diff options
Diffstat (limited to 'doc/src')
-rw-r--r-- | doc/src/sgml/regress.sgml | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/doc/src/sgml/regress.sgml b/doc/src/sgml/regress.sgml index 3b2afd45ccf..76d242671bc 100644 --- a/doc/src/sgml/regress.sgml +++ b/doc/src/sgml/regress.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/regress.sgml,v 1.39 2004/03/15 16:11:42 momjian Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/regress.sgml,v 1.40 2004/05/21 05:07:55 tgl Exp $ --> <chapter id="regress"> <title id="regress-title">Regression Tests</title> @@ -378,20 +378,19 @@ testname/platformpattern=comparisonfilename </para> <para> - For example: some systems using older time zone libraries fail to apply - daylight-saving corrections to dates before 1970, causing - pre-1970 <acronym>PDT</acronym> times to be displayed in <acronym>PST</acronym> instead. This causes a - few differences in the <filename>horology</> regression test. + For example: some systems interpret very small floating-point values + as zero, rather than reporting an underflow error. This causes a + few differences in the <filename>float8</> regression test. Therefore, we provide a variant comparison file, - <filename>horology-no-DST-before-1970.out</filename>, which includes + <filename>float8-small-is-zero.out</filename>, which includes the results to be expected on these systems. To silence the bogus - <quote>failure</quote> message on <systemitem>HPUX</systemitem> platforms, - <filename>resultmap</filename> includes + <quote>failure</quote> message on <systemitem>OpenBSD</systemitem> + platforms, <filename>resultmap</filename> includes <programlisting> -horology/.*-hpux=horology-no-DST-before-1970 +float8/i.86-.*-openbsd=float8-small-is-zero </programlisting> which will trigger on any machine for which the output of - <command>config.guess</command> includes <literal>-hpux</literal>. + <command>config.guess</command> matches <literal>i.86-.*-openbsd</literal>. Other lines in <filename>resultmap</> select the variant comparison file for other platforms where it's appropriate. |