dselect : call-back function
a : input rank-2 array(‘d’) with bounds (lda,*)
b : input rank-2 array(‘d’) with bounds (ldb,*)
Optional arguments:
jobvsl := 1 input int
jobvsr := 1 input int
sort_t := 0 input int
dselect_extra_args := () input tuple
overwrite_a := 0 input int
overwrite_b := 0 input int
ldvsl := ((jobvsl==1)?n:1) input int
ldvsr := ((jobvsr==1)?n:1) input int
lwork := 8*n+16 input int
Return objects:
a : rank-2 array(‘d’) with bounds (lda,*)
b : rank-2 array(‘d’) with bounds (ldb,*)
sdim : int
alphar : rank-1 array(‘d’) with bounds (n)
alphai : rank-1 array(‘d’) with bounds (n)
beta : rank-1 array(‘d’) with bounds (n)
vsl : rank-2 array(‘d’) with bounds (ldvsl,n)
vsr : rank-2 array(‘d’) with bounds (ldvsr,n)
work : rank-1 array(‘d’) with bounds (MAX(lwork,1))
info : int