Probably more of a java question, but I'm finding that floating point
formats with (format) are inflating data sizes enormously with meaningless
trailing zeros, because the underlying java conversion methods don't work
as they do on other platforms.
E.g., in C
printf("%.6g %.6g %.6g %.6g\n", 0.000001, 100.00001, 100000.0, 1000000.0)
gives
1e-06 100 100000 1e+06
in python:
>>> "%.6g %.6g %.6g %.6g" % (0.000001, 100.00001, 100000.0, 1000000.0)
'1e-06 100 100000 1e+06'
while clojure will produce this:
> (format "%.6g %.6g %.6g %.6g" 0.000001, 100.00001, 100000.0, 1000000.0)
"1.00000e-06 100.000 100000 1.00000e+06"
The desired behavior is to set the max significant digits & get the minimal
decimal representation. I've been through docs for Formatter, NumberFormat,
and others, but can't find anything that both 1) supports setting
significant digits (vs. fractional digits), and 2) doesn't pad meaningless
zeros on the end.
Is there a standard solution?
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