Glue_mixed

Classes

class  glue_mixed_times
class  glue_mixed_plus
class  glue_mixed_minus
class  glue_mixed_div
class  glue_mixed_schur

Functions

template<typename T1 , typename T2 >
static void 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)
 matrix multiplication with different element types
template<typename T1 , typename T2 >
static void 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)
 matrix addition with different element types
template<typename T1 , typename T2 >
static void 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)
 matrix subtraction with different element types
template<typename T1 , typename T2 >
static void 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)
 element-wise matrix division with different element types
template<typename T1 , typename T2 >
static void 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)
 element-wise matrix multiplication with different element types

Function Documentation

template<typename T1 , typename T2 >
void 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 
) [inline, static, inherited]

matrix multiplication with different element types

Definition at line 26 of file glue_mixed_meat.hpp.

References unwrap< T1 >::M, and Mat< eT >::n_cols.

00027   {
00028   arma_extra_debug_sigprint();
00029   
00030   typedef typename T1::elem_type eT1;
00031   typedef typename T2::elem_type eT2;
00032   
00033   // TODO: extend the unwrap_check framework to handle mixed matrix types
00034   
00035   const unwrap<T1> tmp1(X.A);
00036   const unwrap<T2> tmp2(X.B);
00037   
00038   const Mat<eT1>& A = tmp1.M;
00039   const Mat<eT2>& B = tmp2.M;
00040   
00041   const bool A_is_alias = ( ((void *)&out) == ((void *)&A) );
00042   const bool B_is_alias = ( ((void *)&out) == ((void *)&B) );
00043   
00044   const Mat<eT1>* AA_ptr = A_is_alias ? new Mat<eT1>(A) : 0;
00045   const Mat<eT2>* BB_ptr = B_is_alias ? new Mat<eT2>(B) : 0;
00046   
00047   const Mat<eT1>& AA = A_is_alias ? *AA_ptr : A;
00048   const Mat<eT2>& BB = B_is_alias ? *BB_ptr : B;
00049   
00050   arma_debug_assert_mul_size(AA, BB, "matrix multiplication");
00051   
00052   out.set_size(AA.n_rows, BB.n_cols);
00053   
00054   gemm_mixed<>::apply(out, AA, BB);
00055   
00056   if(A_is_alias == true)
00057     {
00058     delete AA_ptr;
00059     }
00060   
00061   if(B_is_alias == true)
00062     {
00063     delete BB_ptr;
00064     }
00065   }

template<typename T1 , typename T2 >
void 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 
) [inline, static, inherited]

matrix addition with different element types

Definition at line 73 of file glue_mixed_meat.hpp.

00074   {
00075   arma_extra_debug_sigprint();
00076   
00077   typedef typename T1::elem_type eT1;
00078   typedef typename T2::elem_type eT2;
00079   
00080   typedef typename promote_type<eT1,eT2>::result out_eT;
00081   
00082   promote_type<eT1,eT2>::check();
00083   
00084   const Proxy<T1> A(X.A);
00085   const Proxy<T2> B(X.B);
00086   
00087   arma_debug_assert_same_size(A, B, "matrix addition");
00088   
00089   out.set_size(A.n_rows, A.n_cols);
00090   
00091         out_eT* out_mem = out.memptr();
00092   const u32     n_elem  = out.n_elem;
00093   
00094   for(u32 i=0; i<n_elem; ++i)
00095     {
00096     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) + upgrade_val<eT1,eT2>::apply(B[i]);
00097     }
00098   }

template<typename T1 , typename T2 >
void 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 
) [inline, static, inherited]

matrix subtraction with different element types

Definition at line 106 of file glue_mixed_meat.hpp.

00107   {
00108   arma_extra_debug_sigprint();
00109   
00110   typedef typename T1::elem_type eT1;
00111   typedef typename T2::elem_type eT2;
00112   
00113   typedef typename promote_type<eT1,eT2>::result out_eT;
00114   
00115   promote_type<eT1,eT2>::check();
00116   
00117   const Proxy<T1> A(X.A);
00118   const Proxy<T2> B(X.B);
00119   
00120   arma_debug_assert_same_size(A, B, "matrix subtraction");
00121   
00122   out.set_size(A.n_rows, A.n_cols);
00123   
00124         out_eT* out_mem = out.memptr();
00125   const u32     n_elem  = out.n_elem;
00126   
00127   for(u32 i=0; i<n_elem; ++i)
00128     {
00129     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) - upgrade_val<eT1,eT2>::apply(B[i]);
00130     }
00131   }

template<typename T1 , typename T2 >
void 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 
) [inline, static, inherited]

element-wise matrix division with different element types

Definition at line 139 of file glue_mixed_meat.hpp.

00140   {
00141   arma_extra_debug_sigprint();
00142   
00143   typedef typename T1::elem_type eT1;
00144   typedef typename T2::elem_type eT2;
00145   
00146   typedef typename promote_type<eT1,eT2>::result out_eT;
00147   
00148   promote_type<eT1,eT2>::check();
00149   
00150   const Proxy<T1> A(X.A);
00151   const Proxy<T2> B(X.B);
00152   
00153   arma_debug_assert_same_size(A, B, "element-wise matrix division");
00154   
00155   out.set_size(A.n_rows, A.n_cols);
00156   
00157         out_eT* out_mem = out.memptr();
00158   const u32     n_elem  = out.n_elem;
00159   
00160   for(u32 i=0; i<n_elem; ++i)
00161     {
00162     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) / upgrade_val<eT1,eT2>::apply(B[i]);
00163     }
00164   }

template<typename T1 , typename T2 >
void 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 
) [inline, static, inherited]

element-wise matrix multiplication with different element types

Definition at line 172 of file glue_mixed_meat.hpp.

00173   {
00174   arma_extra_debug_sigprint();
00175   
00176   typedef typename T1::elem_type eT1;
00177   typedef typename T2::elem_type eT2;
00178   
00179   typedef typename promote_type<eT1,eT2>::result out_eT;
00180   
00181   promote_type<eT1,eT2>::check();
00182   
00183   const Proxy<T1> A(X.A);
00184   const Proxy<T2> B(X.B);
00185   
00186   arma_debug_assert_same_size(A, B, "element-wise matrix multiplication");
00187   
00188   out.set_size(A.n_rows, A.n_cols);
00189   
00190         out_eT* out_mem = out.memptr();
00191   const u32     n_elem  = out.n_elem;
00192   
00193   for(u32 i=0; i<n_elem; ++i)
00194     {
00195     out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) * upgrade_val<eT1,eT2>::apply(B[i]);
00196     }
00197   }