class Complex
Public Instance Methods
to_d → bigdecimal
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to_d(precision) → bigdecimal
Returns the value as a BigDecimal
.
The precision
parameter is required for a rational complex number. This parameter is used to determine the number of significant digits for the result.
require 'bigdecimal' require 'bigdecimal/util' Complex(0.1234567, 0).to_d(4) # => 0.1235e0 Complex(Rational(22, 7), 0).to_d(3) # => 0.314e1
See also Kernel.BigDecimal
.
# File bigdecimal/lib/bigdecimal/util.rb, line 157 def to_d(*args) BigDecimal(self) unless self.imag.zero? # to raise eerror if args.length == 0 case self.real when Rational BigDecimal(self.real) # to raise error end end self.real.to_d(*args) end