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[Bug math/16823] New: [S390] test-ldouble for log1p fails with infinity has wrong sign.


https://sourceware.org/bugzilla/show_bug.cgi?id=16823

            Bug ID: 16823
           Summary: [S390] test-ldouble for log1p fails with infinity has
                    wrong sign.
           Product: glibc
           Version: 2.20
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
          Assignee: unassigned at sourceware dot org
          Reporter: stli at linux dot vnet.ibm.com

Failed tests on s390:
FAIL: math/test-ildoubl
FAIL: math/test-ldouble

With:
infinity has wrong sign.
Failure: Test: log1p_downward (-1)
Result:
Âis:ÂÂÂÂÂÂÂÂÂÂinfÂÂÂinf
Âshould be:ÂÂ-infÂÂ-inf

The implementation in
sysdeps/ieee754/ldbl-128/s_log1pl.c (__log1pl)
is used.

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