This file is indexed.

/usr/lib/libblas/din2 is in libblas-test 3.6.0-2ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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'DBLAT2.SNAP'     NAME OF SNAPSHOT OUTPUT FILE
-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.
2        0 TO TEST COLUMN-MAJOR, 1 TO TEST ROW-MAJOR, 2 TO TEST BOTH
16.0     THRESHOLD VALUE OF TEST RATIO
6                 NUMBER OF VALUES OF N
0 1 2 3 5 9       VALUES OF N
4                 NUMBER OF VALUES OF K
0 1 2 4           VALUES OF K
4                 NUMBER OF VALUES OF INCX AND INCY
1 2 -1 -2         VALUES OF INCX AND INCY
3                 NUMBER OF VALUES OF ALPHA
0.0 1.0 0.7       VALUES OF ALPHA
3                 NUMBER OF VALUES OF BETA
0.0 1.0 0.9       VALUES OF BETA
cblas_dgemv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dgbmv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dsymv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dsbmv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dspmv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dtrmv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dtbmv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dtpmv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dtrsv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dtbsv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dtpsv  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dger   T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dsyr   T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dspr   T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dsyr2  T PUT F FOR NO TEST. SAME COLUMNS.
cblas_dspr2  T PUT F FOR NO TEST. SAME COLUMNS.