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| author | Paul Zimmermann <Paul.Zimmermann@inria.fr> | 2020-03-30 15:55:55 +0200 |
|---|---|---|
| committer | Carlos O'Donell <carlos@redhat.com> | 2020-03-31 21:48:54 -0400 |
| commit | a9d42c09a327540a99f2eac25a98fd2ad6d0b540 (patch) | |
| tree | 2868b4c24e993154324f514af46329e43b2c7d1e /math/auto-libm-test-in | |
| parent | 49c3c37651e2d2ec4ff8ce21252bbbc08a9d6639 (diff) | |
| download | glibc-a9d42c09a327540a99f2eac25a98fd2ad6d0b540.zip glibc-a9d42c09a327540a99f2eac25a98fd2ad6d0b540.tar.gz glibc-a9d42c09a327540a99f2eac25a98fd2ad6d0b540.tar.bz2 | |
math: Add inputs that yield larger errors for float type (x86_64)
The corner cases included were generated using exhaustive search
for all float/binary32 values on x86_64 (comparing to MPFR for
correct rounding to nearest).
For the j0/j1/y0 functions, only cases with ulp error <= 9 were
included.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'math/auto-libm-test-in')
| -rw-r--r-- | math/auto-libm-test-in | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in index f36fea0..749eb34 100644 --- a/math/auto-libm-test-in +++ b/math/auto-libm-test-in @@ -371,6 +371,8 @@ asinh -0x6.e26358p-4 asinh 0x6.c92c08p-4 asinh 0x1p-500 asinh 0x1p-5000 +# the next value generates larger error bounds on x86_64 (binary32) +asinh 0xf.96c69p-8 asinh min asinh -min asinh min_subnorm @@ -4421,6 +4423,8 @@ cos 0x3.042d88p+0 cos 0x1.8475e5afd4481p+0 cos 1.57079697 cos -1.57079697 +# the next value generates larger error bounds on x86_64 (binary32) +cos 0x2.3c6ef4p-12 cosh 0 cosh -0 @@ -4482,6 +4486,8 @@ cosh 0x2.c5d37700c6bb03a6c24b6c9b494cp+12 cosh 0x2.c5d37700c6bb03a6c24b6c9b494ep+12 cosh -0x2.c5d37700c6bb03a6c24b6c9b494cp+12 cosh -0x2.c5d37700c6bb03a6c24b6c9b494ep+12 +# the next value generates larger error bounds on x86_64 (binary32) +cosh 0x5.8bfe6p+4 cpow 1 0 0 0 ignore-zero-inf-sign cpow 2 0 10 0 ignore-zero-inf-sign @@ -4982,6 +4988,8 @@ erfc 0x6.a8a0561d8bbe942p+4 erfc 0x6.a8a0561d8bbe9428p+4 erfc 0x6.a893032db905274042fb05c665dcp+4 erfc 0x6.a893032db905274042fb05c665ep+4 +# the next value generates larger error bounds on x86_64 (binary32) +erfc 0xd.03d06p-4 erfc min erfc -min erfc min_subnorm @@ -5096,6 +5104,8 @@ exp 0x3.248524p+0 exp 0x1.f0b362p+0 exp 0xd.89746a799ac4eedp+0 exp -0x6.58b64p-4 +# the next value generates larger error bounds on x86_64 (binary32) +exp 0x1.fefe02p-16 exp10 0 exp10 -0 @@ -5159,6 +5169,8 @@ exp10 0x1.34413509f79fef311f12b35816f9p+12 exp10 0x1.34413509f79fef311f12b35816fap+12 exp10 -0x1.343793004f503231a589bac27c39p+12 exp10 -0x1.343793004f503231a589bac27c38p+12 +# the next value generates larger error bounds on x86_64 (binary32) +exp10 -0xa.6f431p+0 exp10 min exp10 -min exp10 min_subnorm @@ -5734,6 +5746,8 @@ j0 -0x1.001000001p+593 j0 0x1p1023 j0 0x1p16382 j0 0x1p16383 +# the next value generates larger error bounds on x86_64 (binary32) +j0 0x2.602774p+0 j1 -1.0 j1 0.0 @@ -5765,6 +5779,8 @@ j1 0x1p-60 j1 0x1p-100 j1 0x1p-600 j1 0x1p-10000 +# the next value generates larger error bounds on x86_64 (binary32) +j1 0x3.ae4b2p+0 j1 min j1 -min j1 min_subnorm @@ -5903,6 +5919,8 @@ lgamma 0x1p-16445 lgamma -0x1p-16445 lgamma 0x1p-16494 lgamma -0x1p-16494 +# the next value generates larger error bounds on x86_64 (binary32) +lgamma -0x3.ec4298p+0 # Values +/- 10ulp from overflow threshold. (Values very close to # overflow threshold produce results very close of that threshold, @@ -7205,6 +7223,8 @@ sin 0x6.287cc8749212e72p+0 sin -0x1.02e34cp+0 sin 0xf.f0274p+4 sin 0x3.042d88p+0 +# the next value generates larger error bounds on x86_64 (binary32) +sin 0x1.d12ed2p-12 sin max sin -max sin min @@ -8159,6 +8179,8 @@ tgamma -0xa.ccfcep+0 tgamma -0x9.418c8p+0 tgamma -0x6.ce9158p+0 tgamma -0xd.cbf53d0e7d06p+0 +# the next value generates larger error bounds on x86_64 (binary32) +tgamma -0x3.0aa534p+0 y0 0.125 y0 0.75 @@ -8185,6 +8207,8 @@ y0 0x1p-100 y0 0x1p-110 y0 0x1p-600 y0 0x1p-10000 +# the next value generates larger error bounds on x86_64 (binary32) +y0 0xd.3432bp-4 y0 min y0 min_subnorm |