/**
* write the field, note the code could easily be extracted and templated but then would get
* autoboxing and unable to optimise inlining
*
* @param encoder
* @param mapWriter
* @param value
*/
public double read(final FastFixDecodeBuilder encoder, final PresenceMapReader mapReader) {
final int exp = _exp.read(encoder);
if (exp != Constants.UNSET_INT) {
final long mant = _mant.read(encoder);
return _prevDecimal.set(exp, mant);
}
return Constants.UNSET_DOUBLE;
}
@Override
public boolean requiresPMap() {
return _exp.requiresPMap() || _mant.requiresPMap();
}
@Override
public void reset() {
_prevDecimal.set(_initExp, _initMant);
_exp.reset();
_mant.reset();
}
public double getInitValue(FastFixDecimal t) {
return t.set(_exp.getInitValue(), _mant.getInitValue());
}