|author||Rich Felker <email@example.com>||2012-04-11 14:11:47 -0400|
|committer||Rich Felker <firstname.lastname@example.org>||2012-04-11 14:11:47 -0400|
optimize floatscan: avoid excessive upscaling
upscaling by even one step too much creates 3-29 extra iterations for the next loop. this is still suboptimal since it always goes by 2^29 rather than using a smaller upscale factor when nearing the target, but performance on common, small-magnitude, few-digit values has already more than doubled with this change. more optimizations on the way...
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