comparison armadillo-3.900.4/include/armadillo_bits/spop_strans_meat.hpp @ 49:1ec0e2823891

Switch to using subrepo copies of qm-dsp, nnls-chroma, vamp-plugin-sdk; update Armadillo version; assume build without external BLAS/LAPACK

+// Copyright (C) 2012 Ryan Curtin
+// Copyright (C) 2012 Conrad Sanderson
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+//! \addtogroup spop_strans
+//! @{
+
+
+
+template<typename T1>
+arma_hot
+inline
+void
+spop_strans::apply_proxy(SpMat<typename T1::elem_type>& out, const T1& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  const SpProxy<T1> p(X);
+  
+  if(p.is_alias(out) == false)
+    {
+    out.set_size( p.get_n_cols(), p.get_n_rows() );
+    
+    out.mem_resize(p.get_n_nonzero());
+    
+    typename SpProxy<T1>::const_row_iterator_type it = p.begin_row();
+    
+    while(it.pos() < p.get_n_nonzero())
+      {
+      access::rw(out.values[it.pos()]) = (*it);
+      access::rw(out.row_indices[it.pos()]) = it.col(); // transpose
+      ++access::rw(out.col_ptrs[it.row() + 1]);
+      
+      ++it;
+      }
+    
+    // Fix column pointers.
+    const uword out_n_cols = out.n_cols;
+    
+    for(uword c = 1; c <= out_n_cols; ++c)
+      {
+      access::rw(out.col_ptrs[c]) += out.col_ptrs[c - 1];
+      }
+    }
+  else
+    {
+    SpMat<typename T1::elem_type> result( p.get_n_cols(), p.get_n_rows() );
+    
+    result.mem_resize(p.get_n_nonzero());
+    
+    typename SpProxy<T1>::const_row_iterator_type it = p.begin_row();
+    
+    while(it.pos() < p.get_n_nonzero())
+      {
+      access::rw(result.values[it.pos()]) = (*it);
+      access::rw(result.row_indices[it.pos()]) = it.col(); // transpose
+      ++access::rw(result.col_ptrs[it.row() + 1]);
+      
+      ++it;
+      }
+    
+    // Fix column pointers.
+    const uword result_n_cols = result.n_cols;
+    
+    for(uword c = 1; c <= result_n_cols; ++c)
+      {
+      access::rw(result.col_ptrs[c]) += result.col_ptrs[c - 1];
+      }
+    
+    out.steal_mem(result);
+    }
+  }
+
+
+
+template<typename T1>
+arma_hot
+inline
+void
+spop_strans::apply(SpMat<typename T1::elem_type>& out, const SpOp<T1,spop_strans>& in)
+  {
+  arma_extra_debug_sigprint();
+  
+  spop_strans::apply_proxy(out, in.m);
+  }
+
+
+
+//! @}