tree 9cbf45f49791b89129e8b6a45a06e019a57f842e
parent 2ac0b787399df718dc61219145f44a6ae99813aa
author Rasmus Munk Larsen <rmlarsen@google.com> 1614038760 -0800
committer Rasmus Munk Larsen <rmlarsen@google.com> 1614121863 +0000

Accurate pow, part 2. This change adds specializations of log2 and exp2 for double that
make pow<double> accurate the 1 ULP. Speed for AVX-512 is within 0.5% of the currect
implementation.