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authorMichael Sevakis <jethead71@rockbox.org>2018-01-06 07:17:04 -0500
committerFranklin Wei <git@fwei.tk>2019-07-19 22:07:41 -0400
commitb70fecf21ddc21877ec1ae7888d9c18a979e37ad (patch)
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Add proper float formatting to vuprintf
Wanted to see how gnarly it is to do. Big number handling could be done with better algorithms since it can get a bit slow with large integers or tiny fractions with many lead zeros when only a few digits are needed. Anyway, it supports %e, %E, %f, %F, %g and %G. No %a or long double support seems warranted at the moment. Assumes IEEE 754 double format but it's laid out to be able to replace a function to handle others if needed. Tested in a driver program that has a duplicate vuprintf and the content was pasted in once it looked sound enough to put up a patch. Change-Id: I6dae8624d3208e644c88e36e6a17d8fc9144f988
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