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On Mon, 2009-12-14 at 13:25 -0430, Luis Rodriguez wrote:
Just curious, Would you care to elaborate on that conversion method?
Well, assume that mm, dd, and yy are pairs of decimal digits and you
have a field with value mmddyy. Multiplication by 10000.01 gives you,
writing it out as what we used to call "long multiplication" ...
ï mmddyy
x 10000.01
-------------
mmddyy0000
mmdd.yy
ï -------------
mmddyymmdd.yy
=============
Truncate product at both ends into a 6-digit field, and you have
yymmdd.
This clever-ugly trick lets you do the conversion in one line. Back on
S/34 and S/36, I often deemed the economy of lines worth the
clever-ugliness. My memory is fading: I cannot remember what method
produced the smallest object code on S/32.
To convert the other direction, use a multiplier of 100.0001. Except,
please, please don't <grin />.
Cheers,
Terry.
midrange.com
