[Bug math/19085] New: ldbl-128 lrintl, lroundl missing exceptions for 32-bit long

["jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=19085

            Bug ID: 19085
           Summary: ldbl-128 lrintl, lroundl missing exceptions for 32-bit
                    long
           Product: glibc
           Version: 2.22
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
          Assignee: unassigned at sourceware dot org
          Reporter: jsm28 at gcc dot gnu.org
  Target Milestone: ---

The ldbl-128 implementations of lrintl and lroundl miss "invalid" exceptions on
systems with 32-bit long for arguments that overflow long but have exponent
below 48.  E.g., for MIPS64 n32:

Failure: lrint (0x1p31): Exception "Invalid operation" not set
Failure: lrint (0x1p32): Exception "Invalid operation" not set
Failure: lrint (0x1p33): Exception "Invalid operation" not set
Failure: lrint (-0x1p32): Exception "Invalid operation" not set
Failure: lrint (-0x1p33): Exception "Invalid operation" not set
Failure: lrint_downward (0x1p31): Exception "Invalid operation" not set
Failure: lrint_downward (0x1p32): Exception "Invalid operation" not set
Failure: lrint_downward (0x1p33): Exception "Invalid operation" not set
Failure: lrint_downward (-0x1p32): Exception "Invalid operation" not set
Failure: lrint_downward (-0x1p33): Exception "Invalid operation" not set
Failure: lrint_towardzero (0x1p31): Exception "Invalid operation" not set
Failure: lrint_towardzero (0x1p32): Exception "Invalid operation" not set
Failure: lrint_towardzero (0x1p33): Exception "Invalid operation" not set
Failure: lrint_towardzero (-0x1p32): Exception "Invalid operation" not set
Failure: lrint_towardzero (-0x1p33): Exception "Invalid operation" not set
Failure: lrint_upward (0x1p31): Exception "Invalid operation" not set
Failure: lrint_upward (0x1p32): Exception "Invalid operation" not set
Failure: lrint_upward (0x1p33): Exception "Invalid operation" not set
Failure: lrint_upward (-0x1p32): Exception "Invalid operation" not set
Failure: lrint_upward (-0x1p33): Exception "Invalid operation" not set
Failure: lround (0x1p31): Exception "Invalid operation" not set
Failure: lround (0x1p32): Exception "Invalid operation" not set
Failure: lround (0x1p33): Exception "Invalid operation" not set
Failure: lround (-0x1p32): Exception "Invalid operation" not set
Failure: lround (-0x1p33): Exception "Invalid operation" not set
Failure: lround_downward (0x1p31): Exception "Invalid operation" not set
Failure: lround_downward (0x1p32): Exception "Invalid operation" not set
Failure: lround_downward (0x1p33): Exception "Invalid operation" not set
Failure: lround_downward (-0x1p32): Exception "Invalid operation" not set
Failure: lround_downward (-0x1p33): Exception "Invalid operation" not set
Failure: lround_towardzero (0x1p31): Exception "Invalid operation" not set
Failure: lround_towardzero (0x1p32): Exception "Invalid operation" not set
Failure: lround_towardzero (0x1p33): Exception "Invalid operation" not set
Failure: lround_towardzero (-0x1p32): Exception "Invalid operation" not set
Failure: lround_towardzero (-0x1p33): Exception "Invalid operation" not set
Failure: lround_upward (0x1p31): Exception "Invalid operation" not set
Failure: lround_upward (0x1p32): Exception "Invalid operation" not set
Failure: lround_upward (0x1p33): Exception "Invalid operation" not set
Failure: lround_upward (-0x1p32): Exception "Invalid operation" not set
Failure: lround_upward (-0x1p33): Exception "Invalid operation" not set

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