FLA_QR_UT_opt_var1.c File Reference

(r)

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)

Function Documentation

FLA_QR_UT_opc_var1()

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
	)

{
  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;
}

References FLA_Apply_H2_UT_l_opc_var1(), FLA_Househ2_UT_l_opc(), and i.

Referenced by FLA_QR_UT_opt_var1().

FLA_QR_UT_opd_var1()

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
	)

{
  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;
}

References FLA_Apply_H2_UT_l_opd_var1(), FLA_Househ2_UT_l_opd(), and i.

Referenced by FLA_QR_UT_opt_var1().

FLA_QR_UT_ops_var1()

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
	)

{
  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_Apply_H2_UT_l_ops_var1(), FLA_Househ2_UT_l_ops(), and i.

Referenced by FLA_QR_UT_opt_var1().

FLA_QR_UT_opt_var1()

FLA_Error FLA_QR_UT_opt_var1	(	FLA_Obj	A,
		FLA_Obj	t
	)

{
  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;
}

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(), FLA_QR_UT_opz_var1(), and i.

Referenced by FLA_QR_UT_internal().

FLA_QR_UT_opz_var1()

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
	)

{
  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;
}

References FLA_Apply_H2_UT_l_opz_var1(), FLA_Househ2_UT_l_opz(), and i.

Referenced by FLA_QR_UT_opt_var1().