FLA_QR2_UT_opt_var1.c File Reference

(r)

Functions
FLA_Error	FLA_QR2_UT_opt_var1 (FLA_Obj U, FLA_Obj D, FLA_Obj T)
FLA_Error	FLA_QR2_UT_ops_var1 (int m_UT, int m_D, float *buff_U, int rs_U, int cs_U, float *buff_D, int rs_D, int cs_D, float *buff_T, int rs_T, int cs_T)
FLA_Error	FLA_QR2_UT_opd_var1 (int m_UT, int m_D, double *buff_U, int rs_U, int cs_U, double *buff_D, int rs_D, int cs_D, double *buff_T, int rs_T, int cs_T)
FLA_Error	FLA_QR2_UT_opc_var1 (int m_UT, int m_D, scomplex *buff_U, int rs_U, int cs_U, scomplex *buff_D, int rs_D, int cs_D, scomplex *buff_T, int rs_T, int cs_T)
FLA_Error	FLA_QR2_UT_opz_var1 (int m_UT, int m_D, dcomplex *buff_U, int rs_U, int cs_U, dcomplex *buff_D, int rs_D, int cs_D, dcomplex *buff_T, int rs_T, int cs_T)

---

Function Documentation

FLA_Error FLA_QR2_UT_opc_var1	(	int	m_UT,
		int	m_D,
		scomplex *	buff_U,
		int	rs_U,
		int	cs_U,
		scomplex *	buff_D,
		int	rs_D,
		int	cs_D,
		scomplex *	buff_T,
		int	rs_T,
		int	cs_T
	)

References bli_cgemv(), BLIS_CONJ_TRANSPOSE, BLIS_NO_CONJUGATE, FLA_Apply_H2_UT_l_opc_var1(), FLA_Househ2_UT_l_opc(), FLA_ONE, and FLA_ZERO.

Referenced by FLA_QR2_UT_opt_var1().

{
  scomplex* buff_1  = FLA_COMPLEX_PTR( FLA_ONE );
  scomplex* buff_0  = FLA_COMPLEX_PTR( FLA_ZERO );
  int       i;

  for ( i = 0; i < m_UT; ++i )
  {
    scomplex* upsilon11 = buff_U + (i  )*cs_U + (i  )*rs_U;
    scomplex* u12t      = buff_U + (i+1)*cs_U + (i  )*rs_U;

    scomplex* D0        = buff_D + (0  )*cs_D + (0  )*rs_D;
    scomplex* d1        = buff_D + (i  )*cs_D + (0  )*rs_D;
    scomplex* D2        = buff_D + (i+1)*cs_D + (0  )*rs_D;

    scomplex* tau11     = buff_T + (i  )*cs_T + (i  )*rs_T;
    scomplex* t01       = buff_T + (i  )*cs_T + (0  )*rs_T;

    int       mn_ahead  = m_UT - i - 1;
    int       mn_behind = i;

    //------------------------------------------------------------//

    // FLA_Househ2_UT( FLA_LEFT,
    //                 upsilon11,
    //                 d1, tau11 );
    FLA_Househ2_UT_l_opc( m_D,
                          upsilon11,
                          d1, rs_D,
                          tau11 );

    // FLA_Apply_H2_UT( FLA_LEFT, tau11, d1, u12t,
    //                                       D2 );
    FLA_Apply_H2_UT_l_opc_var1( m_D,
                                mn_ahead,
                                tau11,
                                d1, rs_D,
                                u12t, cs_U,
                                D2, rs_D, cs_D );

    // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, D0, d1, FLA_ZERO, t01 );
    bli_cgemv( BLIS_CONJ_TRANSPOSE,
               BLIS_NO_CONJUGATE,
               m_D,
               mn_behind,
               buff_1,
               D0, rs_D, cs_D,
               d1, rs_D,
               buff_0,
               t01, rs_T );

    //------------------------------------------------------------//

  }

  return FLA_SUCCESS;
}

FLA_Error FLA_QR2_UT_opd_var1	(	int	m_UT,
		int	m_D,
		double *	buff_U,
		int	rs_U,
		int	cs_U,
		double *	buff_D,
		int	rs_D,
		int	cs_D,
		double *	buff_T,
		int	rs_T,
		int	cs_T
	)

References bli_dgemv(), BLIS_CONJ_TRANSPOSE, BLIS_NO_CONJUGATE, FLA_Apply_H2_UT_l_opd_var1(), FLA_Househ2_UT_l_opd(), FLA_ONE, and FLA_ZERO.

Referenced by FLA_QR2_UT_opt_var1().

{
  double*   buff_1  = FLA_DOUBLE_PTR( FLA_ONE );
  double*   buff_0  = FLA_DOUBLE_PTR( FLA_ZERO );
  int       i;

  for ( i = 0; i < m_UT; ++i )
  {
    double*   upsilon11 = buff_U + (i  )*cs_U + (i  )*rs_U;
    double*   u12t      = buff_U + (i+1)*cs_U + (i  )*rs_U;

    double*   D0        = buff_D + (0  )*cs_D + (0  )*rs_D;
    double*   d1        = buff_D + (i  )*cs_D + (0  )*rs_D;
    double*   D2        = buff_D + (i+1)*cs_D + (0  )*rs_D;

    double*   tau11     = buff_T + (i  )*cs_T + (i  )*rs_T;
    double*   t01       = buff_T + (i  )*cs_T + (0  )*rs_T;

    int       mn_ahead  = m_UT - i - 1;
    int       mn_behind = i;

    //------------------------------------------------------------//

    // FLA_Househ2_UT( FLA_LEFT,
    //                 upsilon11,
    //                 d1, tau11 );
    FLA_Househ2_UT_l_opd( m_D,
                          upsilon11,
                          d1, rs_D,
                          tau11 );

    // FLA_Apply_H2_UT( FLA_LEFT, tau11, d1, u12t,
    //                                       D2 );
    FLA_Apply_H2_UT_l_opd_var1( m_D,
                                mn_ahead,
                                tau11,
                                d1, rs_D,
                                u12t, cs_U,
                                D2, rs_D, cs_D );

    // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, D0, d1, FLA_ZERO, t01 );
    bli_dgemv( BLIS_CONJ_TRANSPOSE,
               BLIS_NO_CONJUGATE,
               m_D,
               mn_behind,
               buff_1,
               D0, rs_D, cs_D,
               d1, rs_D,
               buff_0,
               t01, rs_T );

    //------------------------------------------------------------//

  }

  return FLA_SUCCESS;
}

FLA_Error FLA_QR2_UT_ops_var1	(	int	m_UT,
		int	m_D,
		float *	buff_U,
		int	rs_U,
		int	cs_U,
		float *	buff_D,
		int	rs_D,
		int	cs_D,
		float *	buff_T,
		int	rs_T,
		int	cs_T
	)

References bli_sgemv(), BLIS_CONJ_TRANSPOSE, BLIS_NO_CONJUGATE, FLA_Apply_H2_UT_l_ops_var1(), FLA_Househ2_UT_l_ops(), FLA_ONE, and FLA_ZERO.

Referenced by FLA_QR2_UT_opt_var1().

{
  float*    buff_1  = FLA_FLOAT_PTR( FLA_ONE );
  float*    buff_0  = FLA_FLOAT_PTR( FLA_ZERO );
  int       i;

  for ( i = 0; i < m_UT; ++i )
  {
    float*    upsilon11 = buff_U + (i  )*cs_U + (i  )*rs_U;
    float*    u12t      = buff_U + (i+1)*cs_U + (i  )*rs_U;

    float*    D0        = buff_D + (0  )*cs_D + (0  )*rs_D;
    float*    d1        = buff_D + (i  )*cs_D + (0  )*rs_D;
    float*    D2        = buff_D + (i+1)*cs_D + (0  )*rs_D;

    float*    tau11     = buff_T + (i  )*cs_T + (i  )*rs_T;
    float*    t01       = buff_T + (i  )*cs_T + (0  )*rs_T;

    int       mn_ahead  = m_UT - i - 1;
    int       mn_behind = i;

    //------------------------------------------------------------//

    // FLA_Househ2_UT( FLA_LEFT,
    //                 upsilon11,
    //                 d1, tau11 );
    FLA_Househ2_UT_l_ops( m_D,
                          upsilon11,
                          d1, rs_D,
                          tau11 );

    // FLA_Apply_H2_UT( FLA_LEFT, tau11, d1, u12t,
    //                                       D2 );
    FLA_Apply_H2_UT_l_ops_var1( m_D,
                                mn_ahead,
                                tau11,
                                d1, rs_D,
                                u12t, cs_U,
                                D2, rs_D, cs_D );

    // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, D0, d1, FLA_ZERO, t01 );
    bli_sgemv( BLIS_CONJ_TRANSPOSE,
               BLIS_NO_CONJUGATE,
               m_D,
               mn_behind,
               buff_1,
               D0, rs_D, cs_D,
               d1, rs_D,
               buff_0,
               t01, rs_T );

    //------------------------------------------------------------//

  }

  return FLA_SUCCESS;
}

FLA_Error FLA_QR2_UT_opt_var1	(	FLA_Obj	U,
		FLA_Obj	D,
		FLA_Obj	T
	)

References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_QR2_UT_opc_var1(), FLA_QR2_UT_opd_var1(), FLA_QR2_UT_ops_var1(), and FLA_QR2_UT_opz_var1().

Referenced by FLA_QR2_UT_internal().

{
  FLA_Datatype datatype;
  int          m_UT, m_D;
  int          rs_U, cs_U;
  int          rs_D, cs_D;
  int          rs_T, cs_T;

  datatype = FLA_Obj_datatype( U );

  m_UT     = FLA_Obj_length( U );
  m_D      = FLA_Obj_length( D );

  rs_U     = FLA_Obj_row_stride( U );
  cs_U     = FLA_Obj_col_stride( U );
  rs_D     = FLA_Obj_row_stride( D );
  cs_D     = FLA_Obj_col_stride( D );
  rs_T     = FLA_Obj_row_stride( T );
  cs_T     = FLA_Obj_col_stride( T );
  

  switch ( datatype )
  {
    case FLA_FLOAT:
    {
      float* buff_U = FLA_FLOAT_PTR( U );
      float* buff_D = FLA_FLOAT_PTR( D );
      float* buff_T = FLA_FLOAT_PTR( T );

      FLA_QR2_UT_ops_var1( m_UT,
                           m_D,
                           buff_U, rs_U, cs_U,
                           buff_D, rs_D, cs_D,
                           buff_T, rs_T, cs_T );

      break;
    }

    case FLA_DOUBLE:
    {
      double* buff_U = FLA_DOUBLE_PTR( U );
      double* buff_D = FLA_DOUBLE_PTR( D );
      double* buff_T = FLA_DOUBLE_PTR( T );

      FLA_QR2_UT_opd_var1( m_UT,
                           m_D,
                           buff_U, rs_U, cs_U,
                           buff_D, rs_D, cs_D,
                           buff_T, rs_T, cs_T );

      break;
    }

    case FLA_COMPLEX:
    {
      scomplex* buff_U = FLA_COMPLEX_PTR( U );
      scomplex* buff_D = FLA_COMPLEX_PTR( D );
      scomplex* buff_T = FLA_COMPLEX_PTR( T );

      FLA_QR2_UT_opc_var1( m_UT,
                           m_D,
                           buff_U, rs_U, cs_U,
                           buff_D, rs_D, cs_D,
                           buff_T, rs_T, cs_T );

      break;
    }

    case FLA_DOUBLE_COMPLEX:
    {
      dcomplex* buff_U = FLA_DOUBLE_COMPLEX_PTR( U );
      dcomplex* buff_D = FLA_DOUBLE_COMPLEX_PTR( D );
      dcomplex* buff_T = FLA_DOUBLE_COMPLEX_PTR( T );

      FLA_QR2_UT_opz_var1( m_UT,
                           m_D,
                           buff_U, rs_U, cs_U,
                           buff_D, rs_D, cs_D,
                           buff_T, rs_T, cs_T );

      break;
    }
  }

  return FLA_SUCCESS;
}

FLA_Error FLA_QR2_UT_opz_var1	(	int	m_UT,
		int	m_D,
		dcomplex *	buff_U,
		int	rs_U,
		int	cs_U,
		dcomplex *	buff_D,
		int	rs_D,
		int	cs_D,
		dcomplex *	buff_T,
		int	rs_T,
		int	cs_T
	)

References bli_zgemv(), BLIS_CONJ_TRANSPOSE, BLIS_NO_CONJUGATE, FLA_Apply_H2_UT_l_opz_var1(), FLA_Househ2_UT_l_opz(), FLA_ONE, and FLA_ZERO.

Referenced by FLA_QR2_UT_opt_var1().

{
  dcomplex* buff_1  = FLA_DOUBLE_COMPLEX_PTR( FLA_ONE );
  dcomplex* buff_0  = FLA_DOUBLE_COMPLEX_PTR( FLA_ZERO );
  int       i;

  for ( i = 0; i < m_UT; ++i )
  {
    dcomplex* upsilon11 = buff_U + (i  )*cs_U + (i  )*rs_U;
    dcomplex* u12t      = buff_U + (i+1)*cs_U + (i  )*rs_U;

    dcomplex* D0        = buff_D + (0  )*cs_D + (0  )*rs_D;
    dcomplex* d1        = buff_D + (i  )*cs_D + (0  )*rs_D;
    dcomplex* D2        = buff_D + (i+1)*cs_D + (0  )*rs_D;

    dcomplex* tau11     = buff_T + (i  )*cs_T + (i  )*rs_T;
    dcomplex* t01       = buff_T + (i  )*cs_T + (0  )*rs_T;

    int       mn_ahead  = m_UT - i - 1;
    int       mn_behind = i;

    //------------------------------------------------------------//

    // FLA_Househ2_UT( FLA_LEFT,
    //                 upsilon11,
    //                 d1, tau11 );
    FLA_Househ2_UT_l_opz( m_D,
                          upsilon11,
                          d1, rs_D,
                          tau11 );

    // FLA_Apply_H2_UT( FLA_LEFT, tau11, d1, u12t,
    //                                       D2 );
    FLA_Apply_H2_UT_l_opz_var1( m_D,
                                mn_ahead,
                                tau11,
                                d1, rs_D,
                                u12t, cs_U,
                                D2, rs_D, cs_D );

    // FLA_Gemv_external( FLA_CONJ_TRANSPOSE, FLA_ONE, D0, d1, FLA_ZERO, t01 );
    bli_zgemv( BLIS_CONJ_TRANSPOSE,
               BLIS_NO_CONJUGATE,
               m_D,
               mn_behind,
               buff_1,
               D0, rs_D, cs_D,
               d1, rs_D,
               buff_0,
               t01, rs_T );

    //------------------------------------------------------------//

  }

  return FLA_SUCCESS;
}