| commit | 1a79237df2fc1020ccce8528ed54977681302752 | [log] [tgz] |
|---|---|---|
| author | Pierre Blanchard <pierre.blanchard@arm.com> | Thu Oct 29 15:50:19 2020 +0000 |
| committer | Szabolcs Nagy <szabolcs.nagy@arm.com> | Thu Oct 29 16:36:28 2020 +0000 |
| tree | ecc2bbb51711e7cd12e36658e9f3c47d401b8139 | |
| parent | 0f4ae0c5b561de25acb10130fd5e473ec038f89d [diff] |
math: add scalar erff. In round-to-nearest mode the maximum error is 1.09 ULP. Compared to glibc-2.28 erff: throughput is about 2.2x better, latency is about 1.5x better on some AArch64 cores (on random input in [-4,4]). There are further optimization and quality improvement opportunities.