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[Bug math/15898] New: acoshf() is not monotonic


https://sourceware.org/bugzilla/show_bug.cgi?id=15898

            Bug ID: 15898
           Summary: acoshf() is not monotonic
           Product: glibc
           Version: 2.15
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
          Assignee: unassigned at sourceware dot org
          Reporter: bagnara at cs dot unipr.it

acoshf is not monotonic for down: acoshf(0x1p+28) = 0x1.419ec8p+4 <
0x1.419ecap+4 = acoshf(0x1.fffffep+27)
acoshf is not monotonic for zero: acoshf(0x1p+28) = 0x1.419ec8p+4 <
0x1.419ecap+4 = acoshf(0x1.fffffep+27)

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