[Pspp-commits] [SCM] GNU PSPP branch, master, updated. v1.6.2-230-g505a04fe4

[Ben Pfaff]

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commit 505a04fe4cf5cb6f81b498e997898e6069387791
Author: Ben Pfaff <blp@cs.stanford.edu>
Date:   Sat Apr 22 18:05:44 2023 -0700

    Fix checks for valid integer range subset of 'double'.
    
    Previously, I assumed that checking that a 'double' was between LONG_MIN
    and LONG_MAX meant that it would convert to a sensible 'long'.  This is
    wrong, because LONG_MAX rounds up to a higher 'double', because it has too
    many bits for a 53-bit mantissa.  This could cause problems, like for
    example LONG_MAX (as a double) turns out to convert back to LONG_MIN (as a
    'long').  This commit fixes the problem.
    
    Thanks to Youngseok Choi for reporting the problem.
    Reported at 
https://lists.gnu.org/archive/html/bug-gnu-pspp/2023-04/msg00005.html.

-----------------------------------------------------------------------

Summary of changes:
 src/language/commands/matrix.c    | 43 ++++++++++++++++++++++++-------
 src/language/lexer/lexer.c        |  4 +++
 src/language/lexer/token.c        | 11 +++++---
 src/libpspp/automake.mk           |  1 +
 src/libpspp/float-range.h         | 53 +++++++++++++++++++++++++++++++++++++++
 tests/language/commands/matrix.at | 34 ++++++++++++++++++++++++-
 6 files changed, 132 insertions(+), 14 deletions(-)
 create mode 100644 src/libpspp/float-range.h


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