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// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2008-2016 National ICT Australia (NICTA)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------
//! \addtogroup fn_det
//! @{
template<typename T1>
arma_warn_unused
inline
typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, typename T1::elem_type >::result
det(const Base<typename T1::elem_type,T1>& X)
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
eT out_val = eT(0);
const bool status = op_det::apply_direct(out_val, X.get_ref());
if(status == false)
{
out_val = eT(0);
arma_stop_runtime_error("det(): failed to find determinant");
}
return out_val;
}
template<typename T1>
inline
typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, bool >::result
det(typename T1::elem_type& out_val, const Base<typename T1::elem_type,T1>& X)
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
const bool status = op_det::apply_direct(out_val, X.get_ref());
if(status == false)
{
out_val = eT(0);
arma_debug_warn_level(3, "det(): failed to find determinant");
}
return status;
}
template<typename T>
arma_warn_unused
arma_inline
typename arma_scalar_only<T>::result
det(const T& x)
{
return x;
}
//! @}
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