max@0: // Copyright (C) 2009-2011 NICTA (www.nicta.com.au)
max@0: // Copyright (C) 2009-2011 Conrad Sanderson
max@0: // 
max@0: // This file is part of the Armadillo C++ library.
max@0: // It is provided without any warranty of fitness
max@0: // for any purpose. You can redistribute this file
max@0: // and/or modify it under the terms of the GNU
max@0: // Lesser General Public License (LGPL) as published
max@0: // by the Free Software Foundation, either version 3
max@0: // of the License or (at your option) any later version.
max@0: // (see http://www.opensource.org/licenses for more info)
max@0: 
max@0: 
max@0: //! \addtogroup glue_mixed
max@0: //! @{
max@0: 
max@0: 
max@0: 
max@0: //! matrix multiplication with different element types
max@0: template<typename T1, typename T2>
max@0: inline
max@0: void
max@0: glue_mixed_times::apply(Mat<typename eT_promoter<T1,T2>::eT>& out, const mtGlue<typename eT_promoter<T1,T2>::eT, T1, T2, glue_mixed_times>& X)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT1;
max@0:   typedef typename T2::elem_type eT2;
max@0:   
max@0:   // TODO: extend the unwrap_check framework to handle mixed matrix types
max@0:   
max@0:   const unwrap<T1> tmp1(X.A);
max@0:   const unwrap<T2> tmp2(X.B);
max@0:   
max@0:   const Mat<eT1>& A = tmp1.M;
max@0:   const Mat<eT2>& B = tmp2.M;
max@0:   
max@0:   const bool A_is_alias = ( ((void *)&out) == ((void *)&A) );
max@0:   const bool B_is_alias = ( ((void *)&out) == ((void *)&B) );
max@0:   
max@0:   const Mat<eT1>* AA_ptr = A_is_alias ? new Mat<eT1>(A) : 0;
max@0:   const Mat<eT2>* BB_ptr = B_is_alias ? new Mat<eT2>(B) : 0;
max@0:   
max@0:   const Mat<eT1>& AA = A_is_alias ? *AA_ptr : A;
max@0:   const Mat<eT2>& BB = B_is_alias ? *BB_ptr : B;
max@0:   
max@0:   arma_debug_assert_mul_size(AA, BB, "multiplication");
max@0:   
max@0:   out.set_size(AA.n_rows, BB.n_cols);
max@0:   
max@0:   gemm_mixed<>::apply(out, AA, BB);
max@0:   
max@0:   if(A_is_alias == true)
max@0:     {
max@0:     delete AA_ptr;
max@0:     }
max@0:   
max@0:   if(B_is_alias == true)
max@0:     {
max@0:     delete BB_ptr;
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //! matrix addition with different element types
max@0: template<typename T1, typename T2>
max@0: inline
max@0: void
max@0: glue_mixed_plus::apply(Mat<typename eT_promoter<T1,T2>::eT>& out, const mtGlue<typename eT_promoter<T1,T2>::eT, T1, T2, glue_mixed_plus>& X)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT1;
max@0:   typedef typename T2::elem_type eT2;
max@0:   
max@0:   typedef typename promote_type<eT1,eT2>::result out_eT;
max@0:   
max@0:   promote_type<eT1,eT2>::check();
max@0:   
max@0:   const Proxy<T1> A(X.A);
max@0:   const Proxy<T2> B(X.B);
max@0:   
max@0:   arma_debug_assert_same_size(A, B, "addition");
max@0:   
max@0:   out.set_size(A.get_n_rows(), A.get_n_cols());
max@0:   
max@0:         out_eT* out_mem = out.memptr();
max@0:   const uword     n_elem  = out.n_elem;
max@0:   
max@0:   for(uword i=0; i<n_elem; ++i)
max@0:     {
max@0:     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) + upgrade_val<eT1,eT2>::apply(B[i]);
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //! matrix subtraction with different element types
max@0: template<typename T1, typename T2>
max@0: inline
max@0: void
max@0: glue_mixed_minus::apply(Mat<typename eT_promoter<T1,T2>::eT>& out, const mtGlue<typename eT_promoter<T1,T2>::eT, T1, T2, glue_mixed_minus>& X)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT1;
max@0:   typedef typename T2::elem_type eT2;
max@0:   
max@0:   typedef typename promote_type<eT1,eT2>::result out_eT;
max@0:   
max@0:   promote_type<eT1,eT2>::check();
max@0:   
max@0:   const Proxy<T1> A(X.A);
max@0:   const Proxy<T2> B(X.B);
max@0:   
max@0:   arma_debug_assert_same_size(A, B, "subtraction");
max@0:   
max@0:   out.set_size(A.get_n_rows(), A.get_n_cols());
max@0:   
max@0:         out_eT* out_mem = out.memptr();
max@0:   const uword     n_elem  = out.n_elem;
max@0:   
max@0:   for(uword i=0; i<n_elem; ++i)
max@0:     {
max@0:     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) - upgrade_val<eT1,eT2>::apply(B[i]);
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //! element-wise matrix division with different element types
max@0: template<typename T1, typename T2>
max@0: inline
max@0: void
max@0: glue_mixed_div::apply(Mat<typename eT_promoter<T1,T2>::eT>& out, const mtGlue<typename eT_promoter<T1,T2>::eT, T1, T2, glue_mixed_div>& X)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT1;
max@0:   typedef typename T2::elem_type eT2;
max@0:   
max@0:   typedef typename promote_type<eT1,eT2>::result out_eT;
max@0:   
max@0:   promote_type<eT1,eT2>::check();
max@0:   
max@0:   const Proxy<T1> A(X.A);
max@0:   const Proxy<T2> B(X.B);
max@0:   
max@0:   arma_debug_assert_same_size(A, B, "element-wise division");
max@0:   
max@0:   out.set_size(A.get_n_rows(), A.get_n_cols());
max@0:   
max@0:         out_eT* out_mem = out.memptr();
max@0:   const uword     n_elem  = out.n_elem;
max@0:   
max@0:   for(uword i=0; i<n_elem; ++i)
max@0:     {
max@0:     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) / upgrade_val<eT1,eT2>::apply(B[i]);
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //! element-wise matrix multiplication with different element types
max@0: template<typename T1, typename T2>
max@0: inline
max@0: void
max@0: glue_mixed_schur::apply(Mat<typename eT_promoter<T1,T2>::eT>& out, const mtGlue<typename eT_promoter<T1,T2>::eT, T1, T2, glue_mixed_schur>& X)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT1;
max@0:   typedef typename T2::elem_type eT2;
max@0:   
max@0:   typedef typename promote_type<eT1,eT2>::result out_eT;
max@0:   
max@0:   promote_type<eT1,eT2>::check();
max@0:   
max@0:   const Proxy<T1> A(X.A);
max@0:   const Proxy<T2> B(X.B);
max@0:   
max@0:   arma_debug_assert_same_size(A, B, "element-wise multiplication");
max@0:   
max@0:   out.set_size(A.get_n_rows(), A.get_n_cols());
max@0:   
max@0:         out_eT* out_mem = out.memptr();
max@0:   const uword     n_elem  = out.n_elem;
max@0:   
max@0:   for(uword i=0; i<n_elem; ++i)
max@0:     {
max@0:     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) * upgrade_val<eT1,eT2>::apply(B[i]);
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //
max@0: //
max@0: //
max@0: 
max@0: 
max@0: 
max@0: //! cube addition with different element types
max@0: template<typename T1, typename T2>
max@0: inline
max@0: void
max@0: glue_mixed_plus::apply(Cube<typename eT_promoter<T1,T2>::eT>& out, const mtGlueCube<typename eT_promoter<T1,T2>::eT, T1, T2, glue_mixed_plus>& X)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT1;
max@0:   typedef typename T2::elem_type eT2;
max@0:   
max@0:   typedef typename promote_type<eT1,eT2>::result out_eT;
max@0:   
max@0:   promote_type<eT1,eT2>::check();
max@0:   
max@0:   const ProxyCube<T1> A(X.A);
max@0:   const ProxyCube<T2> B(X.B);
max@0:   
max@0:   arma_debug_assert_same_size(A, B, "addition");
max@0:   
max@0:   out.set_size(A.get_n_rows(), A.get_n_cols(), A.get_n_slices());
max@0:   
max@0:         out_eT* out_mem = out.memptr();
max@0:   const uword     n_elem  = out.n_elem;
max@0:   
max@0:   for(uword i=0; i<n_elem; ++i)
max@0:     {
max@0:     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) + upgrade_val<eT1,eT2>::apply(B[i]);
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //! cube subtraction with different element types
max@0: template<typename T1, typename T2>
max@0: inline
max@0: void
max@0: glue_mixed_minus::apply(Cube<typename eT_promoter<T1,T2>::eT>& out, const mtGlueCube<typename eT_promoter<T1,T2>::eT, T1, T2, glue_mixed_minus>& X)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT1;
max@0:   typedef typename T2::elem_type eT2;
max@0:   
max@0:   typedef typename promote_type<eT1,eT2>::result out_eT;
max@0:   
max@0:   promote_type<eT1,eT2>::check();
max@0:   
max@0:   const ProxyCube<T1> A(X.A);
max@0:   const ProxyCube<T2> B(X.B);
max@0:   
max@0:   arma_debug_assert_same_size(A, B, "subtraction");
max@0:   
max@0:   out.set_size(A.get_n_rows(), A.get_n_cols(), A.get_n_slices());
max@0:   
max@0:         out_eT* out_mem = out.memptr();
max@0:   const uword     n_elem  = out.n_elem;
max@0:   
max@0:   for(uword i=0; i<n_elem; ++i)
max@0:     {
max@0:     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) - upgrade_val<eT1,eT2>::apply(B[i]);
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //! element-wise cube division with different element types
max@0: template<typename T1, typename T2>
max@0: inline
max@0: void
max@0: glue_mixed_div::apply(Cube<typename eT_promoter<T1,T2>::eT>& out, const mtGlueCube<typename eT_promoter<T1,T2>::eT, T1, T2, glue_mixed_div>& X)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT1;
max@0:   typedef typename T2::elem_type eT2;
max@0:   
max@0:   typedef typename promote_type<eT1,eT2>::result out_eT;
max@0:   
max@0:   promote_type<eT1,eT2>::check();
max@0:   
max@0:   const ProxyCube<T1> A(X.A);
max@0:   const ProxyCube<T2> B(X.B);
max@0:   
max@0:   arma_debug_assert_same_size(A, B, "element-wise division");
max@0:   
max@0:   out.set_size(A.get_n_rows(), A.get_n_cols(), A.get_n_slices());
max@0:   
max@0:         out_eT* out_mem = out.memptr();
max@0:   const uword     n_elem  = out.n_elem;
max@0:   
max@0:   for(uword i=0; i<n_elem; ++i)
max@0:     {
max@0:     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) / upgrade_val<eT1,eT2>::apply(B[i]);
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //! element-wise cube multiplication with different element types
max@0: template<typename T1, typename T2>
max@0: inline
max@0: void
max@0: glue_mixed_schur::apply(Cube<typename eT_promoter<T1,T2>::eT>& out, const mtGlueCube<typename eT_promoter<T1,T2>::eT, T1, T2, glue_mixed_schur>& X)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT1;
max@0:   typedef typename T2::elem_type eT2;
max@0:   
max@0:   typedef typename promote_type<eT1,eT2>::result out_eT;
max@0:   
max@0:   promote_type<eT1,eT2>::check();
max@0:   
max@0:   const ProxyCube<T1> A(X.A);
max@0:   const ProxyCube<T2> B(X.B);
max@0:   
max@0:   arma_debug_assert_same_size(A, B, "element-wise multiplication");
max@0:   
max@0:   out.set_size(A.get_n_rows(), A.get_n_cols(), A.get_n_slices());
max@0:   
max@0:         out_eT* out_mem = out.memptr();
max@0:   const uword     n_elem  = out.n_elem;
max@0:   
max@0:   for(uword i=0; i<n_elem; ++i)
max@0:     {
max@0:     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) * upgrade_val<eT1,eT2>::apply(B[i]);
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //! @}