diff armadillo-3.900.4/include/armadillo_bits/Gen_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
author Chris Cannam
date Thu, 13 Jun 2013 10:25:24 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/armadillo-3.900.4/include/armadillo_bits/Gen_meat.hpp	Thu Jun 13 10:25:24 2013 +0100
@@ -0,0 +1,310 @@
+// Copyright (C) 2011-2013 NICTA (www.nicta.com.au)
+// Copyright (C) 2011-2013 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 Gen
+//! @{
+
+
+
+template<typename T1, typename gen_type>
+arma_inline
+Gen<T1, gen_type>::Gen(const uword in_n_rows, const uword in_n_cols)
+  : n_rows(in_n_rows)
+  , n_cols(in_n_cols)
+  {
+  arma_extra_debug_sigprint();
+  }
+
+
+
+template<typename T1, typename gen_type>
+arma_inline
+Gen<T1, gen_type>::~Gen()
+  {
+  arma_extra_debug_sigprint();
+  }
+
+
+
+template<typename T1, typename gen_type>
+arma_inline
+typename T1::elem_type
+Gen<T1, gen_type>::generate()
+  {
+  typedef typename T1::elem_type eT;
+  
+       if(is_same_type<gen_type, gen_ones_full>::value == true) { return eT(1);                   }
+  else if(is_same_type<gen_type, gen_zeros    >::value == true) { return eT(0);                   }
+  else if(is_same_type<gen_type, gen_randu    >::value == true) { return eT(eop_aux_randu<eT>()); }
+  else if(is_same_type<gen_type, gen_randn    >::value == true) { return eT(eop_aux_randn<eT>()); }
+  else                                                          { return eT();                    }
+  }
+
+
+
+template<typename T1, typename gen_type>
+arma_inline
+typename T1::elem_type
+Gen<T1, gen_type>::operator[](const uword ii) const
+  {
+  typedef typename T1::elem_type eT;
+  
+  if(is_same_type<gen_type, gen_ones_diag>::value == true)
+    {
+    return ((ii % n_rows) == (ii / n_rows)) ? eT(1) : eT(0);
+    }
+  else
+    {
+    return Gen<T1, gen_type>::generate();
+    }
+  }
+
+
+
+template<typename T1, typename gen_type>
+arma_inline
+typename T1::elem_type
+Gen<T1, gen_type>::at(const uword row, const uword col) const
+  {
+  typedef typename T1::elem_type eT;
+  
+  if(is_same_type<gen_type, gen_ones_diag>::value == true)
+    {
+    return (row == col) ? eT(1) : eT(0);
+    }
+  else
+    {
+    return Gen<T1, gen_type>::generate();
+    }
+  }
+
+
+
+template<typename T1, typename gen_type>
+arma_inline
+typename T1::elem_type
+Gen<T1, gen_type>::at_alt(const uword ii) const
+  {
+  return operator[](ii);
+  }
+
+
+
+template<typename T1, typename gen_type>
+inline
+void
+Gen<T1, gen_type>::apply(Mat<typename T1::elem_type>& out) const
+  {
+  arma_extra_debug_sigprint();
+  
+  // NOTE: we're assuming that the matrix has already been set to the correct size;
+  // this is done by either the Mat contructor or operator=()
+  
+       if(is_same_type<gen_type, gen_ones_diag>::value == true) { out.eye();   }
+  else if(is_same_type<gen_type, gen_ones_full>::value == true) { out.ones();  }
+  else if(is_same_type<gen_type, gen_zeros    >::value == true) { out.zeros(); }
+  else if(is_same_type<gen_type, gen_randu    >::value == true) { out.randu(); }
+  else if(is_same_type<gen_type, gen_randn    >::value == true) { out.randn(); }
+  }
+
+
+
+template<typename T1, typename gen_type>
+inline
+void
+Gen<T1, gen_type>::apply_inplace_plus(Mat<typename T1::elem_type>& out) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_assert_same_size(out.n_rows, out.n_cols, n_rows, n_cols, "addition");
+  
+  typedef typename T1::elem_type eT;
+  
+  
+  if(is_same_type<gen_type, gen_ones_diag>::value == true)
+    {
+    const uword N = (std::min)(n_rows, n_cols);
+    
+    for(uword iq=0; iq < N; ++iq)
+      {
+      out.at(iq,iq) += eT(1);
+      }
+    }
+  else
+    {
+          eT*   out_mem = out.memptr();
+    const uword n_elem  = out.n_elem;
+    
+    uword iq,jq;
+    for(iq=0, jq=1; jq < n_elem; iq+=2, jq+=2)
+      {
+      const eT tmp_i = Gen<T1, gen_type>::generate();
+      const eT tmp_j = Gen<T1, gen_type>::generate();
+      
+      out_mem[iq] += tmp_i;
+      out_mem[jq] += tmp_j;
+      }
+    
+    if(iq < n_elem)
+      {
+      out_mem[iq] += Gen<T1, gen_type>::generate();
+      }
+    }
+  
+  }
+
+
+
+
+template<typename T1, typename gen_type>
+inline
+void
+Gen<T1, gen_type>::apply_inplace_minus(Mat<typename T1::elem_type>& out) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_assert_same_size(out.n_rows, out.n_cols, n_rows, n_cols, "subtraction");
+  
+  typedef typename T1::elem_type eT;
+  
+  
+  if(is_same_type<gen_type, gen_ones_diag>::value == true)
+    {
+    const uword N = (std::min)(n_rows, n_cols);
+    
+    for(uword iq=0; iq < N; ++iq)
+      {
+      out.at(iq,iq) -= eT(1);
+      }
+    }
+  else
+    {
+          eT*   out_mem = out.memptr();
+    const uword n_elem  = out.n_elem;
+    
+    uword iq,jq;
+    for(iq=0, jq=1; jq < n_elem; iq+=2, jq+=2)
+      {
+      const eT tmp_i = Gen<T1, gen_type>::generate();
+      const eT tmp_j = Gen<T1, gen_type>::generate();
+      
+      out_mem[iq] -= tmp_i;
+      out_mem[jq] -= tmp_j;
+      }
+    
+    if(iq < n_elem)
+      {
+      out_mem[iq] -= Gen<T1, gen_type>::generate();
+      }
+    }
+  
+  }
+
+
+
+
+template<typename T1, typename gen_type>
+inline
+void
+Gen<T1, gen_type>::apply_inplace_schur(Mat<typename T1::elem_type>& out) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_assert_same_size(out.n_rows, out.n_cols, n_rows, n_cols, "element-wise multiplication");
+  
+  typedef typename T1::elem_type eT;
+  
+  
+  if(is_same_type<gen_type, gen_ones_diag>::value == true)
+    {
+    const uword N = (std::min)(n_rows, n_cols);
+    
+    for(uword iq=0; iq < N; ++iq)
+      {
+      for(uword row=0;    row < iq;     ++row) { out.at(row,iq) = eT(0); }
+      for(uword row=iq+1; row < n_rows; ++row) { out.at(row,iq) = eT(0); }
+      }
+    }
+  else
+    {
+          eT*   out_mem = out.memptr();
+    const uword n_elem  = out.n_elem;
+    
+    uword iq,jq;
+    for(iq=0, jq=1; jq < n_elem; iq+=2, jq+=2)
+      {
+      const eT tmp_i = Gen<T1, gen_type>::generate();
+      const eT tmp_j = Gen<T1, gen_type>::generate();
+      
+      out_mem[iq] *= tmp_i;
+      out_mem[jq] *= tmp_j;
+      }
+    
+    if(iq < n_elem)
+      {
+      out_mem[iq] *= Gen<T1, gen_type>::generate();
+      }
+    }
+  
+  }
+
+
+
+
+template<typename T1, typename gen_type>
+inline
+void
+Gen<T1, gen_type>::apply_inplace_div(Mat<typename T1::elem_type>& out) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_assert_same_size(out.n_rows, out.n_cols, n_rows, n_cols, "element-wise division");
+  
+  typedef typename T1::elem_type eT;
+  
+  
+  if(is_same_type<gen_type, gen_ones_diag>::value == true)
+    {
+    const uword N = (std::min)(n_rows, n_cols);
+    
+    for(uword iq=0; iq < N; ++iq)
+      {
+      const eT zero = eT(0);
+      
+      for(uword row=0;    row < iq;     ++row) { out.at(row,iq) /= zero; }
+      for(uword row=iq+1; row < n_rows; ++row) { out.at(row,iq) /= zero; }
+      }
+    }
+  else
+    {
+          eT*   out_mem = out.memptr();
+    const uword n_elem  = out.n_elem;
+    
+    uword iq,jq;
+    for(iq=0, jq=1; jq < n_elem; iq+=2, jq+=2)
+      {
+      const eT tmp_i = Gen<T1, gen_type>::generate();
+      const eT tmp_j = Gen<T1, gen_type>::generate();
+      
+      out_mem[iq] /= tmp_i;
+      out_mem[jq] /= tmp_j;
+      }
+    
+    if(iq < n_elem)
+      {
+      out_mem[iq] /= Gen<T1, gen_type>::generate();
+      }
+    }
+  
+  }
+
+
+
+
+//! @}
+