BOOST_FORCEINLINE result_type operator()( A0& a, A1& b, A2& alpha, A3& beta, A4& vr, A5& vl) const
{
result_type info = 0;
char jobvr = 'V';
char jobvl = 'V';
details::workspace<typename A0::value_type> wk;
nt2_la_int n = nt2::width(a);
BOOST_ASSERT_MSG( (n == nt2_la_int(nt2::height(a)))
&&(n == nt2_la_int(nt2::height(b))) , "inputs must be square");
nt2_la_int lda = nt2::max(a.leading_size(), One<size_t>());
nt2_la_int ldb = nt2::max(b.leading_size(), One<size_t>());
nt2_la_int ldvl = n;
nt2_la_int ldvr = n;
NT2_F77NAME(zggev) ( &jobvl, &jobvr
, &n
, 0 /*a*/, &lda
, 0 /*b*/, &ldb
, 0/*alpha*/
, 0/*beta*/
, 0/*vl*/, &ldvl
, 0/*vr*/, &ldvr
, wk.main(), details::query()
, wk.reals()
, &info);
info = nt2::ggev_wvrvl(a, b, alpha, beta, vr, vl, wk);
return info;
}
BOOST_FORCEINLINE
void inverse(T1& ip) const
{
T1 inv(of_size(1, numel(ip)));
inv(ip) = nt2::_(nt2_la_int(1), nt2_la_int(numel(ip)));
assign_swap(ip, inv);
}
BOOST_FORCEINLINE
void construct_ip(T1& ls, T2& ips, size_t h) const
{
std::size_t d = nt2::numel(ls);
ips = nt2::_(nt2_la_int(1), nt2_la_int(h));
for(std::size_t i = d; i >= 1; --i)
{
std::swap(ips(i), ips(ls(i)));
}
}
BOOST_FORCEINLINE result_type operator()( A0& a, A1& scale
, A2& ilo, A3& ihi, C0 job) const
{
result_type info;
nt2_la_int n = nt2::width(a);
BOOST_ASSERT_MSG(n == nt2_la_int(nt2::height(a)), "input must be square");
nt2_la_int lda = nt2::max(a.leading_size(), One<size_t>());
NT2_F77NAME(cgebal) (&job, &n
, a.raw(), &lda
, &ilo, &ihi
, scale.raw(), &info);
return info;
}
BOOST_FORCEINLINE result_type operator()( A0& a, A1& w) const
{
char jobvl = 'N';
char jobvr = 'N';
result_type info = 0;
details::workspace<typename A0::value_type> wk;
nt2_la_int n = nt2::width(a);
BOOST_ASSERT_MSG(n == nt2_la_int(nt2::height(a)), "input must be square");
nt2_la_int lda = nt2::max(a.leading_size(), One<size_t>());
nt2_la_int ldvl = 1;
nt2_la_int ldvr = 1;
NT2_F77NAME(cgeev) ( &jobvl, &jobvr
, &n
, 0 /*a*/, &lda
, 0 /*w*/
, 0 /*vl*/, &ldvl
, 0 /*vr*/, &ldvr
, wk.main(), details::query()
, wk.reals()
, &info);
info = nt2::geev_w(a, w, wk);
return info;
}