BigDecimal fixlets

[Mark Wielaard]

Hi,

The following fixed all remaining BigDecimal failures in Mauve. The
divide() fixlet makes sure that the scale is set even in the special
case of a ZERO result. (Fixes ssc005 and ssc006.) The String constructor
fixlet implements the pedantic reading of the spec where a zero
significant can be interpreted specially in the sentence: "in every
case, the resulting BigDecimal is equal to significand × 10^exponent".
(Fixes div376, mul038 and sca007.) Note that those last three do fail in
the Blackdown-1.4.1-beta which I tested against. So the test might be a
bit to pedantic, but Sun is known for not always following their own
spec when it comes to parsing/decoding numeric types.

2003-02-14  Mark Wielaard  <mark@klomp.org>

        * java/math/BigDecimal.java (BigDecimal(String)): Always set scale to
        zero when there is an exponent and the significant is zero.
        (divide): Always set scale to newScale even in special ZERO case.

OK for mainline and branch?

Cheers,

Mark
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