[ruby-core:25765] [Bug #2129] Rational can't be coerced into BigDecimal (TypeError)

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Issue #2129 has been updated by tadayoshi funaba.


BigDecimal can represent Infinity and NaN.

main@192-20090925> Rational(1,3) * BigDecimal('NaN')
TypeError: BigDecimal can't be coerced into Rational

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http://redmine.ruby-lang.org/issues/show/2129

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