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This patch fixes the numerical errors in aarch64 sqrt() due to the compilers use of fnmsub (negated fused multiply-subtract). Previous thread: https://sourceware.org/ml/libc-alpha/2013-12/msg00473.html I'll leave this on the list for 24 hours before committing to give folks the opportunity to comment on the (in)appropriateness of my solution... Cheers /Marcus
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