Class: LongMath::CacheKey

Inherits:
Struct
  • Object
show all
Includes:
Comparable
Defined in:
lib/long-decimal.rb,
lib/long-decimal.rb

Overview

used as key to store an already calculated value for any triplet of function name (fname), argument (arg, typically 2, 3, 5, 10 or so) and internal rounding mode (mode)

Instance Method Summary collapse

Instance Method Details

#<=>(o) ⇒ Object

introduce some ordering for cache keys



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# File 'lib/long-decimal.rb', line 2613

def <=>(o)
  r = 0
  if o.respond_to?:fname
    r = self.fname <=> o.fname
  else
    r = self.fname <=> o
  end
  return r if (r != 0)
  if o.respond_to?:arg
    r = self.arg <=> o.arg
  else
    r = self.arg <=> o
  end
  return r if (r != 0)
  if o.respond_to?:mode
    r = self.mode <=> o.mode
  else
    r = self.mode <=> o
  end
  return r
end