[Bug manual/33752] New: Doc incorrectly says double and long double may not be distinct

Keith.S.Thompson at gmail dot com sourceware-bugzilla@sourceware.org
Tue Dec 30 19:31:04 GMT 2025


https://sourceware.org/bugzilla/show_bug.cgi?id=33752

            Bug ID: 33752
           Summary: Doc incorrectly says double and long double may not be
                    distinct
           Product: glibc
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: manual
          Assignee: unassigned at sourceware dot org
          Reporter: Keith.S.Thompson at gmail dot com
                CC: mtk.manpages at gmail dot com
  Target Milestone: ---

Created attachment 16545
  --> https://sourceware.org/bugzilla/attachment.cgi?id=16545&action=edit
Proposed patch for manual/math.texi

The documentation currently says:

Not all machines have a distinct ‘long double’ type; it may be the same as
‘double’.

In fact the types double and long double are always distinct types in C, even
if they happen to have the same size and representation.

Proposed patch attached.

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