info/CWS mfdouble : NumericFormatter changes interface from long to sal_Int64

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          Type: info
         Title: NumericFormatter changes interface from long to sal_Int64
     Posted by: [email protected]
      Affected: all
Effective from: CWS mfdouble


*Summary*
--------
NumericFormatter, NumericField, MetricField change interface from long to sal_In64

*Description*
-------------
NumericFormatter and its derived classes currently have a long based
interface. On 32bit platforms this can lead easily to overflows since
NumericFormatter uses a precision that simply multiplies
10**(precision) to its value. With the current long based interface
this means that you cannot enter LONG_MAX while precision is greater
than 0. This is not normally a problem, but can lead to overflow
issues in the derived classes MetricFormatter and MetricField since
here a conversion to different units takes place which ahs to take
this precision factor into account. Changing the interface from long
to sal_Int64 will ease the pain of overflow issues a bit.

All occurences where this change led to a warning were changed to use
the old behaviour (that is usually a static_cast<long> was used)
unless there were obvious improvements possible, e.g. in cases where
GetValue, change value, SetValue took place.



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