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Date:	Tue, 21 Oct 2014 15:29:30 +0200
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Re: Tester for openblas needed
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On 10/20/2014 11:56 PM, Marco Atzeri wrote:
> On 10/20/2014 6:16 PM, Tony Kelman wrote:
>
>> I may be doing this wrong, but I'm getting errors from your openblas
>> build, but not the reference blas package, when I run the following:
>>
>> $ curl -O
>> https://raw.githubusercontent.com/xianyi/OpenBLAS/develop/test/sblat2.f
>> $ gfortran -o sblat2 sblat2.f -lblas
>> $ rm -f SBLAT2.SUMM
>> $ curl
>> https://raw.githubusercontent.com/xianyi/OpenBLAS/develop/test/sblat2.dat
>> |
>> ./sblat2
>>
>> This outputs messages like:
>> ** On entry to SGEMV  parameter number  1 had an illegal value
>> and so on for the other single-precision level 2 functions in that test.
>>
>> This does seem to work okay on Linux or an existing i686-w64-mingw32
>> build.
>
> It fails also on the netlib blas reference so it is not a specific
> openblas issue.
> It must be something more general like
> http://icl.cs.utk.edu/lapack-forum/archives/lapack/msg01441.html
>

I think the problem is in the test, changing one flag

--- sblat2.in~  2014-10-21 14:38:37.665617000 +0200
+++ sblat2.in   2014-10-21 14:47:33.515675400 +0200
@@ -4,7 +4,7 @@
  -1                UNIT NUMBER OF SNAPSHOT FILE (NOT USED IF .LT. 0)
  F        LOGICAL FLAG, T TO REWIND SNAPSHOT FILE AFTER EACH RECORD.
  F        LOGICAL FLAG, T TO STOP ON FAILURES.
-T        LOGICAL FLAG, T TO TEST ERROR EXITS.
+F        LOGICAL FLAG, T TO TEST ERROR EXITS.
  16.0     THRESHOLD VALUE OF TEST RATIO
  6                 NUMBER OF VALUES OF N
  0 1 2 3 5 9       VALUES OF N


both netlib and openblas pass the computational tests.

Regards
Marco




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