Class: Float

Inherits:
Numeric show all
Defined in:
lib/numrepr/format.rb

Instance Method Summary collapse

Methods inherited from Numeric

#make_digits, #to_decimal, #to_money, #to_percent

Instance Method Details

#sign ⇒ Object

There seems to be no legal way to retrieve the negative sign of -0.0. If you really need it, convert the number to BigDecimal.

-0.0.to_f.to_d.sign  #=> -1


284
 
# File 'lib/numrepr/format.rb', line 284

def sign ; super ; end

#split ⇒ Object

analogous to BigDecimal#split



287
288
289
290
291
292
293
294
295
296
297
298
 
# File 'lib/numrepr/format.rb', line 287

def split
  m, e = abs.to_s.split /e/i
  e = e.to_i
  d, f = m.split "."
  d.lstrip! "0" rescue d.slice! /\A0+/  # before Ruby 4.0
  e += d.count "0-9"
  if f then
    f.rstrip! "0" rescue f.slice! /0+\z/  # before Ruby 4.0
    d << f
  end
  [ (negative? ? -1 : 1), d, 10, e]
end