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& a0, A1& a1, A2& a2) const
{
result_type that;
nt2_la_int n = std::min(nt2::height(a0),nt2::width(a0));
nt2_la_int lda = n;
nt2_la_int nhrs = nt2::width(a2);
nt2_la_int ldb = a2.leading_size();
a1.resize(nt2::of_size(n,1));
magma_zgesv(n,nhrs,(cuDoubleComplex*)a0.raw(),lda,a1.raw()
,(cuDoubleComplex*)a2.raw(),ldb,&that);
return that;
}
BOOST_FORCEINLINE result_type operator()(A0 const& a0, A1 const&a1, A2 const& a2) const
{
result_type rcond;
nt2_la_int n = nt2::height(a0);
nt2_la_int ld = n;
nt2_la_int info;
char uplo = 'L';
nt2::memory::container<tag::table_, v_t, nt2::_2D> work(nt2::of_size(2*n,1));
NT2_F77NAME(zsycon) ( &uplo, &n, a0.raw(), &ld, a1.raw(), &a2, &rcond
, work.raw(), &info
);
return rcond;
}
