summaryrefslogtreecommitdiffstats
path: root/src/armadillo/include/armadillo_bits/SpBase_meat.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/armadillo/include/armadillo_bits/SpBase_meat.hpp')
-rw-r--r--src/armadillo/include/armadillo_bits/SpBase_meat.hpp883
1 files changed, 883 insertions, 0 deletions
diff --git a/src/armadillo/include/armadillo_bits/SpBase_meat.hpp b/src/armadillo/include/armadillo_bits/SpBase_meat.hpp
new file mode 100644
index 0000000..4ebc424
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/SpBase_meat.hpp
@@ -0,0 +1,883 @@
+// 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 SpBase
+//! @{
+
+
+
+template<typename elem_type, typename derived>
+arma_inline
+const derived&
+SpBase<elem_type,derived>::get_ref() const
+ {
+ return static_cast<const derived&>(*this);
+ }
+
+
+
+template<typename elem_type, typename derived>
+arma_inline
+bool
+SpBase<elem_type,derived>::is_alias(const SpMat<elem_type>& X) const
+ {
+ return (*this).get_ref().is_alias(X);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+const SpOp<derived, spop_htrans>
+SpBase<elem_type,derived>::t() const
+ {
+ return SpOp<derived,spop_htrans>( (*this).get_ref() );
+ }
+
+
+template<typename elem_type, typename derived>
+inline
+const SpOp<derived, spop_htrans>
+SpBase<elem_type,derived>::ht() const
+ {
+ return SpOp<derived, spop_htrans>( (*this).get_ref() );
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+const SpOp<derived, spop_strans>
+SpBase<elem_type,derived>::st() const
+ {
+ return SpOp<derived, spop_strans>( (*this).get_ref() );
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+void
+SpBase<elem_type,derived>::print(const std::string extra_text) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ if(extra_text.length() != 0)
+ {
+ const std::streamsize orig_width = get_cout_stream().width();
+
+ get_cout_stream() << extra_text << '\n';
+
+ get_cout_stream().width(orig_width);
+ }
+
+ arma_ostream::print(get_cout_stream(), tmp.M, true);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+void
+SpBase<elem_type,derived>::print(std::ostream& user_stream, const std::string extra_text) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ if(extra_text.length() != 0)
+ {
+ const std::streamsize orig_width = user_stream.width();
+
+ user_stream << extra_text << '\n';
+
+ user_stream.width(orig_width);
+ }
+
+ arma_ostream::print(user_stream, tmp.M, true);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+void
+SpBase<elem_type,derived>::raw_print(const std::string extra_text) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ if(extra_text.length() != 0)
+ {
+ const std::streamsize orig_width = get_cout_stream().width();
+
+ get_cout_stream() << extra_text << '\n';
+
+ get_cout_stream().width(orig_width);
+ }
+
+ arma_ostream::print(get_cout_stream(), tmp.M, false);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+void
+SpBase<elem_type,derived>::raw_print(std::ostream& user_stream, const std::string extra_text) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ if(extra_text.length() != 0)
+ {
+ const std::streamsize orig_width = user_stream.width();
+
+ user_stream << extra_text << '\n';
+
+ user_stream.width(orig_width);
+ }
+
+ arma_ostream::print(user_stream, tmp.M, false);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+void
+SpBase<elem_type, derived>::print_dense(const std::string extra_text) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ if(extra_text.length() != 0)
+ {
+ const std::streamsize orig_width = get_cout_stream().width();
+
+ get_cout_stream() << extra_text << '\n';
+
+ get_cout_stream().width(orig_width);
+ }
+
+ arma_ostream::print_dense(get_cout_stream(), tmp.M, true);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+void
+SpBase<elem_type, derived>::print_dense(std::ostream& user_stream, const std::string extra_text) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ if(extra_text.length() != 0)
+ {
+ const std::streamsize orig_width = user_stream.width();
+
+ user_stream << extra_text << '\n';
+
+ user_stream.width(orig_width);
+ }
+
+ arma_ostream::print_dense(user_stream, tmp.M, true);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+void
+SpBase<elem_type, derived>::raw_print_dense(const std::string extra_text) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ if(extra_text.length() != 0)
+ {
+ const std::streamsize orig_width = get_cout_stream().width();
+
+ get_cout_stream() << extra_text << '\n';
+
+ get_cout_stream().width(orig_width);
+ }
+
+ arma_ostream::print_dense(get_cout_stream(), tmp.M, false);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+void
+SpBase<elem_type, derived>::raw_print_dense(std::ostream& user_stream, const std::string extra_text) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ if(extra_text.length() != 0)
+ {
+ const std::streamsize orig_width = user_stream.width();
+
+ user_stream << extra_text << '\n';
+
+ user_stream.width(orig_width);
+ }
+
+ arma_ostream::print_dense(user_stream, tmp.M, false);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+void
+SpBase<elem_type,derived>::brief_print(const std::string extra_text) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ if(extra_text.length() != 0)
+ {
+ const std::streamsize orig_width = get_cout_stream().width();
+
+ get_cout_stream() << extra_text << '\n';
+
+ get_cout_stream().width(orig_width);
+ }
+
+ arma_ostream::brief_print(get_cout_stream(), tmp.M);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+void
+SpBase<elem_type,derived>::brief_print(std::ostream& user_stream, const std::string extra_text) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ if(extra_text.length() != 0)
+ {
+ const std::streamsize orig_width = user_stream.width();
+
+ user_stream << extra_text << '\n';
+
+ user_stream.width(orig_width);
+ }
+
+ arma_ostream::brief_print(user_stream, tmp.M);
+ }
+
+
+
+//
+// extra functions defined in SpBase_eval_SpMat
+
+template<typename elem_type, typename derived>
+inline
+const derived&
+SpBase_eval_SpMat<elem_type, derived>::eval() const
+ {
+ arma_extra_debug_sigprint();
+
+ return static_cast<const derived&>(*this);
+ }
+
+
+
+//
+// extra functions defined in SpBase_eval_expr
+
+template<typename elem_type, typename derived>
+inline
+SpMat<elem_type>
+SpBase_eval_expr<elem_type, derived>::eval() const
+ {
+ arma_extra_debug_sigprint();
+
+ return SpMat<elem_type>( static_cast<const derived&>(*this) );
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+elem_type
+SpBase<elem_type, derived>::min() const
+ {
+ return spop_min::min( (*this).get_ref() );
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+elem_type
+SpBase<elem_type, derived>::max() const
+ {
+ return spop_max::max( (*this).get_ref() );
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+elem_type
+SpBase<elem_type, derived>::min(uword& index_of_min_val) const
+ {
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ return spop_min::min_with_index(P, index_of_min_val);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+elem_type
+SpBase<elem_type, derived>::max(uword& index_of_max_val) const
+ {
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ return spop_max::max_with_index(P, index_of_max_val);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+elem_type
+SpBase<elem_type, derived>::min(uword& row_of_min_val, uword& col_of_min_val) const
+ {
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ uword index = 0;
+
+ const elem_type val = spop_min::min_with_index(P, index);
+
+ const uword local_n_rows = P.get_n_rows();
+
+ row_of_min_val = index % local_n_rows;
+ col_of_min_val = index / local_n_rows;
+
+ return val;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+elem_type
+SpBase<elem_type, derived>::max(uword& row_of_max_val, uword& col_of_max_val) const
+ {
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ uword index = 0;
+
+ const elem_type val = spop_max::max_with_index(P, index);
+
+ const uword local_n_rows = P.get_n_rows();
+
+ row_of_max_val = index % local_n_rows;
+ col_of_max_val = index / local_n_rows;
+
+ return val;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+uword
+SpBase<elem_type,derived>::index_min() const
+ {
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ uword index = 0;
+
+ if(P.get_n_elem() == 0)
+ {
+ arma_debug_check(true, "index_min(): object has no elements");
+ }
+ else
+ {
+ spop_min::min_with_index(P, index);
+ }
+
+ return index;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+uword
+SpBase<elem_type,derived>::index_max() const
+ {
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ uword index = 0;
+
+ if(P.get_n_elem() == 0)
+ {
+ arma_debug_check(true, "index_max(): object has no elements");
+ }
+ else
+ {
+ spop_max::max_with_index(P, index);
+ }
+
+ return index;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_symmetric() const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ return tmp.M.is_symmetric();
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_symmetric(const typename get_pod_type<elem_type>::result tol) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ return tmp.M.is_symmetric(tol);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_hermitian() const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ return tmp.M.is_hermitian();
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_hermitian(const typename get_pod_type<elem_type>::result tol) const
+ {
+ arma_extra_debug_sigprint();
+
+ const unwrap_spmat<derived> tmp( (*this).get_ref() );
+
+ return tmp.M.is_hermitian(tol);
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_zero(const typename get_pod_type<elem_type>::result tol) const
+ {
+ arma_extra_debug_sigprint();
+
+ typedef typename get_pod_type<elem_type>::result T;
+
+ arma_debug_check( (tol < T(0)), "is_zero(): parameter 'tol' must be >= 0" );
+
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ if(P.get_n_elem() == 0) { return false; }
+
+ if(P.get_n_nonzero() == 0) { return true; }
+
+ if(is_SpMat<typename SpProxy<derived>::stored_type>::value)
+ {
+ const unwrap_spmat<typename SpProxy<derived>::stored_type> U(P.Q);
+
+ return arrayops::is_zero(U.M.values, U.M.n_nonzero, tol);
+ }
+
+ typename SpProxy<derived>::const_iterator_type it = P.begin();
+ typename SpProxy<derived>::const_iterator_type it_end = P.end();
+
+ if(is_cx<elem_type>::yes)
+ {
+ while(it != it_end)
+ {
+ const elem_type val = (*it);
+
+ const T val_real = access::tmp_real(val);
+ const T val_imag = access::tmp_imag(val);
+
+ if(eop_aux::arma_abs(val_real) > tol) { return false; }
+ if(eop_aux::arma_abs(val_imag) > tol) { return false; }
+
+ ++it;
+ }
+ }
+ else // not complex
+ {
+ while(it != it_end)
+ {
+ if(eop_aux::arma_abs(*it) > tol) { return false; }
+
+ ++it;
+ }
+ }
+
+ return true;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_trimatu() const
+ {
+ arma_extra_debug_sigprint();
+
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ if(P.get_n_rows() != P.get_n_cols()) { return false; }
+
+ typename SpProxy<derived>::const_iterator_type it = P.begin();
+ typename SpProxy<derived>::const_iterator_type it_end = P.end();
+
+ while(it != it_end)
+ {
+ if(it.row() > it.col()) { return false; }
+ ++it;
+ }
+
+ return true;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_trimatl() const
+ {
+ arma_extra_debug_sigprint();
+
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ if(P.get_n_rows() != P.get_n_cols()) { return false; }
+
+ typename SpProxy<derived>::const_iterator_type it = P.begin();
+ typename SpProxy<derived>::const_iterator_type it_end = P.end();
+
+ while(it != it_end)
+ {
+ if(it.row() < it.col()) { return false; }
+ ++it;
+ }
+
+ return true;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_diagmat() const
+ {
+ arma_extra_debug_sigprint();
+
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ typename SpProxy<derived>::const_iterator_type it = P.begin();
+ typename SpProxy<derived>::const_iterator_type it_end = P.end();
+
+ while(it != it_end)
+ {
+ if(it.row() != it.col()) { return false; }
+ ++it;
+ }
+
+ return true;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_empty() const
+ {
+ arma_extra_debug_sigprint();
+
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ return (P.get_n_elem() == uword(0));
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_square() const
+ {
+ arma_extra_debug_sigprint();
+
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ return (P.get_n_rows() == P.get_n_cols());
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_vec() const
+ {
+ arma_extra_debug_sigprint();
+
+ if( (SpProxy<derived>::is_row) || (SpProxy<derived>::is_col) || (SpProxy<derived>::is_xvec) ) { return true; }
+
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ return ( (P.get_n_rows() == uword(1)) || (P.get_n_cols() == uword(1)) );
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_colvec() const
+ {
+ arma_extra_debug_sigprint();
+
+ if(SpProxy<derived>::is_col) { return true; }
+
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ return (P.get_n_cols() == uword(1));
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_rowvec() const
+ {
+ arma_extra_debug_sigprint();
+
+ if(SpProxy<derived>::is_row) { return true; }
+
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ return (P.get_n_rows() == uword(1));
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::is_finite() const
+ {
+ arma_extra_debug_sigprint();
+
+ if(arma_config::fast_math_warn) { arma_debug_warn_level(1, "is_finite(): detection of non-finite values is not reliable in fast math mode"); }
+
+ if(is_SpMat<typename SpProxy<derived>::stored_type>::value)
+ {
+ const unwrap_spmat<derived> U( (*this).get_ref() );
+
+ return U.M.internal_is_finite();
+ }
+ else
+ {
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ typename SpProxy<derived>::const_iterator_type it = P.begin();
+ typename SpProxy<derived>::const_iterator_type it_end = P.end();
+
+ while(it != it_end)
+ {
+ if(arma_isfinite(*it) == false) { return false; }
+ ++it;
+ }
+ }
+
+ return true;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::has_inf() const
+ {
+ arma_extra_debug_sigprint();
+
+ if(arma_config::fast_math_warn) { arma_debug_warn_level(1, "has_inf(): detection of non-finite values is not reliable in fast math mode"); }
+
+ if(is_SpMat<typename SpProxy<derived>::stored_type>::value)
+ {
+ const unwrap_spmat<derived> U( (*this).get_ref() );
+
+ return U.M.internal_has_inf();
+ }
+ else
+ {
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ typename SpProxy<derived>::const_iterator_type it = P.begin();
+ typename SpProxy<derived>::const_iterator_type it_end = P.end();
+
+ while(it != it_end)
+ {
+ if(arma_isinf(*it)) { return true; }
+ ++it;
+ }
+ }
+
+ return false;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::has_nan() const
+ {
+ arma_extra_debug_sigprint();
+
+ if(arma_config::fast_math_warn) { arma_debug_warn_level(1, "has_nan(): detection of non-finite values is not reliable in fast math mode"); }
+
+ if(is_SpMat<typename SpProxy<derived>::stored_type>::value)
+ {
+ const unwrap_spmat<derived> U( (*this).get_ref() );
+
+ return U.M.internal_has_nan();
+ }
+ else
+ {
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ typename SpProxy<derived>::const_iterator_type it = P.begin();
+ typename SpProxy<derived>::const_iterator_type it_end = P.end();
+
+ while(it != it_end)
+ {
+ if(arma_isnan(*it)) { return true; }
+ ++it;
+ }
+ }
+
+ return false;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+bool
+SpBase<elem_type,derived>::has_nonfinite() const
+ {
+ arma_extra_debug_sigprint();
+
+ if(arma_config::fast_math_warn) { arma_debug_warn_level(1, "has_nonfinite(): detection of non-finite values is not reliable in fast math mode"); }
+
+ if(is_SpMat<typename SpProxy<derived>::stored_type>::value)
+ {
+ const unwrap_spmat<derived> U( (*this).get_ref() );
+
+ return U.M.internal_has_nonfinite();
+ }
+ else
+ {
+ const SpProxy<derived> P( (*this).get_ref() );
+
+ typename SpProxy<derived>::const_iterator_type it = P.begin();
+ typename SpProxy<derived>::const_iterator_type it_end = P.end();
+
+ while(it != it_end)
+ {
+ if(arma_isfinite(*it) == false) { return true; }
+ ++it;
+ }
+ }
+
+ return false;
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+const SpOp<derived,spop_vectorise_col>
+SpBase<elem_type, derived>::as_col() const
+ {
+ return SpOp<derived,spop_vectorise_col>( (*this).get_ref() );
+ }
+
+
+
+template<typename elem_type, typename derived>
+inline
+const SpOp<derived,spop_vectorise_row>
+SpBase<elem_type, derived>::as_row() const
+ {
+ return SpOp<derived,spop_vectorise_row>( (*this).get_ref() );
+ }
+
+
+
+//! @}