?CHKE reports only a pass/fail verdict per routine, with no indication
of how many error exits it checked. Report those counts too, in the same
shape as the computational ones:
SGEMV ERROR-EXIT TESTS: 6 RUN, 0 FAILED
One test is one CHKXER call. CHKXER is called between 96 and 229 times
per driver, so threading counters through its argument list is not an
option; they travel in a new /XERCNT/ block instead, following the
/INFOC/ and /SRNAMC/ pattern these files already use.
A test fails in two distinct ways. Either the routine never called
XERBLA, which CHKXER already detects through LERR; or XERBLA was called
with the wrong INFO or the wrong routine name, which clears OK inside
XERBLA without CHKXER ever noticing. The second case is not theoretical:
it is what the extended API drivers hit, where the BLAS reports SRNAME
as CGEMV_ against an expected CGEMV. NXBAD carries that across so the
counts agree with the verdict instead of reporting zero failures beside
a FAILED line.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
