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Functions | |
FLA_Error | FLA_QR_UT_opt_var1 (FLA_Obj A, FLA_Obj t) |
FLA_Error | FLA_QR_UT_ops_var1 (int m_A, int n_A, float *buff_A, int rs_A, int cs_A, float *buff_t, int inc_t) |
FLA_Error | FLA_QR_UT_opd_var1 (int m_A, int n_A, double *buff_A, int rs_A, int cs_A, double *buff_t, int inc_t) |
FLA_Error | FLA_QR_UT_opc_var1 (int m_A, int n_A, scomplex *buff_A, int rs_A, int cs_A, scomplex *buff_t, int inc_t) |
FLA_Error | FLA_QR_UT_opz_var1 (int m_A, int n_A, dcomplex *buff_A, int rs_A, int cs_A, dcomplex *buff_t, int inc_t) |
FLA_Error FLA_QR_UT_opc_var1 | ( | int | m_A, |
int | n_A, | ||
scomplex * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
scomplex * | buff_t, | ||
int | inc_t | ||
) |
References FLA_Apply_H2_UT_l_opc_var1(), and FLA_Househ2_UT_l_opc().
Referenced by FLA_QR_UT_opt_var1().
{ int min_m_n = min( m_A, n_A ); int i; for ( i = 0; i < min_m_n; ++i ) { 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* tau1 = buff_t + (i )*inc_t; int m_ahead = m_A - i - 1; int n_ahead = n_A - i - 1; /*------------------------------------------------------------*/ // FLA_Househ2_UT( FLA_LEFT, // alpha11, // a21, tau1 ); FLA_Househ2_UT_l_opc( m_ahead, alpha11, a21, rs_A, tau1 ); // FLA_Apply_H2_UT( FLA_LEFT, tau1, a21, a12t, // A22 ); FLA_Apply_H2_UT_l_opc_var1( m_ahead, n_ahead, tau1, a21, rs_A, a12t, cs_A, A22, rs_A, cs_A ); /*------------------------------------------------------------*/ } return FLA_SUCCESS; }
FLA_Error FLA_QR_UT_opd_var1 | ( | int | m_A, |
int | n_A, | ||
double * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
double * | buff_t, | ||
int | inc_t | ||
) |
References FLA_Apply_H2_UT_l_opd_var1(), and FLA_Househ2_UT_l_opd().
Referenced by FLA_QR_UT_opt_var1().
{ int min_m_n = min( m_A, n_A ); int i; for ( i = 0; i < min_m_n; ++i ) { 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* tau1 = buff_t + (i )*inc_t; int m_ahead = m_A - i - 1; int n_ahead = n_A - i - 1; /*------------------------------------------------------------*/ // FLA_Househ2_UT( FLA_LEFT, // alpha11, // a21, tau1 ); FLA_Househ2_UT_l_opd( m_ahead, alpha11, a21, rs_A, tau1 ); // FLA_Apply_H2_UT( FLA_LEFT, tau1, a21, a12t, // A22 ); FLA_Apply_H2_UT_l_opd_var1( m_ahead, n_ahead, tau1, a21, rs_A, a12t, cs_A, A22, rs_A, cs_A ); /*------------------------------------------------------------*/ } return FLA_SUCCESS; }
FLA_Error FLA_QR_UT_ops_var1 | ( | int | m_A, |
int | n_A, | ||
float * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
float * | buff_t, | ||
int | inc_t | ||
) |
References FLA_Apply_H2_UT_l_ops_var1(), and FLA_Househ2_UT_l_ops().
Referenced by FLA_QR_UT_opt_var1().
{ int min_m_n = min( m_A, n_A ); int i; for ( i = 0; i < min_m_n; ++i ) { 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* tau1 = buff_t + (i )*inc_t; int m_ahead = m_A - i - 1; int n_ahead = n_A - i - 1; /*------------------------------------------------------------*/ // FLA_Househ2_UT( FLA_LEFT, // alpha11, // a21, tau1 ); FLA_Househ2_UT_l_ops( m_ahead, alpha11, a21, rs_A, tau1 ); // FLA_Apply_H2_UT( FLA_LEFT, tau1, a21, a12t, // A22 ); FLA_Apply_H2_UT_l_ops_var1( m_ahead, n_ahead, tau1, a21, rs_A, a12t, cs_A, A22, rs_A, cs_A ); /*------------------------------------------------------------*/ } return FLA_SUCCESS; }
References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Obj_vector_inc(), FLA_Obj_width(), FLA_QR_UT_opc_var1(), FLA_QR_UT_opd_var1(), FLA_QR_UT_ops_var1(), and FLA_QR_UT_opz_var1().
Referenced by FLA_QR_UT_internal().
{ FLA_Datatype datatype; int m_A, n_A; int rs_A, cs_A; int inc_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 ); inc_t = FLA_Obj_vector_inc( t ); switch ( datatype ) { case FLA_FLOAT: { float* buff_A = FLA_FLOAT_PTR( A ); float* buff_t = FLA_FLOAT_PTR( t ); FLA_QR_UT_ops_var1( m_A, n_A, buff_A, rs_A, cs_A, buff_t, inc_t ); break; } case FLA_DOUBLE: { double* buff_A = FLA_DOUBLE_PTR( A ); double* buff_t = FLA_DOUBLE_PTR( t ); FLA_QR_UT_opd_var1( m_A, n_A, buff_A, rs_A, cs_A, buff_t, inc_t ); break; } case FLA_COMPLEX: { scomplex* buff_A = FLA_COMPLEX_PTR( A ); scomplex* buff_t = FLA_COMPLEX_PTR( t ); FLA_QR_UT_opc_var1( m_A, n_A, buff_A, rs_A, cs_A, buff_t, inc_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_var1( m_A, n_A, buff_A, rs_A, cs_A, buff_t, inc_t ); break; } } return FLA_SUCCESS; }
FLA_Error FLA_QR_UT_opz_var1 | ( | int | m_A, |
int | n_A, | ||
dcomplex * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
dcomplex * | buff_t, | ||
int | inc_t | ||
) |
References FLA_Apply_H2_UT_l_opz_var1(), and FLA_Househ2_UT_l_opz().
Referenced by FLA_QR_UT_opt_var1().
{ int min_m_n = min( m_A, n_A ); int i; for ( i = 0; i < min_m_n; ++i ) { 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* tau1 = buff_t + (i )*inc_t; int m_ahead = m_A - i - 1; int n_ahead = n_A - i - 1; /*------------------------------------------------------------*/ // FLA_Househ2_UT( FLA_LEFT, // alpha11, // a21, tau1 ); FLA_Househ2_UT_l_opz( m_ahead, alpha11, a21, rs_A, tau1 ); // FLA_Apply_H2_UT( FLA_LEFT, tau1, a21, a12t, // A22 ); FLA_Apply_H2_UT_l_opz_var1( m_ahead, n_ahead, tau1, a21, rs_A, a12t, cs_A, A22, rs_A, cs_A ); /*------------------------------------------------------------*/ } return FLA_SUCCESS; }