew test03_Conversion
+ "
+!
+
+test04_Arithmetic
+ self assert:( 1.0 asLargeFloat + 1.0 ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat + 1.0 asShortFloat ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat + 1.0 asFloat ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat + 1 ) class == LargeFloat.
+
+ self assert:( 1.0 asLargeFloat - 1.0 ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat - 1.0 asShortFloat ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat - 1.0 asFloat ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat - 1 ) class == LargeFloat.
+
+ self assert:( 1.0 asLargeFloat * 1.0 ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat * 1.0 asShortFloat ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat * 1.0 asFloat ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat * 1 ) class == LargeFloat.
+
+ self assert:( 1.0 asLargeFloat / 1.0 ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat / 1.0 asShortFloat ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat / 1.0 asFloat ) class == LargeFloat.
+ self assert:( 1.0 asLargeFloat / 1 ) class == LargeFloat.
+
+ self assert:( 1.0 asLargeFloat + 1.0 asLargeFloat) = 2.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat + 0.0 asLargeFloat) = 1.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat + 2.0 asLargeFloat) = 3.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat + 3.0 asLargeFloat) = 4.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat + 1.0 asLargeFloat negated) = 0.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat + 2.0 asLargeFloat negated) = -1.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat + -1.0 asLargeFloat negated) = 2.0 asLargeFloat.
+
+ self assert:( 1.0 asLargeFloat - 1.0 asLargeFloat) = 0.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat - 0.0 asLargeFloat) = 1.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat - 2.0 asLargeFloat) = -1.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat - 3.0 asLargeFloat) = -2.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat - 1.0 asLargeFloat negated) = 2.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat - 2.0 asLargeFloat negated) = 3.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat - -1.0 asLargeFloat negated) = 0.0 asLargeFloat.
+
+ self assert:( 1.0 asLargeFloat * 1.0 asLargeFloat) = 1.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat * 0.0 asLargeFloat) = 0.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat * 2.0 asLargeFloat) = 2.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat * 3.0 asLargeFloat) = 3.0 asLargeFloat.
+ self assert:( 2.0 asLargeFloat * 3.0 asLargeFloat) = 6.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat * 1.0 asLargeFloat negated) = -1.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat * 2.0 asLargeFloat negated) = -2.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat * -1.0 asLargeFloat negated) = 1.0 asLargeFloat.
+
+ self assert:( 1.0 asLargeFloat / 1.0 asLargeFloat) = 1.0 asLargeFloat.
+ self assert:( 1.0 asLargeFloat / 2.0 asLargeFloat) = 0.5 asLargeFloat.
+ self assert:( 3.0 asLargeFloat / 2.0 asLargeFloat) = (3/2) asLargeFloat.
+
+ "
+ self basicNew test04_Arithmetic
+ "
+!
+
+test05_Comparing
+ self assert:( 2.0 asLargeFloat = 2 ).
+ self assert:( 2.0 asLargeFloat = 2.0 asShortFloat ).
+ self assert:( 2.0 asLargeFloat = 2.0 ).
+ self assert:( 2.0 asLargeFloat = 2.0 asLongFloat ).
+ self assert:( 2.0 asLargeFloat = 2.0 asLargeFloat ).
+
+ self assert:( 2.0 asLargeFloat = 3 ) not.
+ self assert:( 2.0 asLargeFloat = 3.0 asShortFloat ) not.
+ self assert:( 2.0 asLargeFloat = 3.0 ) not.
+ self assert:( 2.0 asLargeFloat = 3.0 asLongFloat ) not.
+ self assert:( 2.0 asLargeFloat = 3.0 asLargeFloat ) not.
+
+ self assert:( 2.0 asLargeFloat < 3 ).
+ self assert:( 2.0 asLargeFloat < 3.0 asShortFloat ).
+ self assert:( 2.0 asLargeFloat < 3.0 asLargeFloat ).
+
+ self assert:( 200000000000000000000.0 asLargeFloat < 200000000000100000000 ).
+
+ self assert:( 200000000000000000000 < 200001000000000000000.0 asLargeFloat ).
+
+
+ self assert:( 2.0 asLargeFloat <= 3 ).
+ self assert:( 2.0 asLargeFloat <= 2 ).
+ self assert:( 2.0 asLargeFloat <= 3.0 asShortFloat ).
+ self assert:( 2.0 asLargeFloat <= 2.0 asShortFloat ).
+ self assert:( 2.0 asLargeFloat <= 3.0 asLongFloat ).
+ self assert:( 2.0 asLargeFloat <= 2.0 asLongFloat ).
+ self assert:( 2.0 asLargeFloat <= 3.0 asLargeFloat ).
+ self assert:( 2.0 asLargeFloat <= 2.0 asLargeFloat ).
+
+ self assert:( 200000000000000000000.0 asLargeFloat <= 200000000000000000001 ).
+ self assert:( 200000000000000000000.0 asLargeFloat <= 200000000000000000000 ).
+
+ self assert:( 200000000000000000000 <= 200001000000000000000.0 asLargeFloat ).
+ self assert:( 200000000000000000000 <= 200000000000000000000.0 asLargeFloat ).
+
+ "
+ self basicNew test05_Comparing
+ "
+!
+
+test06_MiscMath
+ #(
+"/ sqrt 0.5
+"/ exp 0.5
+"/ ln 0.5
+"/ log10 0.5
+"/ sin 0.5
+"/ cos 0.5
+"/ tan 0.5
+"/ arcSin 0.5
+"/ arcCos 0.5
+"/ arcTan 0.5
+
+ sinh 0.5
+ cosh 0.5
+ tanh 0.5
+ arcSinh 0.5
+ arcCosh 1.5
+ arcTanh 0.5
+ ) pairWiseDo:[:op :arg |
+"/ self assert:( arg asLargeFloat perform:op ) class == LargeFloat.
+ ( arg asLargeFloat perform:op ) class == LargeFloat ifFalse:[
+ Transcript showCR:'warning: missing LargeFloat function: ' , op.
+ ].
+
+ self assert:( (arg perform:op) - (arg asLargeFloat perform:op) ) < 0.000001.
+ self assert:( (arg perform:op) - (arg perform:op) asLargeFloat ) < 0.000001.
+ ].
+
+ "
+ self basicNew test06_MiscMath
+ "
+!
+
+test07_Truncation
+ |check|
+
+ check := [:num |
+ self assert:( num fractionPart + num truncated ) = num.
+ self assert:( num fractionPart + num truncated ) class == num class.
+ ].
+
+ check value:1.6 asLargeFloat.
+ check value:-1.6 asLargeFloat.
+
+
+ self assert:( 1.6 asLargeFloat ceiling ) = 2.
+
+ self assert:( 1.6 asLargeFloat ceilingAsFloat ) = 2.0 asLargeFloat.
+ self assert:( 1.6 asLargeFloat ceilingAsFloat ) class == LargeFloat.
+
+
+ self assert:( 1.6 asLargeFloat floor ) = 1.
+
+ self assert:( 1.6 asLargeFloat floorAsFloat ) = 1.0 asLargeFloat.
+ self assert:( 1.6 asLargeFloat floorAsFloat ) class == LargeFloat.
+
+
+ self assert:( 0.4 asLargeFloat rounded ) class == SmallInteger.
+ self assert:( 0.4 asLargeFloat rounded = 0 ).
+ self assert:( 0.5 asLargeFloat rounded = 1 ).
+ self assert:( 0.6 asLargeFloat rounded = 1 ).
+ self assert:( -0.4 asLargeFloat rounded = 0 ).
+ self assert:( -0.5 asLargeFloat rounded = -1 ).
+ self assert:( -0.6 asLargeFloat rounded = -1 ).
+
+ self assert:( 0.4 asLargeFloat roundedAsFloat ) class == LargeFloat.
+ self assert:( 0.4 asLargeFloat roundedAsFloat = 0.0 ).
+ self assert:( 0.5 asLargeFloat roundedAsFloat = 1.0 ).
+ self assert:( 0.6 asLargeFloat roundedAsFloat = 1.0 ).
+ self assert:( -0.4 asLargeFloat roundedAsFloat = 0 ).
+ self assert:( -0.5 asLargeFloat roundedAsFloat = -1.0 ).
+ self assert:( -0.6 asLargeFloat roundedAsFloat = -1.0 ).
+
+ self assert:( 0.4 truncated ) class == SmallInteger.
+ self assert:( 0.4 truncated = 0 ).
+ self assert:( 0.5 truncated = 0 ).
+ self assert:( 0.6 truncated = 0 ).
+ self assert:( -0.4 truncated = 0 ).
+ self assert:( -0.5 truncated = 0 ).
+ self assert:( -0.6 truncated = 0 ).
+
+ self assert:( 0.4 truncatedAsFloat ) class == Float.
+ self assert:( 0.4 truncatedAsFloat = 0.0 ).
+ self assert:( 0.5 truncatedAsFloat = 0.0 ).
+ self assert:( 0.6 truncatedAsFloat = 0.0 ).
+ self assert:( -0.4 truncatedAsFloat = 0 ).
+ self assert:( -0.5 truncatedAsFloat = 0.0 ).
+ self assert:( -0.6 truncatedAsFloat = 0.0 ).
+
+ self assert:( 0.4 asShortFloat truncated ) class == SmallInteger.
+ self assert:( 0.4 asShortFloat truncated = 0 ).
+ self assert:( 0.5 asShortFloat truncated = 0 ).
+ self assert:( 0.6 asShortFloat truncated = 0 ).
+ self assert:( -0.4 asShortFloat truncated = 0 ).
+ self assert:( -0.5 asShortFloat truncated = 0 ).
+ self assert:( -0.6 asShortFloat truncated = 0 ).
+
+ self assert:( 0.4 asShortFloat truncatedAsFloat ) class == ShortFloat.
+ self assert:( 0.4 asShortFloat truncatedAsFloat = 0.0 ).
+ self assert:( 0.5 asShortFloat truncatedAsFloat = 0.0 ).
+ self assert:( 0.6 asShortFloat truncatedAsFloat = 0.0 ).
+ self assert:( -0.4 asShortFloat truncatedAsFloat = 0 ).
+ self assert:( -0.5 asShortFloat truncatedAsFloat = 0.0 ).
+ self assert:( -0.6 asShortFloat truncatedAsFloat = 0.0 ).
+
+ self assert:( 0.4 asLargeFloat truncated ) class == SmallInteger.
+ self assert:( 0.4 asLargeFloat truncated = 0 ).
+ self assert:( 0.5 asLargeFloat truncated = 0 ).
+ self assert:( 0.6 asLargeFloat truncated = 0 ).
+ self assert:( -0.4 asLargeFloat truncated = 0 ).
+ self assert:( -0.5 asLargeFloat truncated = 0 ).
+ self assert:( -0.6 asLargeFloat truncated = 0 ).
+
+ self assert:( 0.4 asLargeFloat truncatedAsFloat ) class == LargeFloat.
+ self assert:( 0.4 asLargeFloat truncatedAsFloat = 0.0 ).
+ self assert:( 0.5 asLargeFloat truncatedAsFloat = 0.0 ).
+ self assert:( 0.6 asLargeFloat truncatedAsFloat = 0.0 ).
+ self assert:( -0.4 asLargeFloat truncatedAsFloat = 0 ).
+ self assert:( -0.5 asLargeFloat truncatedAsFloat = 0.0 ).
+ self assert:( -0.6 asLargeFloat truncatedAsFloat = 0.0 ).
+
+ "
+ self basicNew test07_Truncation
+ "
+!
+
+test08_Representation
+"/ self assert:( 0.0 asLargeFloat exponent = 0 ).
+"/ self assert:( 1.0 asLargeFloat exponent = 0 "1" ).
+"/ self assert:( 2.0 asLargeFloat exponent = 1 "2" ).
+"/ self assert:( 3.0 asLargeFloat exponent = 2 ).
+"/ self assert:( 4.0 asLargeFloat exponent = 3 ).
+"/ self assert:( 0.5 asLargeFloat exponent = 0 ).
+"/ self assert:( 0.4 asLargeFloat exponent = -1 ).
+"/ self assert:( 0.25 asLargeFloat exponent = -1 ).
+"/ self assert:( 0.125 asLargeFloat exponent = -2 ).
+"/ self assert:( 0.00000011111 asLargeFloat exponent = -23 ).
+
+ "
+ self basicNew test08_Representation
+ "
+!
+
+test09_Testing
+ self assert:( 0.0 asLargeFloat isZero ).
+ self assert:( 1.0 asLargeFloat isZero not ).
+
+ self assert:( 0.0 asLargeFloat negative not ).
+ self assert:( 1.0 asLargeFloat negative not ).
+ self assert:( -1.0 asLargeFloat negative ).
+
+ self assert:( 0.0 asLargeFloat positive ).
+ self assert:( 1.0 asLargeFloat positive ).
+ self assert:( -1.0 asLargeFloat positive not ).
+
+ self assert:( 0.0 asLargeFloat strictlyPositive not ).
+ self assert:( 1.0 asLargeFloat strictlyPositive ).
+ self assert:( -1.0 asLargeFloat strictlyPositive not ).
+
+ self assert:( 0.0 asLargeFloat sign == 0 ).
+ self assert:( 1.0 asLargeFloat sign == 1 ).
+ self assert:( -1.0 asLargeFloat sign == -1 ).
+
+ "
+ self basicNew test09_Testing
+ "
+! !
+
+!LargeFloatTest class methodsFor:'documentation'!
+
+version
+ ^ '$Header$'
+! !
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RegressionTests__MetaNumbersTest.st Sat Jun 21 12:02:34 2003 +0200
@@ -0,0 +1,194 @@
+"{ Package: 'exept:regression' }"
+
+"{ NameSpace: RegressionTests }"
+
+TestCase subclass:#MetaNumbersTest
+ instanceVariableNames:''
+ classVariableNames:''
+ poolDictionaries:''
+ category:'tests-Regression'
+!
+
+
+!MetaNumbersTest methodsFor:'tests'!
+
+test01_Nan
+ "NaN in all avaliable formats."
+
+ |check|
+
+ check := [:nan |
+ self assert:( nan isNaN ).
+ self assert:( nan isFinite not ).
+
+ nan isLimitedPrecisionReal ifTrue:[
+ self assert:( nan asFloat isNaN ).
+ self assert:( nan asLargeFloat isNaN ).
+ self assert:( nan asShortFloat isNaN ).
+ self assert:( nan asLongFloat isNaN ).
+ ].
+
+ "/ self assert:( nan asFraction isNaN ).
+ "/ self assert:( nan asInteger isNaN ).
+ self should:[ nan asFraction ] raise:DomainError.
+ self should:[ nan asInteger ] raise:DomainError.
+
+ self assert:( nan + 1 ) isNaN.
+ self assert:( nan + 1.0 ) isNaN.
+ self assert:( nan + 1.0 asShortFloat ) isNaN.
+ self assert:( nan + 1.0 asLongFloat ) isNaN.
+ self assert:( nan + 1.0 asLargeFloat ) isNaN.
+
+ self assert:( 1 + nan ) isNaN.
+ self assert:( 1.0 + nan ) isNaN.
+ self assert:( 1.0 asShortFloat + nan ) isNaN.
+ self assert:( 1.0 asLongFloat + nan ) isNaN.
+ self assert:( 1.0 asLargeFloat + nan ) isNaN.
+
+ self assert:( nan - 1 ) isNaN.
+ self assert:( nan - 1.0 ) isNaN.
+ self assert:( nan - 1.0 asShortFloat ) isNaN.
+ self assert:( nan - 1.0 asLongFloat ) isNaN.
+ self assert:( nan - 1.0 asLargeFloat ) isNaN.
+
+ self assert:( 1 - nan ) isNaN.
+ self assert:( 1.0 - nan ) isNaN.
+ self assert:( 1.0 asShortFloat - nan ) isNaN.
+ self assert:( 1.0 asLongFloat - nan ) isNaN.
+ self assert:( 1.0 asLargeFloat - nan ) isNaN.
+
+ self assert:( nan * 1 ) isNaN.
+ self assert:( nan * 1.0 ) isNaN.
+ self assert:( nan * 1.0 asShortFloat ) isNaN.
+ self assert:( nan * 1.0 asLongFloat ) isNaN.
+ self assert:( nan * 1.0 asLargeFloat ) isNaN.
+
+ self assert:( 1 * nan ) isNaN.
+ self assert:( 1.0 * nan ) isNaN.
+ self assert:( 1.0 asShortFloat * nan ) isNaN.
+ self assert:( 1.0 asLongFloat * nan ) isNaN.
+ self assert:( 1.0 asLargeFloat * nan ) isNaN.
+
+ self assert:( nan / 1 ) isNaN.
+ self assert:( nan / 1.0 ) isNaN.
+ self assert:( nan / 1.0 asShortFloat ) isNaN.
+ self assert:( nan / 1.0 asLongFloat ) isNaN.
+ self assert:( nan / 1.0 asLargeFloat ) isNaN.
+
+ self assert:( 1 / nan ) isNaN.
+ self assert:( 1.0 / nan ) isNaN.
+ self assert:( 1.0 asShortFloat / nan ) isNaN.
+ self assert:( 1.0 asLongFloat / nan ) isNaN.
+ self assert:( 1.0 asLargeFloat / nan ) isNaN.
+ ].
+
+ check value:(0.0 uncheckedDivide: 0.0).
+ check value:(0.0 asShortFloat uncheckedDivide: 0.0).
+ check value:(0.0 asLongFloat uncheckedDivide: 0.0).
+ check value:(0.0 asLargeFloat uncheckedDivide: 0.0).
+ check value:(0 uncheckedDivide: 0).
+
+ "
+ self basicNew test01_Nan
+ "
+!
+
+test02_Inf
+ "Infinity in all avaliable formats."
+
+ |check posInf negInf|
+
+ check :=
+ [:v1 :v2 |
+
+ posInf := v1 uncheckedDivide: v2.
+ negInf := v1 negated uncheckedDivide: v2.
+
+ v1 isLimitedPrecisionReal ifTrue:[
+ self assert:( posInf isMemberOf:v1 class ).
+ self assert:( negInf isMemberOf:v1 class ).
+ ].
+ self assert:( posInf isNaN not ).
+ self assert:( posInf isFinite not ).
+ self assert:( posInf isInfinite ).
+ self assert:( posInf positive ).
+ self assert:( posInf negative not ).
+ self assert:( posInf isNegativeInfinity not).
+ self assert:( posInf isPositiveInfinity ).
+
+ self assert:( negInf isNaN not ).
+ self assert:( negInf isFinite not ).
+ self assert:( negInf isInfinite ).
+ self assert:( negInf positive not).
+ self assert:( negInf negative ).
+ self assert:( negInf isNegativeInfinity ).
+ self assert:( negInf isPositiveInfinity not ).
+
+ self assert:( negInf + negInf = negInf).
+ self assert:( posInf + posInf = posInf).
+ "/ self assert:( negInf + posInf) isNaN.
+ self assert:( Number undefinedResultSignal ignoreIn:[ negInf + posInf]) isNaN.
+ "/ self should:[ negInf + posInf ] raise:Number undefinedResultSignal.
+ self assert:( Number undefinedResultSignal ignoreIn:[ posInf + negInf]) isNaN.
+
+ self assert:( negInf - posInf = negInf).
+ self assert:( Number undefinedResultSignal ignoreIn:[ negInf - negInf]) isNaN.
+ self assert:( posInf - negInf = posInf).
+ self assert:( Number undefinedResultSignal ignoreIn:[ posInf - posInf]) isNaN.
+
+ self assert:( posInf + v1) = posInf.
+ self assert:( posInf - v1) = posInf.
+ self assert:( negInf + v1) = negInf.
+ self assert:( negInf - v1) = negInf.
+
+ self assert:( posInf + 1) = posInf.
+ self assert:( posInf + 1.0) = posInf.
+ self assert:( posInf + 1.0 asShortFloat) = posInf.
+ self assert:( posInf + 1.0 asLongFloat) = posInf.
+ self assert:( posInf + 1.0 asLargeFloat) = posInf.
+ self assert:( posInf + (1/2)) = posInf.
+ self assert:( posInf + 100 factorial) = posInf.
+
+ self assert:( negInf + 1) = negInf.
+ self assert:( negInf + 1.0) = negInf.
+ self assert:( negInf + 1.0 asShortFloat) = negInf.
+ self assert:( negInf + 1.0 asLongFloat) = negInf.
+ self assert:( negInf + 1.0 asLargeFloat) = negInf.
+ self assert:( negInf + (1/2)) = negInf.
+ self assert:( negInf + 100 factorial) = negInf.
+
+ self assert:( 1 + posInf) = posInf.
+ self assert:( 1.0 + posInf) = posInf.
+ self assert:( 1.0 asShortFloat + posInf) = posInf.
+ self assert:( 1.0 asLongFloat + posInf) = posInf.
+ self assert:( 1.0 asLargeFloat + posInf) = posInf.
+ self assert:( (1/2) + posInf) = posInf.
+ self assert:( 100 factorial + posInf) = posInf.
+
+ self assert:( 1 + negInf) = negInf.
+ self assert:( 1.0 + negInf) = negInf.
+ self assert:( 1.0 asShortFloat + negInf) = negInf.
+ self assert:( 1.0 asLongFloat + negInf) = negInf.
+ self assert:( 1.0 asLargeFloat + negInf) = negInf.
+ self assert:( (1/2) + negInf) = negInf.
+ self assert:( 100 factorial + negInf) = negInf.
+
+ ].
+
+ check value: 1.0 value: 0.0.
+ check value: 1.0 asShortFloat value: 0.0 asShortFloat.
+ check value: 1.0 asLongFloat value: 0.0 asLongFloat.
+ check value: 1.0 asLargeFloat value: 0.0 asLargeFloat.
+
+ check value: 1 value: 0.
+
+ "
+ self basicNew test02_Inf
+ "
+! !
+
+!MetaNumbersTest class methodsFor:'documentation'!
+
+version
+ ^ '$Header$'
+! !