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Number.bmx
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Number.bmx
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Rem
Copyright (c) 2009 Noel R. Cower
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
EndRem
SuperStrict
Import brl.Reflection
Public
Const DOUBLE_DELTA! = 4.94065645841247e-324!
Const FLOAT_DELTA# = 1.4e-45#
' Used mainly for comparing types
Const TYPE_INVALID:Int = -1
Const TYPE_BOOL:Int = 0
Const TYPE_BYTE:Int = 1
Const TYPE_SHORT:Int = 2
Const TYPE_INT:Int = 3
Const TYPE_LONG:Int = 4
Const TYPE_FLOAT:Int = 5
Const TYPE_DOUBLE:Int = 6
Function StringForNumberType$(t:Int) NoDebug
Global _names:String[] = ["Bool", "Byte", "Short", "Int", "Long", "Float", "Double"]
Try
Return _names[t]
Catch o:Object
Return "Invalid"
End Try
End Function
Global NumberTypeId:TTypeId = TTypeId.ForName("TNumber")
Type TNumber Abstract
Function ForDouble:TNumber(v!)
Return New TDouble.InitWithDouble(v)
End Function
Function ForFloat:TNumber(v#)
Return New TFloat.InitWithFloat(v)
End Function
Function ForByte:TNumber(v@)
Return New TByte.InitWithByte(v)
End Function
Function ForShort:TNumber(v@@)
Return New TShort.InitWithShort(v)
End Function
Function ForInt:TNumber(v%)
Return New TInt.InitWithInt(v)
End Function
Function ForLong:TNumber(v:Long)
Return New TLong.InitWithLong(v)
End Function
Function ForBool:TNumber(b:Int)
Return New TBool.InitWithBool(b)
End Function
Method DoubleValue!() Abstract
Method FloatValue#() Abstract
Method ByteValue@() Abstract
Method ShortValue@@() Abstract
Method IntValue%() Abstract
Method LongValue:Long() Abstract
Method BoolValue:Int() Abstract
Method ToString:String() Abstract
Method GetType:Int() Abstract
Method Compare:Int(other:Object)
Local n:TNumber = TNumber(other)
If n Then
Local _type:Int, t2:Int
_type = GetType()
t2 = GetType()
If _type = TYPE_INVALID Or t2 = TYPE_INVALID Then
Throw "Attempt to compare invalid number"
EndIf
If t2 > _type Then
_type = t2
EndIf
Select _type
Case TYPE_BOOL
Local b1%, b2%
b1 = n.BoolValue()
b2 = n.BoolValue()
If b1 = b2 Then
Return 0
ElseIf b1 Then
Return 1
EndIf
Return -1
Case TYPE_DOUBLE
Local d! = DoubleValue()-n.DoubleValue()
If d < -DOUBLE_DELTA Then
Return -1
ElseIf d > DOUBLE_DELTA then
Return 1
EndIf
Return 0
Case TYPE_FLOAT
Local f! = FloatValue()-n.FloatValue()
If f < -FLOAT_DELTA Then
Return -1
ElseIf f > FLOAT_DELTA then
Return 1
EndIf
Return 0
Case TYPE_LONG
Local l1:Long, l2:Long
l1 = LongValue()
l2 = n.LongValue()
If l1 = l2 Then
Return 0
ElseIf l1 < l2 Then
Return -1
EndIf
Return 1
Default ' int and under
Local i1%, i2%
i1 = IntValue()
i2 = n.IntValue()
If i1 = i2 Then
Return 0
ElseIf i1 < i2 Then
Return -1
EndIf
Return 1
End Select
EndIf
Return Super.Compare(other)
End Method
End Type
Private
Type TDouble Extends TNumber
Field _value:Double
Method InitWithDouble:TDouble(v!)
_value = v
Return Self
End Method
Method DoubleValue!()
Return _value
End Method
Method FloatValue#()
Return Float(_value)
End Method
Method ByteValue@()
Return Byte(_value)
End Method
Method ShortValue@@()
Return Short(_value)
End Method
Method IntValue%()
Return Int(_value)
End Method
Method LongValue:Long()
Return Long(_value)
End Method
Method BoolValue:Int()
Return Int(_value)>0
End Method
Method GetType:Int()
Return TYPE_DOUBLE
End Method
Method ToString:String()
Return String(_value)
End Method
End Type
Type TFloat Extends TNumber
Field _value:Float
Method InitWithFloat:TFloat(v#)
_value = v
Return Self
End Method
Method DoubleValue!()
Return Double(_value)
End Method
Method FloatValue#()
Return Float(_value)
End Method
Method ByteValue@()
Return Byte(_value)
End Method
Method ShortValue@@()
Return Short(_value)
End Method
Method IntValue%()
Return Int(_value)
End Method
Method LongValue:Long()
Return Long(_value)
End Method
Method BoolValue:Int()
Return Int(_value)>0
End Method
Method GetType:Int()
Return TYPE_FLOAT
End Method
Method ToString:String()
Return String(_value)
End Method
End Type
Type TInt Extends TNumber
Field _value:Int
Method InitWithInt:TInt(v:Int)
_value = v
Return Self
End Method
Method DoubleValue!()
Return Double(_value)
End Method
Method FloatValue#()
Return Float(_value)
End Method
Method ByteValue@()
Return Byte(_value)
End Method
Method ShortValue@@()
Return Short(_value)
End Method
Method IntValue%()
Return _value
End Method
Method LongValue:Long()
Return Long(_value)
End Method
Method BoolValue:Int()
Return _value>0
End Method
Method GetType:Int()
Return TYPE_INT
End Method
Method ToString:String()
Return String(_value)
End Method
End Type
Type TShort Extends TNumber
Field _value:Short
Method InitWithShort:TShort(v:Short)
_value = v
Return Self
End Method
Method DoubleValue!()
Return Double(_value)
End Method
Method FloatValue#()
Return Float(_value)
End Method
Method ByteValue@()
Return Byte(_value)
End Method
Method ShortValue@@()
Return _value
End Method
Method IntValue%()
Return Int(_value)
End Method
Method LongValue:Long()
Return Long(_value)
End Method
Method BoolValue:Int()
Return _value>0
End Method
Method GetType:Int()
Return TYPE_SHORT
End Method
Method ToString:String()
Return String(_value)
End Method
End Type
Type TByte Extends TNumber
Field _value:Byte
Method InitWithByte:TByte(v:Byte)
_value = v
Return Self
End Method
Method DoubleValue!()
Return Double(_value)
End Method
Method FloatValue#()
Return Float(_value)
End Method
Method ByteValue@()
Return _value
End Method
Method ShortValue@@()
Return Short(_value)
End Method
Method IntValue%()
Return Int(_value)
End Method
Method LongValue:Long()
Return Long(_value)
End Method
Method BoolValue:Int()
Return _value>0
End Method
Method GetType:Int()
Return TYPE_BYTE
End Method
Method ToString:String()
Return String(_value)
End Method
End Type
Type TLong Extends TNumber
Field _value:Long
Method InitWithLong:TLong(v:Long)
_value = v
Return Self
End Method
Method DoubleValue!()
Return Double(_value)
End Method
Method FloatValue#()
Return Float(_value)
End Method
Method ByteValue@()
Return Byte(_value)
End Method
Method ShortValue@@()
Return Short(_value)
End Method
Method IntValue%()
Return Int(_value)
End Method
Method LongValue:Long()
Return _value
End Method
Method BoolValue:Int()
Return _value>0
End Method
Method GetType:Int()
Return TYPE_LONG
End Method
Method ToString:String()
Return String(_value)
End Method
End Type
Type TBool Extends TNumber
Field _value:Int
Method InitWithBool:TBool(v:Int)
_value = v>0
Return Self
End Method
Method DoubleValue!()
Return Double(_value)
End Method
Method FloatValue#()
Return Float(_value)
End Method
Method ByteValue@()
Return Byte(_value)
End Method
Method ShortValue@@()
Return Short(_value)
End Method
Method IntValue%()
Return _value
End Method
Method LongValue:Long()
Return Long(_value)
End Method
Method BoolValue:Int()
Return _value
End Method
Method ToString:String()
Return String(_value)
End Method
Method GetType:Int()
Return TYPE_BOOL
End Method
End Type