>>>>> "Z" == Zefram <[email protected]> writes:
Z> On amd64, powl() is generating inaccurate results when called at runtime, Z> but if a call to it gets constant-folded at compile time (by gcc 4.7) Z> then the constant-folded result is much more accurate. AIUI, gcc uses multi-precision arith for constant folding, so that it can generate accurate results even when cross-compiling. The difference you show is likely libm vs mpfr. -JimC -- James Cloos <[email protected]> OpenPGP: 1024D/ED7DAEA6 -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
