References FLA_Obj_datatype(), FLA_QR_UT_Accum_T_opt_var1_dcomplex(), FLA_QR_UT_Accum_T_opt_var1_double(), FLA_QR_UT_Accum_T_opt_var1_float(), and FLA_QR_UT_Accum_T_opt_var1_scomplex().
Referenced by FLA_QR_UT_internal().
00036 { 00037 FLA_Datatype datatype; 00038 00039 datatype = FLA_Obj_datatype( A ); 00040 00041 switch ( datatype ) 00042 { 00043 case FLA_FLOAT: 00044 FLA_QR_UT_Accum_T_opt_var1_float( A, T ); 00045 break; 00046 00047 case FLA_DOUBLE: 00048 FLA_QR_UT_Accum_T_opt_var1_double( A, T ); 00049 break; 00050 00051 case FLA_COMPLEX: 00052 FLA_QR_UT_Accum_T_opt_var1_scomplex( A, T ); 00053 break; 00054 00055 case FLA_DOUBLE_COMPLEX: 00056 FLA_QR_UT_Accum_T_opt_var1_dcomplex( A, T ); 00057 break; 00058 } 00059 00060 return FLA_SUCCESS; 00061 }
References dscal(), FLA_Apply_househ2_UT_opt_dcomplex(), FLA_Househ2_UT_opt_dcomplex(), FLA_MINUS_ONE, FLA_Obj_ldim(), FLA_Obj_length(), FLA_Obj_width(), FLA_ONE, dcomplex::real, zcopy(), and zgemv().
Referenced by FLA_QR_UT_Accum_T_opt_var1().
00297 { 00298 dcomplex* buff_A = FLA_DOUBLE_COMPLEX_PTR( A ); 00299 dcomplex* buff_T = FLA_DOUBLE_COMPLEX_PTR( T ); 00300 dcomplex* buff_1 = FLA_DOUBLE_COMPLEX_PTR( FLA_ONE ); 00301 dcomplex* buff_m1 = FLA_DOUBLE_COMPLEX_PTR( FLA_MINUS_ONE ); 00302 00303 int m_A = FLA_Obj_length( A ); 00304 int n_AT = FLA_Obj_width( A ); 00305 int ldim_A = FLA_Obj_ldim( A ); 00306 int ldim_T = FLA_Obj_ldim( T ); 00307 00308 char trans = 'C'; 00309 int inc_one = 1; 00310 int inc_two = 2; 00311 int i; 00312 00313 for ( i = 0; i < n_AT; ++i ) 00314 { 00315 dcomplex* a10t = buff_A + (0 )*ldim_A + i; 00316 dcomplex* A20 = buff_A + (0 )*ldim_A + i + 1; 00317 dcomplex* alpha11 = buff_A + (i )*ldim_A + i; 00318 dcomplex* a21 = buff_A + (i )*ldim_A + i + 1; 00319 dcomplex* a12t = buff_A + (i+1)*ldim_A + i; 00320 dcomplex* A22 = buff_A + (i+1)*ldim_A + i + 1; 00321 00322 dcomplex* tau11 = buff_T + (i )*ldim_T + i; 00323 dcomplex* t01 = buff_T + (i )*ldim_T; 00324 00325 int m_ahead = m_A - i - 1; 00326 int n_ahead = n_AT - i - 1; 00327 int n_behind = i; 00328 00329 /*------------------------------------------------------------*/ 00330 00331 // FLA_Househ2_UT( alpha11, 00332 // a21, tau11 ); 00333 FLA_Househ2_UT_opt_dcomplex( m_ahead, 00334 alpha11, 00335 a21, inc_one, 00336 tau11 ); 00337 00338 if ( i > 0 ) 00339 { 00340 // FLA_Copyt_external( FLA_CONJ_TRANSPOSE, a10t, t01 ); 00341 FLA_C2F( zcopy )( &n_behind, 00342 a10t, &ldim_A, 00343 t01, &inc_one ); 00344 FLA_C2F( dscal )( &n_behind, 00345 &(buff_m1->real), 00346 (( double* ) t01 ) + 1, &inc_two ); 00347 00348 // // t01 = a10t' + A20' * a21; 00349 // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ONE, t01 ); 00350 FLA_C2F( zgemv )( &trans, 00351 &m_ahead, &n_behind, 00352 buff_1, 00353 A20, &ldim_A, 00354 a21, &inc_one, 00355 buff_1, 00356 t01, &inc_one ); 00357 } 00358 00359 if ( i < n_AT - 1 ) 00360 { 00361 // FLA_Apply_househ2_UT( tau11, a21, a12t, 00362 // A22 ); 00363 FLA_Apply_househ2_UT_opt_dcomplex( m_ahead, n_ahead, 00364 tau11, 00365 a21, inc_one, 00366 a12t, ldim_A, 00367 A22, ldim_A ); 00368 } 00369 00370 /*------------------------------------------------------------*/ 00371 00372 } 00373 00374 return FLA_SUCCESS; 00375 }
References dcopy(), dgemv(), FLA_Apply_househ2_UT_opt_double(), FLA_Househ2_UT_opt_double(), FLA_Obj_ldim(), FLA_Obj_length(), FLA_Obj_width(), and FLA_ONE.
Referenced by FLA_QR_UT_Accum_T_opt_var1().
00140 { 00141 double* buff_A = FLA_DOUBLE_PTR( A ); 00142 double* buff_T = FLA_DOUBLE_PTR( T ); 00143 double* buff_1 = FLA_DOUBLE_PTR( FLA_ONE ); 00144 00145 int m_A = FLA_Obj_length( A ); 00146 int n_AT = FLA_Obj_width( A ); 00147 int ldim_A = FLA_Obj_ldim( A ); 00148 int ldim_T = FLA_Obj_ldim( T ); 00149 00150 char trans = 'T'; 00151 int inc_one = 1; 00152 int i; 00153 00154 for ( i = 0; i < n_AT; ++i ) 00155 { 00156 double* a10t = buff_A + (0 )*ldim_A + i; 00157 double* A20 = buff_A + (0 )*ldim_A + i + 1; 00158 double* alpha11 = buff_A + (i )*ldim_A + i; 00159 double* a21 = buff_A + (i )*ldim_A + i + 1; 00160 double* a12t = buff_A + (i+1)*ldim_A + i; 00161 double* A22 = buff_A + (i+1)*ldim_A + i + 1; 00162 00163 double* tau11 = buff_T + (i )*ldim_T + i; 00164 double* t01 = buff_T + (i )*ldim_T; 00165 00166 int m_ahead = m_A - i - 1; 00167 int n_ahead = n_AT - i - 1; 00168 int n_behind = i; 00169 00170 /*------------------------------------------------------------*/ 00171 00172 // FLA_Househ2_UT( alpha11, 00173 // a21, tau11 ); 00174 FLA_Househ2_UT_opt_double( m_ahead, 00175 alpha11, 00176 a21, inc_one, 00177 tau11 ); 00178 00179 if ( i > 0 ) 00180 { 00181 // FLA_Copyt_external( FLA_CONJ_TRANSPOSE, a10t, t01 ); 00182 FLA_C2F( dcopy )( &n_behind, 00183 a10t, &ldim_A, 00184 t01, &inc_one ); 00185 00186 // // t01 = a10t' + A20' * a21; 00187 // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ONE, t01 ); 00188 FLA_C2F( dgemv )( &trans, 00189 &m_ahead, &n_behind, 00190 buff_1, 00191 A20, &ldim_A, 00192 a21, &inc_one, 00193 buff_1, 00194 t01, &inc_one ); 00195 } 00196 00197 if ( i < n_AT - 1 ) 00198 { 00199 // FLA_Apply_househ2_UT( tau11, a21, a12t, 00200 // A22 ); 00201 FLA_Apply_househ2_UT_opt_double( m_ahead, n_ahead, 00202 tau11, 00203 a21, inc_one, 00204 a12t, ldim_A, 00205 A22, ldim_A ); 00206 } 00207 00208 /*------------------------------------------------------------*/ 00209 00210 } 00211 00212 return FLA_SUCCESS; 00213 }
References FLA_Apply_househ2_UT_opt_float(), FLA_Househ2_UT_opt_float(), FLA_Obj_ldim(), FLA_Obj_length(), FLA_Obj_width(), FLA_ONE, scopy(), and sgemv().
Referenced by FLA_QR_UT_Accum_T_opt_var1().
00064 { 00065 float* buff_A = FLA_FLOAT_PTR( A ); 00066 float* buff_T = FLA_FLOAT_PTR( T ); 00067 float* buff_1 = FLA_FLOAT_PTR( FLA_ONE ); 00068 00069 int m_A = FLA_Obj_length( A ); 00070 int n_AT = FLA_Obj_width( A ); 00071 int ldim_A = FLA_Obj_ldim( A ); 00072 int ldim_T = FLA_Obj_ldim( T ); 00073 00074 char trans = 'T'; 00075 int inc_one = 1; 00076 int i; 00077 00078 for ( i = 0; i < n_AT; ++i ) 00079 { 00080 float* a10t = buff_A + (0 )*ldim_A + i; 00081 float* A20 = buff_A + (0 )*ldim_A + i + 1; 00082 float* alpha11 = buff_A + (i )*ldim_A + i; 00083 float* a21 = buff_A + (i )*ldim_A + i + 1; 00084 float* a12t = buff_A + (i+1)*ldim_A + i; 00085 float* A22 = buff_A + (i+1)*ldim_A + i + 1; 00086 00087 float* tau11 = buff_T + (i )*ldim_T + i; 00088 float* t01 = buff_T + (i )*ldim_T; 00089 00090 int m_ahead = m_A - i - 1; 00091 int n_ahead = n_AT - i - 1; 00092 int n_behind = i; 00093 00094 /*------------------------------------------------------------*/ 00095 00096 // FLA_Househ2_UT( alpha11, 00097 // a21, tau11 ); 00098 FLA_Househ2_UT_opt_float( m_ahead, 00099 alpha11, 00100 a21, inc_one, 00101 tau11 ); 00102 00103 if ( i > 0 ) 00104 { 00105 // FLA_Copyt_external( FLA_CONJ_TRANSPOSE, a10t, t01 ); 00106 FLA_C2F( scopy )( &n_behind, 00107 a10t, &ldim_A, 00108 t01, &inc_one ); 00109 00110 // // t01 = a10t' + A20' * a21; 00111 // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ONE, t01 ); 00112 FLA_C2F( sgemv )( &trans, 00113 &m_ahead, &n_behind, 00114 buff_1, 00115 A20, &ldim_A, 00116 a21, &inc_one, 00117 buff_1, 00118 t01, &inc_one ); 00119 } 00120 00121 if ( i < n_AT - 1 ) 00122 { 00123 // FLA_Apply_househ2_UT( tau11, a21, a12t, 00124 // A22 ); 00125 FLA_Apply_househ2_UT_opt_float( m_ahead, n_ahead, 00126 tau11, 00127 a21, inc_one, 00128 a12t, ldim_A, 00129 A22, ldim_A ); 00130 } 00131 00132 /*------------------------------------------------------------*/ 00133 00134 } 00135 00136 return FLA_SUCCESS; 00137 }
References ccopy(), cgemv(), FLA_Apply_househ2_UT_opt_scomplex(), FLA_Househ2_UT_opt_scomplex(), FLA_MINUS_ONE, FLA_Obj_ldim(), FLA_Obj_length(), FLA_Obj_width(), FLA_ONE, scomplex::real, and sscal().
Referenced by FLA_QR_UT_Accum_T_opt_var1().
00216 { 00217 scomplex* buff_A = FLA_COMPLEX_PTR( A ); 00218 scomplex* buff_T = FLA_COMPLEX_PTR( T ); 00219 scomplex* buff_1 = FLA_COMPLEX_PTR( FLA_ONE ); 00220 scomplex* buff_m1 = FLA_COMPLEX_PTR( FLA_MINUS_ONE ); 00221 00222 int m_A = FLA_Obj_length( A ); 00223 int n_AT = FLA_Obj_width( A ); 00224 int ldim_A = FLA_Obj_ldim( A ); 00225 int ldim_T = FLA_Obj_ldim( T ); 00226 00227 char trans = 'C'; 00228 int inc_one = 1; 00229 int inc_two = 2; 00230 int i; 00231 00232 for ( i = 0; i < n_AT; ++i ) 00233 { 00234 scomplex* a10t = buff_A + (0 )*ldim_A + i; 00235 scomplex* A20 = buff_A + (0 )*ldim_A + i + 1; 00236 scomplex* alpha11 = buff_A + (i )*ldim_A + i; 00237 scomplex* a21 = buff_A + (i )*ldim_A + i + 1; 00238 scomplex* a12t = buff_A + (i+1)*ldim_A + i; 00239 scomplex* A22 = buff_A + (i+1)*ldim_A + i + 1; 00240 00241 scomplex* tau11 = buff_T + (i )*ldim_T + i; 00242 scomplex* t01 = buff_T + (i )*ldim_T; 00243 00244 int m_ahead = m_A - i - 1; 00245 int n_ahead = n_AT - i - 1; 00246 int n_behind = i; 00247 00248 /*------------------------------------------------------------*/ 00249 00250 // FLA_Househ2_UT( alpha11, 00251 // a21, tau11 ); 00252 FLA_Househ2_UT_opt_scomplex( m_ahead, 00253 alpha11, 00254 a21, inc_one, 00255 tau11 ); 00256 00257 if ( i > 0 ) 00258 { 00259 // FLA_Copyt_external( FLA_CONJ_TRANSPOSE, a10t, t01 ); 00260 FLA_C2F( ccopy )( &n_behind, 00261 a10t, &ldim_A, 00262 t01, &inc_one ); 00263 FLA_C2F( sscal )( &n_behind, 00264 &(buff_m1->real), 00265 (( float* ) t01 ) + 1, &inc_two ); 00266 00267 // // t01 = a10t' + A20' * a21; 00268 // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ONE, t01 ); 00269 FLA_C2F( cgemv )( &trans, 00270 &m_ahead, &n_behind, 00271 buff_1, 00272 A20, &ldim_A, 00273 a21, &inc_one, 00274 buff_1, 00275 t01, &inc_one ); 00276 } 00277 00278 if ( i < n_AT - 1 ) 00279 { 00280 // FLA_Apply_househ2_UT( tau11, a21, a12t, 00281 // A22 ); 00282 FLA_Apply_househ2_UT_opt_scomplex( m_ahead, n_ahead, 00283 tau11, 00284 a21, inc_one, 00285 a12t, ldim_A, 00286 A22, ldim_A ); 00287 } 00288 00289 /*------------------------------------------------------------*/ 00290 00291 } 00292 00293 return FLA_SUCCESS; 00294 }