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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_vecnorm
//! @{
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_type<T1>::value && resolves_to_vector<T1>::yes,
typename T1::pod_type
>::result
vecnorm
(
const T1& X,
const uword k = uword(2),
const arma_empty_class junk1 = arma_empty_class(),
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk2 = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk1);
arma_ignore(junk2);
typedef typename T1::pod_type T;
const Proxy<T1> P(X);
if(P.get_n_elem() == 0) { return T(0); }
if(k == uword(1)) { return op_norm::vec_norm_1(P); }
if(k == uword(2)) { return op_norm::vec_norm_2(P); }
arma_debug_check( (k == 0), "vecnorm(): unsupported vector norm type" );
return op_norm::vec_norm_k(P, int(k));
}
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_type<T1>::value && resolves_to_vector<T1>::no,
const mtOp<typename T1::pod_type, T1, op_vecnorm>
>::result
vecnorm
(
const T1& X,
const uword k = uword(2),
const arma_empty_class junk1 = arma_empty_class(),
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk2 = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk1);
arma_ignore(junk2);
const uword dim = 0;
return mtOp<typename T1::pod_type, T1, op_vecnorm>(X, k, dim);
}
template<typename T1>
arma_warn_unused
inline
const mtOp<typename T1::pod_type, T1, op_vecnorm>
vecnorm
(
const Base<typename T1::elem_type,T1>& X,
const uword k,
const uword dim,
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk);
return mtOp<typename T1::pod_type, T1, op_vecnorm>(X.get_ref(), k, dim);
}
//
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_type<T1>::value && resolves_to_vector<T1>::yes,
typename T1::pod_type
>::result
vecnorm
(
const T1& X,
const char* method,
const arma_empty_class junk1 = arma_empty_class(),
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk2 = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk1);
arma_ignore(junk2);
typedef typename T1::pod_type T;
const Proxy<T1> P(X);
if(P.get_n_elem() == 0) { return T(0); }
const char sig = (method != nullptr) ? method[0] : char(0);
if( (sig == 'i') || (sig == 'I') || (sig == '+') ) { return op_norm::vec_norm_max(P); }
if( (sig == '-') ) { return op_norm::vec_norm_min(P); }
arma_stop_logic_error("vecnorm(): unsupported vector norm type");
return T(0);
}
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_type<T1>::value && resolves_to_vector<T1>::no,
const mtOp<typename T1::pod_type, T1, op_vecnorm_ext>
>::result
vecnorm
(
const T1& X,
const char* method,
const arma_empty_class junk1 = arma_empty_class(),
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk2 = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk1);
arma_ignore(junk2);
const char sig = (method != nullptr) ? method[0] : char(0);
uword method_id = 0;
if( (sig == 'i') || (sig == 'I') || (sig == '+') ) { method_id = 1; }
if( (sig == '-') ) { method_id = 2; }
const uword dim = 0;
return mtOp<typename T1::pod_type, T1, op_vecnorm_ext>(X, method_id, dim);
}
template<typename T1>
arma_warn_unused
inline
const mtOp<typename T1::pod_type, T1, op_vecnorm_ext>
vecnorm
(
const Base<typename T1::elem_type,T1>& X,
const char* method,
const uword dim,
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk);
const char sig = (method != nullptr) ? method[0] : char(0);
uword method_id = 0;
if( (sig == 'i') || (sig == 'I') || (sig == '+') ) { method_id = 1; }
if( (sig == '-') ) { method_id = 2; }
return mtOp<typename T1::pod_type, T1, op_vecnorm_ext>(X.get_ref(), method_id, dim);
}
//
// norms for sparse matrices
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_sparse_type<T1>::value && resolves_to_sparse_vector<T1>::yes,
typename T1::pod_type
>::result
vecnorm
(
const T1& X,
const uword k = uword(2),
const arma_empty_class junk1 = arma_empty_class(),
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk2 = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk1);
arma_ignore(junk2);
return arma::norm(X, k);
}
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_sparse_type<T1>::value && resolves_to_sparse_vector<T1>::no,
const mtSpOp<typename T1::pod_type, T1, spop_vecnorm>
>::result
vecnorm
(
const T1& X,
const uword k = uword(2),
const arma_empty_class junk1 = arma_empty_class(),
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk2 = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk1);
arma_ignore(junk2);
const uword dim = 0;
return mtSpOp<typename T1::pod_type, T1, spop_vecnorm>(X, k, dim);
}
template<typename T1>
arma_warn_unused
inline
const mtSpOp<typename T1::pod_type, T1, spop_vecnorm>
vecnorm
(
const SpBase<typename T1::elem_type,T1>& X,
const uword k,
const uword dim,
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk);
return mtSpOp<typename T1::pod_type, T1, spop_vecnorm>(X.get_ref(), k, dim);
}
//
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_sparse_type<T1>::value && resolves_to_sparse_vector<T1>::yes,
typename T1::pod_type
>::result
vecnorm
(
const T1& X,
const char* method,
const arma_empty_class junk1 = arma_empty_class(),
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk2 = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk1);
arma_ignore(junk2);
return arma::norm(X, method);
}
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_sparse_type<T1>::value && resolves_to_sparse_vector<T1>::no,
const mtSpOp<typename T1::pod_type, T1, spop_vecnorm_ext>
>::result
vecnorm
(
const T1& X,
const char* method,
const arma_empty_class junk1 = arma_empty_class(),
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk2 = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk1);
arma_ignore(junk2);
const char sig = (method != nullptr) ? method[0] : char(0);
uword method_id = 0;
if( (sig == 'i') || (sig == 'I') || (sig == '+') ) { method_id = 1; }
if( (sig == '-') ) { method_id = 2; }
const uword dim = 0;
return mtSpOp<typename T1::pod_type, T1, spop_vecnorm_ext>(X, method_id, dim);
}
template<typename T1>
arma_warn_unused
inline
const mtSpOp<typename T1::pod_type, T1, spop_vecnorm_ext>
vecnorm
(
const SpBase<typename T1::elem_type,T1>& X,
const char* method,
const uword dim,
const typename arma_real_or_cx_only<typename T1::elem_type>::result* junk = nullptr
)
{
arma_extra_debug_sigprint();
arma_ignore(junk);
const char sig = (method != nullptr) ? method[0] : char(0);
uword method_id = 0;
if( (sig == 'i') || (sig == 'I') || (sig == '+') ) { method_id = 1; }
if( (sig == '-') ) { method_id = 2; }
return mtSpOp<typename T1::pod_type, T1, spop_vecnorm_ext>(X.get_ref(), method_id, dim);
}
//! @}
|
