8000 Remove float8-small-is-zero regression test variant. · postgrespro/postgres_cluster@6ee8995 · GitHub
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RhodiumToadRhodiumToad
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Remove float8-small-is-zero regression test variant.
Since this was also the variant used as an example in the docs, update the docs to use float4-misrounded-input as an example instead, since that is now the only remaining variant file.
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‎doc/src/sgml/regress.sgml

Lines changed: 9 additions & 10 deletions
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@@ -653,22 +653,21 @@ testname:output:platformpattern=comparisonfilename
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</para>
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<para>
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For example: some systems interpret very small floating-point values
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as zero, rather than reporting an underflow error. This causes a
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few differences in the <filename>float8</filename> regression test.
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For example: some systems lack a working <literal>strtof</literal> function,
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for which our workaround causes rounding errors in the
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<filename>float4</filename> regression test.
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Therefore, we provide a variant comparison file,
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<filename>float8-small-is-zero.out</filename>, which includes
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<filename>float4-misrounded-input.out</filename>, which includes
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the results to be expected on these systems. To silence the bogus
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<quote>failure</quote> message on <systemitem>OpenBSD</systemitem>
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<quote>failure</quote> message on <systemitem>HP-UX 10</systemitem>
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platforms, <filename>resultmap</filename> includes:
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<programlisting>
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float8:out:i.86-.*-openbsd=float8-small-is-zero.out
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float4:out:hppa.*-hp-hpux10.*=float4-misrounded-input.out
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</programlisting>
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which will trigger on any machine where the output of
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<command>config.guess</command> matches <literal>i.86-.*-openbsd</literal>.
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Other lines
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in <filename>resultmap</filename> select the variant comparison file for other
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platforms where it's appropriate.
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<command>config.guess</command> matches <literal>hppa.*-hp-hpux10.*</literal>.
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Other lines in <filename>resultmap</filename> select the variant comparison
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file for other platforms where it's appropriate.
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</para>
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<para>

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