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#ScalarArithmetic Build Status

Why?

  • Because I don't need explicit casts to Double if I am expecting a Double.
  • 5 + 5.0 should return a Double
//You can now compare or do mathematical operations between the following types: 
    var doubleValue:Double      = 5.0
    var cgFloatValue:CGFloat    = 5.0
    var intValue:Int            = 5
    var int16Value:Int16        = 5
    var int32Value:Int32        = 5
    var int64Value:Int64        = 5
    var uInt16Value:UInt16      = 5
    var uInt32Value:UInt32      = 5
    var uInt64Value:UInt64      = 5

To see what is fully possible. Run the test suite, then comment out ScalarArithmetic and try to run the test suite again.

Overview

Takes care of operators for interacting between different types of scalars. This library makes it easier to compare to Int, Float and CGFloat regardless of architecture.

This also makes implicit casts to Double or CGFloat for arguments or variables that takes either types.

var myDouble = 2.0 will give you a Double and you'd want to use that with other types.

Works on both Mac OS and iOS.

Math Functions

protocol FloatingPointMathType {
  var acos:Self  {get}
  var asin:Self  {get}
  var atan:Self  {get}
  func atan2(x:Self) -> Self
  var cos:Self   {get}
  var sin:Self   {get}
  var tan:Self   {get}
  var exp:Self   {get}
  var exp2:Self  {get}
  var log:Self   {get}
  var log10:Self {get}
  var log2:Self  {get}
  func pow(exponent:Self) -> Self
  var sqrt:Self  {get}
}

Sample

    cgFloatValue = doubleValue

    doubleValue = intValue
    doubleValue = cgFloatValue
    
    doubleValue = doubleValue + intValue
    doubleValue = doubleValue + cgFloatValue
    doubleValue = doubleValue + floatValue

    doubleValue = intValue + doubleValue
    doubleValue = cgFloatValue + doubleValue
    doubleValue = floatValue + doubleValue


    doubleValue = intValue + cgFloatValue
    doubleValue = intValue + floatValue
    doubleValue = floatValue + cgFloatValue
    doubleValue = floatValue + intValue
    doubleValue = cgFloatValue + floatValue
    doubleValue = cgFloatValue + intValue
    
    doubleValue += intValue
    doubleValue += cgFloatValue
    doubleValue += floatValue

    /////////////////////

    cgFloatValue = cgFloatValue + doubleValue
    cgFloatValue = cgFloatValue + intValue
    cgFloatValue = cgFloatValue + floatValue


    cgFloatValue = doubleValue + cgFloatValue
    cgFloatValue = intValue + cgFloatValue
    cgFloatValue = floatValue + cgFloatValue

    cgFloatValue = intValue + doubleValue
    cgFloatValue = intValue + floatValue
    cgFloatValue = floatValue + doubleValue
    cgFloatValue = floatValue + intValue
    cgFloatValue = doubleValue + floatValue
    cgFloatValue = doubleValue + intValue

    
    cgFloatValue += doubleValue
    cgFloatValue += intValue
    cgFloatValue += floatValue
    
    
/////////////////////
    
    doubleValue == doubleValue
    doubleValue == cgFloatValue
    doubleValue == intValue
    
    cgFloatValue == doubleValue
    cgFloatValue == intValue
    intValue == doubleValue
    intValue == cgFloatValue


    doubleValue != doubleValue
    doubleValue != cgFloatValue
    doubleValue != intValue
    
    cgFloatValue != doubleValue
    cgFloatValue != intValue
    intValue != doubleValue
    intValue != cgFloatValue

    
    doubleValue >= doubleValue
    doubleValue >= cgFloatValue
    doubleValue >= intValue
    
    cgFloatValue >= doubleValue
    cgFloatValue >= intValue
    intValue >= doubleValue
    intValue >= cgFloatValue

    doubleValue > doubleValue
    doubleValue > cgFloatValue
    doubleValue > intValue
    
    cgFloatValue > doubleValue
    cgFloatValue > intValue
    intValue > doubleValue
    intValue > cgFloatValue

    
    doubleValue <= doubleValue
    doubleValue <= cgFloatValue
    doubleValue <= intValue
    
    cgFloatValue <= doubleValue
    cgFloatValue <= intValue
    intValue <= doubleValue
    intValue <= cgFloatValue

    
    doubleValue < doubleValue
    doubleValue < cgFloatValue
    doubleValue < intValue
    
    cgFloatValue < doubleValue
    cgFloatValue < intValue
    intValue < doubleValue
    intValue < cgFloatValue

    doubleValue = doubleValue + int16Value
    doubleValue = doubleValue + int32Value
    doubleValue = doubleValue + int64Value
    
    doubleValue = doubleValue + uInt16Value
    doubleValue = doubleValue + uInt32Value
    doubleValue = doubleValue + uInt64Value

    cgFloatValue = cgFloatValue + int16Value
    cgFloatValue = cgFloatValue + int32Value
    cgFloatValue = cgFloatValue + int64Value

    cgFloatValue = cgFloatValue + uInt16Value
    cgFloatValue = cgFloatValue + uInt32Value
    cgFloatValue = cgFloatValue + uInt64Value

###Contact

If you end up using ScalarArithmetic in a project, I'd love to hear about it.

email: seivan.heidari@icloud.com
twitter: @seivanheidari


License

ScalarArithmetic is © 2014 Seivan and may be freely distributed under the MIT license. See the LICENSE.md file.


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Better interoperability between different numerical types by using operator overloading and implicit casts conversions

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