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Binary-Decimal conversion for extremely large integers
For my arbitrary precision library I need conversion
routines for unlimited integers. AFAIK you can't circumvent
the division by ten, so currently I am extracting the last
decimal digit, subtract it from the integer
and divide the integer by ten with the 1/10 = 51/512*256/255
add-shift method until all decimal digits have been parsed.
What is the current state of art with binary-decimal
conversion ? The Clinger, Gay, Steele & White papers are
more interested to convert IEEE numbers perfectly rounded
instead of the problem to convert integers as fast as
possible.
Best,
Thorsten