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Epictetus/gist:2468734

Forked from shu0115/gist:2404985
Created April 23, 2012 03:53
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BigDecimal／to_d - float演算
Raw
gistfile1.txt
◆例
[ 0.001 * 100 ] : 0.1
[ 0.58 * 100 ] : 57.99999999999999
[ 0.58.to_d * 100 ] : #<BigDecimal:1017f2f68,'0.58E2',9(36)>
[ 0.58.class.name ] : "Float"
[ 0.58.to_d.class.name ] : "BigDecimal"
[ (0.58.to_d * 100).to_i ] : 58
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