[PATCH v2] math: xfail some pown and compoundn tests for ibm128-libgcc
Andreas K. Huettel
dilfridge@gentoo.org
Thu Jul 24 17:37:23 GMT 2025
Thanks, pushed.
Am Mittwoch, 23. Juli 2025, 22:01:37 Mitteleuropäische Sommerzeit schrieb Adhemerval Zanella Netto:
>
> On 23/07/25 13:43, Sachin Monga wrote:
> > On powerpc math/test-ibm128-pown shows below failures:
> >
> > testing long double (without inline functions)
> > infinity has wrong sign.
> > Failure: Test: pown_downward (-inf, 0x7fffffffffffffffLL)
> > Result:
> > is: inf inf
> > should be: -inf -inf
> > Failure: Test: pown_downward (-0, 9223372036854775807LL)
> > Result:
> > is: 0.00000000000000000000000000000000e+00 0x0.000000000000000000000000000p+0
> > should be: -0.00000000000000000000000000000000e+00 -0x0.000000000000000000000000000p+0
> > difference: 0.00000000000000000000000000000000e+00 0x0.000000000000000000000000000p+0
> > ulp : 0.0000
> > max.ulp : 16.0000
> > Failure: pown_downward (-0x1p+0, 9223372036854775807LL): Exception "Invalid operation" set
> > Failure: pown_downward (-0x1p+0, 9223372036854775807LL): errno set to 34, expected 0 (unchanged)
> > Failure: Test: pown_downward (-0x1p+0, 9223372036854775807LL)
> > Result:
> > is: qNaN
> > should be: -1.00000000000000000000000000000000e+00 -0x1.000000000000000000000000000p+0
> > infinity has wrong sign.
> > Failure: Test: pown_towardzero (-0, -0x7fffffffffffffffLL)
> > Result:
> > is: inf inf
> > should be: -inf -inf
> > infinity has wrong sign.
> > Failure: Test: pown_towardzero (-inf, 0x7fffffffffffffffLL)
> > Result:
> > is: inf inf
> > should be: -inf -inf
> > Failure: Test: pown_towardzero (-inf, -0x7fffffffffffffffLL)
> > Result:
> > is: 0.00000000000000000000000000000000e+00 0x0.000000000000000000000000000p+0
> > should be: -0.00000000000000000000000000000000e+00 -0x0.000000000000000000000000000p+0
> > difference: 0.00000000000000000000000000000000e+00 0x0.000000000000000000000000000p+0
> > ulp : 0.0000
> > max.ulp : 16.0000
> > Failure: Test: pown_towardzero (-0, 9223372036854775807LL)
> > Result:
> > is: 0.00000000000000000000000000000000e+00 0x0.000000000000000000000000000p+0
> > should be: -0.00000000000000000000000000000000e+00 -0x0.000000000000000000000000000p+0
> > difference: 0.00000000000000000000000000000000e+00 0x0.000000000000000000000000000p+0
> > ulp : 0.0000
> > max.ulp : 16.0000
> > Failure: pown_towardzero (-0x1p+0, -9223372036854775807LL): Exception "Invalid operation" set
> > Failure: pown_towardzero (-0x1p+0, -9223372036854775807LL): errno set to 34, expected 0 (unchanged)
> > Failure: Test: pown_towardzero (-0x1p+0, -9223372036854775807LL)
> > Result:
> > is: qNaN
> > should be: -1.00000000000000000000000000000000e+00 -0x1.000000000000000000000000000p+0
> > Failure: pown_towardzero (-0x1p+0, 9223372036854775807LL): Exception "Invalid operation" set
> > Failure: pown_towardzero (-0x1p+0, 9223372036854775807LL): errno set to 34, expected 0 (unchanged)
> > Failure: Test: pown_towardzero (-0x1p+0, 9223372036854775807LL)
> > Result:
> > is: qNaN
> > should be: -1.00000000000000000000000000000000e+00 -0x1.000000000000000000000000000p+0
> > infinity has wrong sign.
> > Failure: Test: pown_upward (-0, -0x7fffffffffffffffLL)
> > Result:
> > is: inf inf
> > should be: -inf -inf
> > Failure: Test: pown_upward (-inf, -0x7fffffffffffffffLL)
> > Result:
> > is: 0.00000000000000000000000000000000e+00 0x0.000000000000000000000000000p+0
> > should be: -0.00000000000000000000000000000000e+00 -0x0.000000000000000000000000000p+0
> > difference: 0.00000000000000000000000000000000e+00 0x0.000000000000000000000000000p+0
> > ulp : 0.0000
> > max.ulp : 16.0000
> > Failure: pown_upward (-0x1p+0, -9223372036854775807LL): Exception "Invalid operation" set
> > Failure: pown_upward (-0x1p+0, -9223372036854775807LL): errno set to 34, expected 0 (unchanged)
> > Failure: Test: pown_upward (-0x1p+0, -9223372036854775807LL)
> > Result:
> > is: qNaN
> > should be: -1.00000000000000000000000000000000e+00 -0x1.000000000000000000000000000p+0
> >
> > Likewise, math/test-ibm128-compoundn shows below failure:
> >
> > testing long double (without inline functions)
> > Failure: compoundn_upward (0xf.ffffffffffff8p+1020, 1LL): Exception "Overflow" set
> > Failure: compoundn_upward (0xf.ffffffffffff8p+1020, 1LL): errno set to 34, expected 0 (unchanged)
> > Failure: Test: compoundn_upward (0xf.ffffffffffff8p+1020, 1LL)
> > Result:
> > is: inf inf
> > should be: 1.79769313486231570814527423731707e+308 0x1.fffffffffffff00000000000008p+1023
> >
> > Signed-off-by: Sachin Monga <smonga@linux.ibm.com>
>
> LGTM, thanks.
>
> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
>
> > ---
> > This patch is reg tested.
> >
> >
> >> Hi,
> >> there is a typo in the subject: compundn should be compoundn.
> >> Paul
> >
> > Thanks Paul.
> >
> > math/auto-libm-test-out-compoundn | 10 ++---
> > math/auto-libm-test-out-pown | 72 +++++++++++++++----------------
> > math/libm-test-pown.inc | 6 +--
> > 3 files changed, 44 insertions(+), 44 deletions(-)
> >
> > diff --git a/math/auto-libm-test-out-compoundn b/math/auto-libm-test-out-compoundn
> > index 269fe53bd8..059fbd03cc 100644
> > --- a/math/auto-libm-test-out-compoundn
> > +++ b/math/auto-libm-test-out-compoundn
> > @@ -2137,23 +2137,23 @@ compoundn max 1
> > = compoundn downward binary64 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > = compoundn tonearest binary64 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > = compoundn towardzero binary64 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > -= compoundn upward binary64 0xf.ffffffffffff8p+1020 1LL : plus_infty : inexact-ok overflow errno-erange
> > += compoundn upward binary64 0xf.ffffffffffff8p+1020 1LL : plus_infty : xfail:ibm128-libgcc inexact-ok overflow errno-erange
> > = compoundn downward intel96 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > = compoundn tonearest intel96 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > = compoundn towardzero intel96 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > -= compoundn upward intel96 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff801p+1020 : inexact-ok
> > += compoundn upward intel96 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff801p+1020 : xfail:ibm128-libgcc inexact-ok
> > = compoundn downward m68k96 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > = compoundn tonearest m68k96 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > = compoundn towardzero m68k96 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > -= compoundn upward m68k96 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff801p+1020 : inexact-ok
> > += compoundn upward m68k96 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff801p+1020 : xfail:ibm128-libgcc inexact-ok
> > = compoundn downward binary128 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > = compoundn tonearest binary128 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > = compoundn towardzero binary128 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > -= compoundn upward binary128 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8000000000000008p+1020 : inexact-ok
> > += compoundn upward binary128 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8000000000000008p+1020 : xfail:ibm128-libgcc inexact-ok
> > = compoundn downward ibm128 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > = compoundn tonearest ibm128 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > = compoundn towardzero ibm128 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff8p+1020 : inexact-ok
> > -= compoundn upward ibm128 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff80000000000004p+1020 : inexact-ok
> > += compoundn upward ibm128 0xf.ffffffffffff8p+1020 1LL : 0xf.ffffffffffff80000000000004p+1020 : xfail:ibm128-libgcc inexact-ok
> > = compoundn downward intel96 0xf.fffffffffffffffp+16380 1LL : 0xf.fffffffffffffffp+16380 : inexact-ok
> > = compoundn tonearest intel96 0xf.fffffffffffffffp+16380 1LL : 0xf.fffffffffffffffp+16380 : inexact-ok
> > = compoundn towardzero intel96 0xf.fffffffffffffffp+16380 1LL : 0xf.fffffffffffffffp+16380 : inexact-ok
> > diff --git a/math/auto-libm-test-out-pown b/math/auto-libm-test-out-pown
> > index 502706296a..e58bc8e97b 100644
> > --- a/math/auto-libm-test-out-pown
> > +++ b/math/auto-libm-test-out-pown
> > @@ -824,29 +824,29 @@ pown -0 0x3ffffffffffffe
> > = pown towardzero ibm128 -0x0p+0 18014398509481982LL : 0x0p+0 : inexact-ok
> > = pown upward ibm128 -0x0p+0 18014398509481982LL : 0x0p+0 : inexact-ok
> > pown -0 0x7fffffffffffffff
> > -= pown downward binary32 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown downward binary32 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest binary32 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown towardzero binary32 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown towardzero binary32 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward binary32 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown downward binary64 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown downward binary64 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest binary64 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown towardzero binary64 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown towardzero binary64 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward binary64 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown downward intel96 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown downward intel96 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest intel96 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown towardzero intel96 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown towardzero intel96 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward intel96 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown downward m68k96 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown downward m68k96 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest m68k96 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown towardzero m68k96 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown towardzero m68k96 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward m68k96 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown downward binary128 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown downward binary128 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest binary128 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown towardzero binary128 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown towardzero binary128 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward binary128 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown downward ibm128 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown downward ibm128 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest ibm128 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > -= pown towardzero ibm128 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > += pown towardzero ibm128 -0x0p+0 9223372036854775807LL : -0x0p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward ibm128 -0x0p+0 9223372036854775807LL : -0x0p+0 : inexact-ok
> > pown 0.0 4
> > = pown downward binary32 0x0p+0 4LL : 0x0p+0 : inexact-ok
> > @@ -1101,28 +1101,28 @@ pown -1.0 -0x3ffffffffffffe
> > pown -1.0 -0x7fffffffffffffff
> > = pown downward binary32 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > = pown tonearest binary32 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero binary32 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown upward binary32 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero binary32 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > += pown upward binary32 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown downward binary64 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > = pown tonearest binary64 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero binary64 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown upward binary64 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero binary64 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > += pown upward binary64 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown downward intel96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > = pown tonearest intel96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero intel96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown upward intel96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero intel96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > += pown upward intel96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown downward m68k96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > = pown tonearest m68k96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero m68k96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown upward m68k96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero m68k96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > += pown upward m68k96 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown downward binary128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > = pown tonearest binary128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero binary128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown upward binary128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero binary128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > += pown upward binary128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown downward ibm128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > = pown tonearest ibm128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero ibm128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown upward ibm128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero ibm128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > += pown upward ibm128 -0x1p+0 -9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > pown -1.0 0xffffff
> > = pown downward binary32 -0x1p+0 16777215LL : -0x1p+0 : inexact-ok
> > = pown tonearest binary32 -0x1p+0 16777215LL : -0x1p+0 : inexact-ok
> > @@ -1224,29 +1224,29 @@ pown -1.0 0x3ffffffffffffe
> > = pown towardzero ibm128 -0x1p+0 18014398509481982LL : 0x1p+0 : inexact-ok
> > = pown upward ibm128 -0x1p+0 18014398509481982LL : 0x1p+0 : inexact-ok
> > pown -1.0 0x7fffffffffffffff
> > -= pown downward binary32 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown downward binary32 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest binary32 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero binary32 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero binary32 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward binary32 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown downward binary64 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown downward binary64 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest binary64 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero binary64 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero binary64 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward binary64 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown downward intel96 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown downward intel96 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest intel96 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero intel96 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero intel96 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward intel96 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown downward m68k96 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown downward m68k96 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest m68k96 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero m68k96 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero m68k96 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward m68k96 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown downward binary128 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown downward binary128 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest binary128 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero binary128 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero binary128 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward binary128 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown downward ibm128 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown downward ibm128 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown tonearest ibm128 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > -= pown towardzero ibm128 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > += pown towardzero ibm128 -0x1p+0 9223372036854775807LL : -0x1p+0 : xfail:ibm128-libgcc inexact-ok
> > = pown upward ibm128 -0x1p+0 9223372036854775807LL : -0x1p+0 : inexact-ok
> > pown -2.0 126
> > = pown downward binary32 -0x2p+0 126LL : 0x4p+124 : inexact-ok
> > diff --git a/math/libm-test-pown.inc b/math/libm-test-pown.inc
> > index 8e04f30bdb..0bcebc36ea 100644
> > --- a/math/libm-test-pown.inc
> > +++ b/math/libm-test-pown.inc
> > @@ -79,7 +79,7 @@ static const struct test_fL_f_data pown_test_data[] =
> > TEST_fL_f (pown, minus_zero, -0x1fffffffffffffLL, minus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
> > TEST_fL_f (pown, minus_zero, -0x3ffffffffffffeLL, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
> > TEST_fL_f (pown, minus_zero, -0x7ffffffffffffffeLL, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
> > - TEST_fL_f (pown, minus_zero, -0x7fffffffffffffffLL, minus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
> > + TEST_fL_f (pown, minus_zero, -0x7fffffffffffffffLL, minus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE|XFAIL_ROUNDING_IBM128_LIBGCC),
> >
> > TEST_fL_f (pown, 0, -2, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
> > TEST_fL_f (pown, 0, -0x1000000, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
> > @@ -107,7 +107,7 @@ static const struct test_fL_f_data pown_test_data[] =
> > TEST_fL_f (pown, minus_infty, 0x1fffffffffffffLL, minus_infty, ERRNO_UNCHANGED),
> > TEST_fL_f (pown, minus_infty, 0x3ffffffffffffeL, plus_infty, ERRNO_UNCHANGED),
> > TEST_fL_f (pown, minus_infty, 0x7ffffffffffffffeLL, plus_infty, ERRNO_UNCHANGED),
> > - TEST_fL_f (pown, minus_infty, 0x7fffffffffffffffLL, minus_infty, ERRNO_UNCHANGED),
> > + TEST_fL_f (pown, minus_infty, 0x7fffffffffffffffLL, minus_infty, ERRNO_UNCHANGED|XFAIL_ROUNDING_IBM128_LIBGCC),
> >
> > /* pown (-inf, y) == +inf for y > 0 and not an odd integer. */
> > TEST_fL_f (pown, minus_infty, 28, plus_infty, ERRNO_UNCHANGED),
> > @@ -122,7 +122,7 @@ static const struct test_fL_f_data pown_test_data[] =
> > TEST_fL_f (pown, minus_infty, -0x1fffffffffffffLL, minus_zero, ERRNO_UNCHANGED),
> > TEST_fL_f (pown, minus_infty, -0x3ffffffffffffeLL, plus_zero, ERRNO_UNCHANGED),
> > TEST_fL_f (pown, minus_infty, -0x7ffffffffffffffeLL, plus_zero, ERRNO_UNCHANGED),
> > - TEST_fL_f (pown, minus_infty, -0x7fffffffffffffffLL, minus_zero, ERRNO_UNCHANGED),
> > + TEST_fL_f (pown, minus_infty, -0x7fffffffffffffffLL, minus_zero, ERRNO_UNCHANGED|XFAIL_ROUNDING_IBM128_LIBGCC),
> >
> > /* pown (-inf, y) == +0 for y < 0 and not an odd integer. */
> > TEST_fL_f (pown, minus_infty, -2, 0.0, ERRNO_UNCHANGED),
> > --
> > 2.47.1
> >
>
>
--
Andreas K. Hüttel
dilfridge@gentoo.org
Gentoo Linux developer
(council, toolchain, base-system, perl, libreoffice)
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