31 calls from
SHSEQR

ILAENV  2
ISAMAX  2
LSAME   3
SCOPY   3
SGEMV   3
SHR_KIND_MOD  1
SLABAD  1
SLACPY  1
SLAHQR  3
SLAMCH  2
SLANHS  1
SLAPY2  1
SLARFG  1
SLARFX  3
SLASET  1
SSCAL   2
XERBLA  1