Created
April 17, 2012 09:53
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BigDecimal／to_d - float演算
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| ◆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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