Flowdock
method

to_d

Importance_1
Ruby latest stable (v1_9_3_392) - 0 notes - Class: Rational
to_d(precision=0) public

Converts a Rational to a BigDecimal. Takes an optional parameter sig to limit the amount of significant digits. If a negative precision is given, raise ArgumentError. The zero precision and implicit precision is deprecated.

r = (22/7.0).to_r
# => (7077085128725065/2251799813685248)
r.to_d
# => #<BigDecimal:1a52bd8,'0.3142857142 8571427937 0154144999 105E1',45(63)>
r.to_d(3)
# => #<BigDecimal:1a44d08,'0.314E1',18(36)>
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