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| author | Marcus Brinkmann <[email protected]> | 2017-07-06 11:52:24 +0000 |
|---|---|---|
| committer | Marcus Brinkmann <[email protected]> | 2017-07-10 16:09:42 +0000 |
| commit | d24594976686983c7186cbe4e78153888a13b6e4 (patch) | |
| tree | 12d3e6bbcf3ec1f1a2436d1ad0aa4fded4a48ce1 /dirmngr/server.c | |
| parent | speedo: Provide a vagrantfile to test speedo in an isolated VM. (diff) | |
| download | gnupg-d24594976686983c7186cbe4e78153888a13b6e4.tar.gz gnupg-d24594976686983c7186cbe4e78153888a13b6e4.zip | |
tofu: Compare squares instead of square roots.
* g10/Makefile.am (tofu_source) [USE_TOFU]: Remove sqrtu32.h and
sqrtu32.c.
* g10/sqrtu32.h, g10/sqrtu32.c: Removed files.
* g10/tofu.c: Compare squares instead of square roots.
--
The original code is a factor 11.5 slower than using libm's sqrt(),
which in turn is a factor 3.5 slower than using one multiplication
on the other side of the comparison. Also, it's much simpler now.
Signed-off-by: Marcus Brinkmann <[email protected]>
Diffstat (limited to '')
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