Class: Eqn::Function::RoundBase

Inherits:
Treetop::Runtime::SyntaxNode
  • Object
show all
Defined in:
lib/eqn/function.rb

Direct Known Subclasses

Round, RoundDown, RoundUp

Instance Method Summary collapse

Instance Method Details

#value(fn) ⇒ Object

Raises:



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# File 'lib/eqn/function.rb', line 14

def value(fn)
  value = elements.shift.value
  raise ZeroDivisionError if value.is_a?(Float) && (value.abs == Float::INFINITY || value.nan?)
  if elements.empty?
    value.send(fn)
  else
    decimals = elements.shift.value
    (value * 10**decimals).send(fn).to_f / 10**decimals
  end
end