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2012-04-30add C stub for sqrtl (already implemented in asm on i386 and x86_64)Rich Felker1-0/+9
2012-04-30first try at writing an efficient and "correct" exp10•••this is a nonstandard function so it's not clear what conditions it should satisfy. my intent is that it be fast and exact for positive integral exponents when the result fits in the destination type, and fast and correctly rounded for small negative integral exponents. otherwise we aim for at most 1ulp error; it seems to differ from pow by at most 1ulp and it's often 2-5 times faster than pow. Rich Felker4-0/+59