Hello Oren,
I wonder how the method is called which enables me to directly set the=20
String value of a DoubleField. Does version 1.6.0 include this method=20
also for the Java API?
Thanks, J=F6rg
> A method like this already exists in the C++ API, it just needs to be=20
> wrapped in Java so you can access it. In the meantime can't you do=20
> something like this:
> =20
> BigDecimal number =3D new BigDecimal(=20
> Double.toString(doubleField.getValue()) );
>=20
> Or do you still get a rounding error that way?
>=20
> */Joerg Thoennes <Joe...@ma...>/* wrote:
>=20
> Hi all,
>=20
> we got a problem with the conversion of double fields to Java
> BigDecimal. We actually use
> the BigDecimal class to represent values with fractional parts to
> avoid nasty rounding problems
> with floating point values.
>=20
> But to convert a QF java DoubleField into a BigDecimal I have to do
> the following:
>=20
> BigDecimal number =3D new BigDecimal( doubleField.getValue() );
>=20
> Using this procedure, we get for e.g.
>=20
> 100.22 the BigDecimal value
> 100.219999999999998863131622783839702606201171875
>=20
> which leads to errors at the exchange (invalid PRICE_STEP). A
> workaround would be to use
> rounding.
>=20
> I would prefer to have a way to get the underlying String
> representation of the DoubleField to
> hand it over to BigDecimal:
>=20
> BigDecimal number =3D new BigDecimal( doubleField.getStringValue() =
);
>=20
> This method should be in the Field base class and be available for
> all data types.
> I think the same would be also make sense for the C++ and the other
> APIs.
>=20
> Cheers, J=F6rg
>=20
> --=20
> Joerg Thoennes
> http://macd.com
> Tel.: +49 (0)241 44597-24 Macdonald Associates GmbH
> Fax : +49 (0)241 44597-10 LLothringer Str. 52, D-52070 Aachen
>=20
>=20
>=20
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>=20
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>=20
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--=20
Joerg Thoennes
http://macd.com
Tel.: +49 (0)241 44597-24 Macdonald Associates GmbH
Fax : +49 (0)241 44597-10 Lothringer Str. 52, D-52070 Aachen
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