libflame
revision_anchor
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Functions | |
FLA_Error | FLA_QR_UT_opt_var2 (FLA_Obj A, FLA_Obj T) |
FLA_Error | FLA_QR_UT_ops_var2 (int m_A, int n_A, float *buff_A, int rs_A, int cs_A, float *buff_T, int rs_T, int cs_T) |
FLA_Error | FLA_QR_UT_opd_var2 (int m_A, int n_A, double *buff_A, int rs_A, int cs_A, double *buff_T, int rs_T, int cs_T) |
FLA_Error | FLA_QR_UT_opc_var2 (int m_A, int n_A, scomplex *buff_A, int rs_A, int cs_A, scomplex *buff_T, int rs_T, int cs_T) |
FLA_Error | FLA_QR_UT_opz_var2 (int m_A, int n_A, dcomplex *buff_A, int rs_A, int cs_A, dcomplex *buff_T, int rs_T, int cs_T) |
FLA_Error FLA_QR_UT_opc_var2 | ( | int | m_A, |
int | n_A, | ||
scomplex * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
scomplex * | buff_T, | ||
int | rs_T, | ||
int | cs_T | ||
) |
References bl1_ccopyv(), bl1_cgemv(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_NO_CONJUGATE, FLA_Apply_H2_UT_l_opc_var1(), FLA_Househ2_UT_l_opc(), and FLA_ONE.
Referenced by FLA_QR_UT_opt_var2().
{ scomplex* buff_1 = FLA_COMPLEX_PTR( FLA_ONE ); int min_m_n = min( m_A, n_A ); int i; for ( i = 0; i < min_m_n; ++i ) { scomplex* a10t = buff_A + (0 )*cs_A + (i )*rs_A; scomplex* A20 = buff_A + (0 )*cs_A + (i+1)*rs_A; scomplex* alpha11 = buff_A + (i )*cs_A + (i )*rs_A; scomplex* a21 = buff_A + (i )*cs_A + (i+1)*rs_A; scomplex* a12t = buff_A + (i+1)*cs_A + (i )*rs_A; scomplex* A22 = buff_A + (i+1)*cs_A + (i+1)*rs_A; scomplex* tau11 = buff_T + (i )*cs_T + (i )*rs_T; scomplex* t01 = buff_T + (i )*cs_T + (0 )*rs_T; int m_ahead = m_A - i - 1; int n_ahead = n_A - i - 1; int n_behind = i; /*------------------------------------------------------------*/ // FLA_Househ2_UT( FLA_LEFT, // alpha11, // a21, tau11 ); FLA_Househ2_UT_l_opc( m_ahead, alpha11, a21, rs_A, tau11 ); // FLA_Apply_H2_UT( FLA_LEFT, tau11, a21, a12t, // A22 ); FLA_Apply_H2_UT_l_opc_var1( m_ahead, n_ahead, tau11, a21, rs_A, a12t, cs_A, A22, rs_A, cs_A ); // FLA_Copyt_external( FLA_CONJ_TRANSPOSE, a10t, t01 ); bl1_ccopyv( BLIS1_CONJUGATE, n_behind, a10t, cs_A, t01, rs_T ); // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ONE, t01 ); bl1_cgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, A20, rs_A, cs_A, a21, rs_A, buff_1, t01, rs_T ); /*------------------------------------------------------------*/ } return FLA_SUCCESS; }
FLA_Error FLA_QR_UT_opd_var2 | ( | int | m_A, |
int | n_A, | ||
double * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
double * | buff_T, | ||
int | rs_T, | ||
int | cs_T | ||
) |
References bl1_dcopyv(), bl1_dgemv(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_NO_CONJUGATE, FLA_Apply_H2_UT_l_opd_var1(), FLA_Househ2_UT_l_opd(), and FLA_ONE.
Referenced by FLA_QR_UT_opt_var2().
{ double* buff_1 = FLA_DOUBLE_PTR( FLA_ONE ); int min_m_n = min( m_A, n_A ); int i; for ( i = 0; i < min_m_n; ++i ) { double* a10t = buff_A + (0 )*cs_A + (i )*rs_A; double* A20 = buff_A + (0 )*cs_A + (i+1)*rs_A; double* alpha11 = buff_A + (i )*cs_A + (i )*rs_A; double* a21 = buff_A + (i )*cs_A + (i+1)*rs_A; double* a12t = buff_A + (i+1)*cs_A + (i )*rs_A; double* A22 = buff_A + (i+1)*cs_A + (i+1)*rs_A; double* tau11 = buff_T + (i )*cs_T + (i )*rs_T; double* t01 = buff_T + (i )*cs_T + (0 )*rs_T; int m_ahead = m_A - i - 1; int n_ahead = n_A - i - 1; int n_behind = i; /*------------------------------------------------------------*/ // FLA_Househ2_UT( FLA_LEFT, // alpha11, // a21, tau11 ); FLA_Househ2_UT_l_opd( m_ahead, alpha11, a21, rs_A, tau11 ); // FLA_Apply_H2_UT( FLA_LEFT, tau11, a21, a12t, // A22 ); FLA_Apply_H2_UT_l_opd_var1( m_ahead, n_ahead, tau11, a21, rs_A, a12t, cs_A, A22, rs_A, cs_A ); // FLA_Copyt_external( FLA_CONJ_TRANSPOSE, a10t, t01 ); bl1_dcopyv( BLIS1_CONJUGATE, n_behind, a10t, cs_A, t01, rs_T ); // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ONE, t01 ); bl1_dgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, A20, rs_A, cs_A, a21, rs_A, buff_1, t01, rs_T ); /*------------------------------------------------------------*/ } return FLA_SUCCESS; }
FLA_Error FLA_QR_UT_ops_var2 | ( | int | m_A, |
int | n_A, | ||
float * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
float * | buff_T, | ||
int | rs_T, | ||
int | cs_T | ||
) |
References bl1_scopyv(), bl1_sgemv(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_NO_CONJUGATE, FLA_Apply_H2_UT_l_ops_var1(), FLA_Househ2_UT_l_ops(), and FLA_ONE.
Referenced by FLA_QR_UT_opt_var2().
{ float* buff_1 = FLA_FLOAT_PTR( FLA_ONE ); int min_m_n = min( m_A, n_A ); int i; for ( i = 0; i < min_m_n; ++i ) { float* a10t = buff_A + (0 )*cs_A + (i )*rs_A; float* A20 = buff_A + (0 )*cs_A + (i+1)*rs_A; float* alpha11 = buff_A + (i )*cs_A + (i )*rs_A; float* a21 = buff_A + (i )*cs_A + (i+1)*rs_A; float* a12t = buff_A + (i+1)*cs_A + (i )*rs_A; float* A22 = buff_A + (i+1)*cs_A + (i+1)*rs_A; float* tau11 = buff_T + (i )*cs_T + (i )*rs_T; float* t01 = buff_T + (i )*cs_T + (0 )*rs_T; int m_ahead = m_A - i - 1; int n_ahead = n_A - i - 1; int n_behind = i; /*------------------------------------------------------------*/ // FLA_Househ2_UT( FLA_LEFT, // alpha11, // a21, tau11 ); FLA_Househ2_UT_l_ops( m_ahead, alpha11, a21, rs_A, tau11 ); // FLA_Apply_H2_UT( FLA_LEFT, tau11, a21, a12t, // A22 ); FLA_Apply_H2_UT_l_ops_var1( m_ahead, n_ahead, tau11, a21, rs_A, a12t, cs_A, A22, rs_A, cs_A ); // FLA_Copyt_external( FLA_CONJ_TRANSPOSE, a10t, t01 ); bl1_scopyv( BLIS1_CONJUGATE, n_behind, a10t, cs_A, t01, rs_T ); // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ONE, t01 ); bl1_sgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, A20, rs_A, cs_A, a21, rs_A, buff_1, t01, rs_T ); /*------------------------------------------------------------*/ } return FLA_SUCCESS; }
FLA_Error FLA_QR_UT_opt_var2 | ( | FLA_Obj | A, |
FLA_Obj | T | ||
) |
References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Obj_width(), FLA_QR_UT_opc_var2(), FLA_QR_UT_opd_var2(), FLA_QR_UT_ops_var2(), and FLA_QR_UT_opz_var2().
Referenced by FLA_QR_UT_internal().
{ FLA_Datatype datatype; int m_A, n_A; int rs_A, cs_A; int rs_T, cs_T; datatype = FLA_Obj_datatype( A ); m_A = FLA_Obj_length( A ); n_A = FLA_Obj_width( A ); rs_A = FLA_Obj_row_stride( A ); cs_A = FLA_Obj_col_stride( A ); rs_T = FLA_Obj_row_stride( T ); cs_T = FLA_Obj_col_stride( T ); switch ( datatype ) { case FLA_FLOAT: { float* buff_A = FLA_FLOAT_PTR( A ); float* buff_T = FLA_FLOAT_PTR( T ); FLA_QR_UT_ops_var2( m_A, n_A, buff_A, rs_A, cs_A, buff_T, rs_T, cs_T ); break; } case FLA_DOUBLE: { double* buff_A = FLA_DOUBLE_PTR( A ); double* buff_T = FLA_DOUBLE_PTR( T ); FLA_QR_UT_opd_var2( m_A, n_A, buff_A, rs_A, cs_A, buff_T, rs_T, cs_T ); break; } case FLA_COMPLEX: { scomplex* buff_A = FLA_COMPLEX_PTR( A ); scomplex* buff_T = FLA_COMPLEX_PTR( T ); FLA_QR_UT_opc_var2( m_A, n_A, buff_A, rs_A, cs_A, buff_T, rs_T, cs_T ); break; } case FLA_DOUBLE_COMPLEX: { dcomplex* buff_A = FLA_DOUBLE_COMPLEX_PTR( A ); dcomplex* buff_T = FLA_DOUBLE_COMPLEX_PTR( T ); FLA_QR_UT_opz_var2( m_A, n_A, buff_A, rs_A, cs_A, buff_T, rs_T, cs_T ); break; } } return FLA_SUCCESS; }
FLA_Error FLA_QR_UT_opz_var2 | ( | int | m_A, |
int | n_A, | ||
dcomplex * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
dcomplex * | buff_T, | ||
int | rs_T, | ||
int | cs_T | ||
) |
References bl1_zcopyv(), bl1_zgemv(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_NO_CONJUGATE, FLA_Apply_H2_UT_l_opz_var1(), FLA_Househ2_UT_l_opz(), and FLA_ONE.
Referenced by FLA_QR_UT_opt_var2().
{ dcomplex* buff_1 = FLA_DOUBLE_COMPLEX_PTR( FLA_ONE ); int min_m_n = min( m_A, n_A ); int i; for ( i = 0; i < min_m_n; ++i ) { dcomplex* a10t = buff_A + (0 )*cs_A + (i )*rs_A; dcomplex* A20 = buff_A + (0 )*cs_A + (i+1)*rs_A; dcomplex* alpha11 = buff_A + (i )*cs_A + (i )*rs_A; dcomplex* a21 = buff_A + (i )*cs_A + (i+1)*rs_A; dcomplex* a12t = buff_A + (i+1)*cs_A + (i )*rs_A; dcomplex* A22 = buff_A + (i+1)*cs_A + (i+1)*rs_A; dcomplex* tau11 = buff_T + (i )*cs_T + (i )*rs_T; dcomplex* t01 = buff_T + (i )*cs_T + (0 )*rs_T; int m_ahead = m_A - i - 1; int n_ahead = n_A - i - 1; int n_behind = i; /*------------------------------------------------------------*/ // FLA_Househ2_UT( FLA_LEFT, // alpha11, // a21, tau11 ); FLA_Househ2_UT_l_opz( m_ahead, alpha11, a21, rs_A, tau11 ); // FLA_Apply_H2_UT( FLA_LEFT, tau11, a21, a12t, // A22 ); FLA_Apply_H2_UT_l_opz_var1( m_ahead, n_ahead, tau11, a21, rs_A, a12t, cs_A, A22, rs_A, cs_A ); // FLA_Copyt_external( FLA_CONJ_TRANSPOSE, a10t, t01 ); bl1_zcopyv( BLIS1_CONJUGATE, n_behind, a10t, cs_A, t01, rs_T ); // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ONE, t01 ); bl1_zgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, A20, rs_A, cs_A, a21, rs_A, buff_1, t01, rs_T ); /*------------------------------------------------------------*/ } return FLA_SUCCESS; }