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added pair of inputs for hypotf in binary32

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This pair yields an error of 1 ulp in binary32, whereas the current
maximal known error for hypotf on x86_64 is zero:

Checking hypot with glibc-2.37
hypot 0 -1 -0x1.003222p-20,-0x1.6a2d58p-32 [0.501] 0.500001 0.500000001392678
libm gives 0x1.003224p-20
mpfr gives 0x1.003222p-20

See https://sourceware.org/pipermail/libc-alpha/2023-February/145432.html
and https://sourceware.org/pipermail/libc-alpha/2023-February/145442.html
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Paul Zimmermann 2023-02-12 08:01:18 +01:00
parent 000ca24f80
commit cf7ffdd8a5
1 changed files with 2 additions and 0 deletions
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math/auto-libm-test-in
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@ -5773,6 +5773,8 @@ hypot 0x1p-16384 0x1p-16446
hypot 0x1p-16383 0x1p-16494 hypot 0x1p-16383 0x1p-16494
hypot -0x1.fa7deap+0 0x1.a761bab383ac8p+0 hypot -0x1.fa7deap+0 0x1.a761bab383ac8p+0
# the following inputs yield an error of 1 ulp on x86_64 in binary32
hypot -0x1.003222p-20 -0x1.6a2d58p-32
j0 -1.0 j0 -1.0
j0 0.0 j0 0.0