operator_div.hpp
Go to the documentation of this file.00001
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00023 template<typename T1>
00024 arma_inline
00025 const eOp<T1, eop_scalar_div_post>
00026 operator/
00027 (
00028 const Base<typename T1::elem_type,T1>& X,
00029 const typename T1::elem_type k
00030 )
00031 {
00032 arma_extra_debug_sigprint();
00033
00034 return eOp<T1, eop_scalar_div_post>(X.get_ref(), k);
00035 }
00036
00037
00038
00039
00040 template<typename T1>
00041 arma_inline
00042 const eOp<T1, eop_scalar_div_pre>
00043 operator/
00044 (
00045 const typename T1::elem_type k,
00046 const Base<typename T1::elem_type,T1>& X
00047 )
00048 {
00049 arma_extra_debug_sigprint();
00050
00051 return eOp<T1, eop_scalar_div_pre>(X.get_ref(), k);
00052 }
00053
00054
00055
00056
00057 template<typename T1>
00058 arma_inline
00059 Mat<typename std::complex<typename T1::pod_type> >
00060 operator/
00061 (
00062 const Base<typename T1::pod_type, T1>& X,
00063 const std::complex<typename T1::pod_type>& k
00064 )
00065 {
00066 arma_extra_debug_sigprint();
00067
00068 typedef typename std::complex<typename T1::pod_type> eT;
00069 typedef typename T1::pod_type T;
00070
00071 const Proxy<T1> A(X.get_ref());
00072
00073 Mat<eT> out(A.n_rows, A.n_cols);
00074
00075 const u32 n_elem = A.n_elem;
00076 eT* out_mem = out.memptr();
00077
00078 for(u32 i=0; i<n_elem; ++i)
00079 {
00080 out_mem[i] = A[i] / k;
00081 }
00082
00083 return out;
00084 }
00085
00086
00087
00088
00089 template<typename T1>
00090 arma_inline
00091 Mat<typename std::complex<typename T1::pod_type> >
00092 operator/
00093 (
00094 const std::complex<typename T1::pod_type>& k,
00095 const Base<typename T1::pod_type, T1>& X
00096 )
00097 {
00098 arma_extra_debug_sigprint();
00099
00100 typedef typename std::complex<typename T1::pod_type> eT;
00101 typedef typename T1::pod_type T;
00102
00103 const Proxy<T1> A(X.get_ref());
00104
00105 Mat<eT> out(A.n_rows, A.n_cols);
00106
00107 const u32 n_elem = A.n_elem;
00108 eT* out_mem = out.memptr();
00109
00110 for(u32 i=0; i<n_elem; ++i)
00111 {
00112 out_mem[i] = k / A[i];
00113 }
00114
00115 return out;
00116 }
00117
00118
00119
00120
00121 template<typename T1, typename T2>
00122 arma_inline
00123 const eGlue<T1, T2, eglue_div>
00124 operator/
00125 (
00126 const Base<typename T1::elem_type,T1>& X,
00127 const Base<typename T1::elem_type,T2>& Y
00128 )
00129 {
00130 arma_extra_debug_sigprint();
00131
00132 return eGlue<T1, T2, eglue_div>(X.get_ref(), Y.get_ref());
00133 }
00134
00135
00136
00137
00138 template<typename T1, typename T2>
00139 arma_inline
00140 Mat<typename promote_type<typename T1::elem_type, typename T2::elem_type>::result>
00141 operator/
00142 (
00143 const Base< typename force_different_type<typename T1::elem_type, typename T2::elem_type>::T1_result, T1>& X,
00144 const Base< typename force_different_type<typename T1::elem_type, typename T2::elem_type>::T2_result, T2>& Y
00145 )
00146 {
00147 arma_extra_debug_sigprint();
00148
00149 typedef typename T1::elem_type eT1;
00150 typedef typename T2::elem_type eT2;
00151
00152 typedef typename promote_type<eT1,eT2>::result out_eT;
00153
00154 promote_type<eT1,eT2>::check();
00155
00156 const Proxy<T1> A(X.get_ref());
00157 const Proxy<T2> B(Y.get_ref());
00158
00159 arma_debug_assert_same_size(A, B, "element-wise matrix division");
00160
00161 Mat<out_eT> out(A.n_rows, A.n_cols);
00162
00163 out_eT* out_mem = out.memptr();
00164 const u32 n_elem = out.n_elem;
00165
00166 for(u32 i=0; i<n_elem; ++i)
00167 {
00168 out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) / upgrade_val<eT1,eT2>::apply(B[i]);
00169 }
00170
00171 return out;
00172 }
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