From: Paul Zimmermann Date: Sun, 12 Feb 2023 07:01:18 +0000 (+0100) Subject: added pair of inputs for hypotf in binary32 X-Git-Tag: glibc-2.38~582 X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=cf7ffdd8a5f6da55397e10b3860062944312824c;p=glibc.git added pair of inputs for hypotf in binary32 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 --- diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in index 393d9fcfaa..c400cafb4b 100644 --- a/math/auto-libm-test-in +++ b/math/auto-libm-test-in @@ -5773,6 +5773,8 @@ hypot 0x1p-16384 0x1p-16446 hypot 0x1p-16383 0x1p-16494 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 0.0