[Bug middle-end/22608] LAPACK - BLAS test errors.

["27roses at daum dot net" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From 27roses at daum dot net  2005-07-25 10:23 -------
Here is details of the build procedure.


linux-2.4.20-31.9
AMD Athlon XP 2500+


[root@node2 root]# gcc -v
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2.2/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --
infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-
checking --with-system-zlib --enable-__cxa_atexit --host=i386-redhat-linux
Thread model: posix
gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)
[root@node2 root]# which gcc
/usr/bin/gcc
[root@node2 root]#mkdir temp
[root@node2 root]#cd temp
[root@node2 temp]# /home/downloads/gcc-4.0.1/configure --prefix=/usr/local/gcc-
4.0.1-F90
..................
.................
checking for MPFR... yes
The following languages will be built: c,c++,f95,java,objc
*** This configuration is not supported in the following subdirectories:
     target-libada
    (Any other directories should still work fine.)
..................
.................





[ami@node2 CLAPACK]$gcc -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: /home/downloads/gcc-4.0.1/configure --prefix=/usr/local/gcc-
4.0.1-noF --enable-languages=c,c++,objc,treelang
Thread model: posix
gcc version 4.0.1
[ami@node2 CLAPACK]$cp INSTALL/make.inc.LINUX ./make.inc
[ami@node2 CLAPACK]$export LD_LIBRARY_PATH="/usr/local/gcc-4.0.1-F90"
[ami@node2 CLAPACK]$export LIBRARY_PATH="/usr/local/gcc-4.0.1-F90"
[ami@node2 CLAPACK]$make f2clib
..................
.................
ranlib libI77.a
cp libI77.a ..
make[1]: exit `/home/ami/temp/CLAPACK/F2CLIBS/libI77' directory
[ami@node2 CLAPACK]$make blaslib
[ami@node2 CLAPACK]$cd BLAS/TESTING; make -f Makeblat2 ; \
      cd .. ; \
	./xblat2s < sblat2.in ; \
	./xblat2d < dblat2.in ; \
	./xblat2c < cblat2.in ; \
	./xblat2z < zblat2.in ; \
      cd TESTING; make -f Makeblat3 ; \
      cd .. ; \
	./xblat3s < sblat3.in ; \
	./xblat3d < dblat3.in ; \
	./xblat3c < cblat3.in ; \
	./xblat3z < zblat3.in
..................
.................
        ../../blas_LINUX.a ../../F2CLIBS/libF77.a ../../F2CLIBS/libI77.a -lm -
lc -o ../xblat3z
[ami@node2 BLAS]$ cat CBLAT2.SUMM
 TESTS OF THE COMPLEX          LEVEL 2 BLAS
 
 THE FOLLOWING PARAMETER VALUES WILL BE USED:
   FOR N                   0     1     2     3     5     9
   FOR K                   0     1     2     4
   FOR INCX AND INCY       1     2    -1    -2
   FOR ALPHA          (  .0,  .0)  ( 1.0,  .0)  (  .7, -.9)
   FOR BETA           (  .0,  .0)  ( 1.0,  .0)  ( 1.3,-1.1)
 
 ROUTINES PASS COMPUTATIONAL TESTS IF TEST RATIO IS LESS THAN   16.00
 
 RELATIVE MACHINE PRECISION IS TAKEN TO BE  1.1E-19
 
 CGEMV  PASSED THE TESTS OF ERROR-EXITS
 
 *******  - COMPUTED RESULT IS LESS THAN HALF ACCURATE *******
                       EXPECTED RESULT                    COMPUTED RESULT
       1  (    .551243    ,   -.533049E-01)  (    .551243    ,   -.533049E-01)
       2  (   -.816325E-01,    .389502    )  (   -.816325E-01,    .389502    )
 ******* CGEMV  FAILED ON CALL NUMBER:
     10: CGEMV ('N',  2,  1,(  .7, -.9), A,  3, X, 1,(  .0,  .0), Y, 1)
.
 
 CGBMV  PASSED THE TESTS OF ERROR-EXITS
 
 ******* FATAL ERROR - COMPUTED RESULT IS LESS THAN HALF ACCURATE *******
                       EXPECTED RESULT                    COMPUTED RESULT
       1  (    .446175    ,   -.597479E-01)  (    .446175    ,   -.597480E-01)
       2  (    .186813    ,   -.929071E-01)  (    .186813    ,   -.929071E-01)
 ******* CGBMV  FAILED ON CALL NUMBER:

.............
 
 END OF TESTS




I can find 'FATAL ERRORs' in  CBLAT3.SUMM, SBLAT2.SUMM, SBLAT3.SUMM .


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22608