BigDecimal, division & MathContext - very strange behaviour
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by blackliteon
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Published on 2010-03-27T13:59:18Z
Indexed on
2010/03/27
14:03 UTC
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Hit count: 276
CentOs 5.4, OpenJDK Runtime Environment (build 1.6.0-b09)
MathContext context = new MathContext(2, RoundingMode.FLOOR);
BigDecimal total = new BigDecimal("200.0", context);
BigDecimal goodPrice = total.divide(BigDecimal.valueOf(3), 2, RoundingMode.FLOOR);
System.out.println("divided price=" + goodPrice.toPlainString());
// prints 66.66
BigDecimal goodPrice2 = total.divide(BigDecimal.valueOf(3), new MathContext(2, RoundingMode.FLOOR));
System.out.println("divided price2=" + goodPrice2.toPlainString());
// prints 66
BUG ?
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