Gus Wirth wrote:
James G. Sack (jim) wrote:
So, I wonder:
-what's the current state of the decimal floating point movement
IEEE 854, as always.
-and what's the prognosis for general availability & adoption?
Mixed.
Decimal floating point is specified legislatively for all financial
transactions. However, only IBM has a processor which does IEEE 854 in
hardware and it's for very specialized use.
Not sure what the current state is but I have suddenly found myself
having to implement BCD arithmetic. In an effort to replace some
proprietary code I have to independently come up with a way to do
functions with up to 64 digits of precision, with the BCD numbers being
packed into a byte array of two digits per byte and the array being 32
bytes.
Does this help Gus?
http://www.delphiforfun.org/Programs/Library/BigFloat.htm
Lots of Decimal Floating Point links:
http://www2.hursley.ibm.com/decimal/
You would probably be better off using a generalized decimal floating
point library and writing BCD conversion functions rather than having to
work out all of the math.
-a
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