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| author | Pierre Blanchard <pierre.blanchard@arm.com> | 2022-12-20 10:13:08 +0000 |
|---|---|---|
| committer | Pierre Blanchard <pierre.blanchard@arm.com> | 2022-12-20 10:13:17 +0000 |
| commit | 7ab15c5f583cd2dd097aa31e9bdace5af0e674f4 (patch) | |
| tree | c69f1a24359b9ca15037abffc47a9b889eef0b11 | |
| parent | f312cb80e4a306d8a127a1dd78b5ee0a1ee89732 (diff) | |
| download | arm-optimized-routines-7ab15c5f583cd2dd097aa31e9bdace5af0e674f4.tar.gz | |
pl/math: Update ULP threshold for SVE erf
Updated comment and test threshold.
| -rw-r--r-- | pl/math/sv_erf_3u.c (renamed from pl/math/sv_erf_2u5.c) | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/pl/math/sv_erf_2u5.c b/pl/math/sv_erf_3u.c index b4c9186..c860e1a 100644 --- a/pl/math/sv_erf_2u5.c +++ b/pl/math/sv_erf_3u.c @@ -20,10 +20,10 @@ __sv_erf_specialcase (sv_f64_t x, sv_f64_t y, svbool_t cmp) return sv_call_f64 (erf, x, y, cmp); } -/* Optimized double precision SVE error function erf. Maximum - observed error is 2.46 ULP: - __sv_erf(0x1.5644782ddd668p+2) got 0x1.ffffffffffeap-1 - want 0x1.ffffffffffe9ep-1. */ +/* Optimized double precision SVE error function erf. + Maximum observed error is 2.62 ULP: + __sv_erf(0x1.79cab7e3078fap+2) got 0x1.0000000000001p+0 + want 0x1.fffffffffffffp-1. */ sv_f64_t __sv_erf_x (sv_f64_t x, const svbool_t pg) { @@ -91,7 +91,7 @@ __sv_erf_x (sv_f64_t x, const svbool_t pg) PL_ALIAS (__sv_erf_x, _ZGVsMxv_erf) PL_SIG (SV, D, 1, erf, -4.0, 4.0) -PL_TEST_ULP (__sv_erf, 1.97) +PL_TEST_ULP (__sv_erf, 2.13) PL_TEST_INTERVAL (__sv_erf, 0, 0x1p-28, 20000) PL_TEST_INTERVAL (__sv_erf, 0x1p-28, 1, 60000) PL_TEST_INTERVAL (__sv_erf, 1, 0x1p28, 60000) |