method
to_d
ruby latest stable - Class:
Rational
to_d(precision)public
Returns the value as a BigDecimal.
The required precision parameter is used to determine the number of significant digits for the result.
require 'bigdecimal' require 'bigdecimal/util' Rational(22, 7).to_d(3) # => 0.314e1
See also BigDecimal::new.
