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23 results

geo_ops.c

  • Tom Lane's avatar
    43fe90f6
    Suppress -0 in the C field of lines computed by line_construct_pts(). · 43fe90f6
    Tom Lane authored 
    It's not entirely clear why some PPC machines are generating -0 here, since
the underlying computation should be exactly 0 - 0.  Perhaps there's some
wider-than-nominal-precision calculations happening?  Anyway, the best way
to avoid platform-dependent results seems to be to explicitly reset -0 to
regular zero.
    43fe90f6
    History
    Suppress -0 in the C field of lines computed by line_construct_pts().
    Tom Lane authored 
    It's not entirely clear why some PPC machines are generating -0 here, since
the underlying computation should be exactly 0 - 0.  Perhaps there's some
wider-than-nominal-precision calculations happening?  Anyway, the best way
to avoid platform-dependent results seems to be to explicitly reset -0 to
regular zero.