Class: Approximately::DeltaFloat

Inherits:
Struct
  • Object
show all
Includes:
Comparable
Defined in:
lib/approximately.rb

Overview

This object can be used for float comparisons. When it is instantiaded with a float and a delta it will respond to <=>(another_float) and will return equality if the float it’s being compared to is within the delta

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#delta ⇒ Object

Returns the value of attribute delta

Returns:

  • (Object) —

    the current value of delta



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# File 'lib/approximately.rb', line 10

def delta
  @delta
end

#float ⇒ Object

Returns the value of attribute float

Returns:

  • (Object) —

    the current value of float



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# File 'lib/approximately.rb', line 10

def float
  @float
end

Instance Method Details

#<=>(another) ⇒ Object 



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# File 'lib/approximately.rb', line 17

def <=>(another)
  d = (to_f - another.to_f).abs
  return 0 if d < delta
  float <=> another.to_f
end

#inspect ⇒ Object 



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# File 'lib/approximately.rb', line 23

def inspect
  "~%0.8f" % to_f
end

#to_f ⇒ Object 



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# File 'lib/approximately.rb', line 13

def to_f
  float.to_f
end

#to_s ⇒ Object 



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# File 'lib/approximately.rb', line 27

def to_s
  inspect
end