method
to_d
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v1_9_3_125 -
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Class: Rational
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
- 1_9_1_378 (0)
- 1_9_2_180 (0)
- 1_9_3_125 (38)
- 1_9_3_392 (0)
- 2_1_10 (-5)
- 2_2_9 (0)
- 2_4_6 (-11)
- 2_5_5 (0)
- 2_6_3 (0)
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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)>