FLA_Eig_gest_iu_opt_var4.c File Reference

(r)

Functions
FLA_Error	FLA_Eig_gest_iu_opt_var4 (FLA_Obj A, FLA_Obj Y, FLA_Obj B)
FLA_Error	FLA_Eig_gest_iu_ops_var4 (int m_AB, float *buff_A, int rs_A, int cs_A, float *buff_y, int inc_y, float *buff_B, int rs_B, int cs_B)
FLA_Error	FLA_Eig_gest_iu_opd_var4 (int m_AB, double *buff_A, int rs_A, int cs_A, double *buff_y, int inc_y, double *buff_B, int rs_B, int cs_B)
FLA_Error	FLA_Eig_gest_iu_opc_var4 (int m_AB, scomplex *buff_A, int rs_A, int cs_A, scomplex *buff_y, int inc_y, scomplex *buff_B, int rs_B, int cs_B)
FLA_Error	FLA_Eig_gest_iu_opz_var4 (int m_AB, dcomplex *buff_A, int rs_A, int cs_A, dcomplex *buff_y, int inc_y, dcomplex *buff_B, int rs_B, int cs_B)

Function Documentation

FLA_Eig_gest_iu_opc_var4()

FLA_Error FLA_Eig_gest_iu_opc_var4	(	int	m_AB,
		scomplex *	buff_A,
		int	rs_A,
		int	cs_A,
		scomplex *	buff_y,
		int	inc_y,
		scomplex *	buff_B,
		int	rs_B,
		int	cs_B
	)

{
  scomplex* buff_m1  = FLA_COMPLEX_PTR( FLA_MINUS_ONE );
  scomplex* buff_m1h = FLA_COMPLEX_PTR( FLA_MINUS_ONE_HALF );
  int       i;
 
  for ( i = 0; i < m_AB; ++i )
  {
    scomplex* a01      = buff_A + (i  )*cs_A + (0  )*rs_A;
    scomplex* alpha11  = buff_A + (i  )*cs_A + (i  )*rs_A;
    scomplex* A02      = buff_A + (i+1)*cs_A + (0  )*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* beta11   = buff_B + (i  )*cs_B + (i  )*rs_B;
    scomplex* b12t     = buff_B + (i+1)*cs_B + (i  )*rs_B;
 
    scomplex  psi11;
 
    int       m_ahead  = m_AB - i - 1;
    int       m_behind = i;
 
    /*------------------------------------------------------------*/
 
    // FLA_Inv_scal_external( beta11, a01 );
    bl1_cinvscalv( BLIS1_NO_CONJUGATE,
                   m_behind,
                   beta11,
                   a01, rs_A );
 
    // FLA_Ger_external( FLA_MINUS_ONE, a01, b12t, A02 );
    bl1_cger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              m_behind,
              m_ahead,
              buff_m1,
              a01,  rs_A,
              b12t, cs_B,
              A02,  rs_A, cs_A );
 
    // FLA_Inv_scal_external( beta11, alpha11 );
    // FLA_Inv_scal_external( beta11, alpha11 );
    bl1_cinvscals( beta11, alpha11 );
    bl1_cinvscals( beta11, alpha11 );
 
    // FLA_Copy_external( alpha11, psi11 );
    // FLA_Scal_external( FLA_MINUS_ONE_HALF, psi11 );
    bl1_cmult3( buff_m1h, alpha11, &psi11 );
 
    // FLA_Inv_scal_external( beta11, a12t );
    bl1_cinvscalv( BLIS1_NO_CONJUGATE,
                   m_ahead,
                   beta11,
                   a12t, cs_A );
 
    // FLA_Axpy_external( psi11, b12t, a12t );
    bl1_caxpyv( BLIS1_NO_CONJUGATE,
                m_ahead,
                &psi11,
                b12t, cs_B,
                a12t, cs_A );
 
    // FLA_Her2c_external( FLA_UPPER_TRIANGULAR, FLA_CONJUGATE,
    //                     FLA_MINUS_ONE, a12t, b12t, A22 );
    bl1_cher2( BLIS1_UPPER_TRIANGULAR,
               BLIS1_CONJUGATE,
               m_ahead,
               buff_m1,
               a12t, cs_A,
               b12t, cs_B,
               A22,  rs_A, cs_A );
 
    // FLA_Axpy_external( psi11, b12t, a12t );
    bl1_caxpyv( BLIS1_NO_CONJUGATE,
                m_ahead,
                &psi11,
                b12t, cs_B,
                a12t, cs_A );
 
    /*------------------------------------------------------------*/
 
  }
 
  return FLA_SUCCESS;
}

References bl1_caxpyv(), bl1_cger(), bl1_cher2(), bl1_cinvscalv(), BLIS1_CONJUGATE, BLIS1_NO_CONJUGATE, BLIS1_UPPER_TRIANGULAR, FLA_MINUS_ONE, FLA_MINUS_ONE_HALF, and i.

Referenced by FLA_Eig_gest_iu_opt_var4().

FLA_Eig_gest_iu_opd_var4()

FLA_Error FLA_Eig_gest_iu_opd_var4	(	int	m_AB,
		double *	buff_A,
		int	rs_A,
		int	cs_A,
		double *	buff_y,
		int	inc_y,
		double *	buff_B,
		int	rs_B,
		int	cs_B
	)

{
  double*   buff_m1  = FLA_DOUBLE_PTR( FLA_MINUS_ONE );
  double*   buff_m1h = FLA_DOUBLE_PTR( FLA_MINUS_ONE_HALF );
  int       i;
 
  for ( i = 0; i < m_AB; ++i )
  {
    double*   a01      = buff_A + (i  )*cs_A + (0  )*rs_A;
    double*   alpha11  = buff_A + (i  )*cs_A + (i  )*rs_A;
    double*   A02      = buff_A + (i+1)*cs_A + (0  )*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*   beta11   = buff_B + (i  )*cs_B + (i  )*rs_B;
    double*   b12t     = buff_B + (i+1)*cs_B + (i  )*rs_B;
 
    double    psi11;
 
    int       m_ahead  = m_AB - i - 1;
    int       m_behind = i;
 
    /*------------------------------------------------------------*/
 
    // FLA_Inv_scal_external( beta11, a01 );
    bl1_dinvscalv( BLIS1_NO_CONJUGATE,
                   m_behind,
                   beta11,
                   a01, rs_A );
 
    // FLA_Ger_external( FLA_MINUS_ONE, a01, b12t, A02 );
    bl1_dger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              m_behind,
              m_ahead,
              buff_m1,
              a01,  rs_A,
              b12t, cs_B,
              A02,  rs_A, cs_A );
 
    // FLA_Inv_scal_external( beta11, alpha11 );
    // FLA_Inv_scal_external( beta11, alpha11 );
    bl1_dinvscals( beta11, alpha11 );
    bl1_dinvscals( beta11, alpha11 );
 
    // FLA_Copy_external( alpha11, psi11 );
    // FLA_Scal_external( FLA_MINUS_ONE_HALF, psi11 );
    bl1_dmult3( buff_m1h, alpha11, &psi11 );
 
    // FLA_Inv_scal_external( beta11, a12t );
    bl1_dinvscalv( BLIS1_NO_CONJUGATE,
                   m_ahead,
                   beta11,
                   a12t, cs_A );
 
    // FLA_Axpy_external( psi11, b12t, a12t );
    bl1_daxpyv( BLIS1_NO_CONJUGATE,
                m_ahead,
                &psi11,
                b12t, cs_B,
                a12t, cs_A );
 
    // FLA_Her2c_external( FLA_UPPER_TRIANGULAR, FLA_CONJUGATE,
    //                     FLA_MINUS_ONE, a12t, b12t, A22 );
    bl1_dher2( BLIS1_UPPER_TRIANGULAR,
               BLIS1_CONJUGATE,
               m_ahead,
               buff_m1,
               a12t, cs_A,
               b12t, cs_B,
               A22,  rs_A, cs_A );
 
    // FLA_Axpy_external( psi11, b12t, a12t );
    bl1_daxpyv( BLIS1_NO_CONJUGATE,
                m_ahead,
                &psi11,
                b12t, cs_B,
                a12t, cs_A );
 
    /*------------------------------------------------------------*/
 
  }
 
  return FLA_SUCCESS;
}

References bl1_daxpyv(), bl1_dger(), bl1_dher2(), bl1_dinvscalv(), BLIS1_CONJUGATE, BLIS1_NO_CONJUGATE, BLIS1_UPPER_TRIANGULAR, FLA_MINUS_ONE, FLA_MINUS_ONE_HALF, and i.

Referenced by FLA_Eig_gest_iu_opt_var4().

FLA_Eig_gest_iu_ops_var4()

FLA_Error FLA_Eig_gest_iu_ops_var4	(	int	m_AB,
		float *	buff_A,
		int	rs_A,
		int	cs_A,
		float *	buff_y,
		int	inc_y,
		float *	buff_B,
		int	rs_B,
		int	cs_B
	)

{
  float*    buff_m1  = FLA_FLOAT_PTR( FLA_MINUS_ONE );
  float*    buff_m1h = FLA_FLOAT_PTR( FLA_MINUS_ONE_HALF );
  int       i;
 
  for ( i = 0; i < m_AB; ++i )
  {
    float*    a01      = buff_A + (i  )*cs_A + (0  )*rs_A;
    float*    alpha11  = buff_A + (i  )*cs_A + (i  )*rs_A;
    float*    A02      = buff_A + (i+1)*cs_A + (0  )*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*    beta11   = buff_B + (i  )*cs_B + (i  )*rs_B;
    float*    b12t     = buff_B + (i+1)*cs_B + (i  )*rs_B;
 
    float     psi11;
 
    int       m_ahead  = m_AB - i - 1;
    int       m_behind = i;
 
    /*------------------------------------------------------------*/
 
    // FLA_Inv_scal_external( beta11, a01 );
    bl1_sinvscalv( BLIS1_NO_CONJUGATE,
                   m_behind,
                   beta11,
                   a01, rs_A );
 
    // FLA_Ger_external( FLA_MINUS_ONE, a01, b12t, A02 );
    bl1_sger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              m_behind,
              m_ahead,
              buff_m1,
              a01,  rs_A,
              b12t, cs_B,
              A02,  rs_A, cs_A );
 
    // FLA_Inv_scal_external( beta11, alpha11 );
    // FLA_Inv_scal_external( beta11, alpha11 );
    bl1_sinvscals( beta11, alpha11 );
    bl1_sinvscals( beta11, alpha11 );
 
    // FLA_Copy_external( alpha11, psi11 );
    // FLA_Scal_external( FLA_MINUS_ONE_HALF, psi11 );
    bl1_smult3( buff_m1h, alpha11, &psi11 );
 
    // FLA_Inv_scal_external( beta11, a12t );
    bl1_sinvscalv( BLIS1_NO_CONJUGATE,
                   m_ahead,
                   beta11,
                   a12t, cs_A );
 
    // FLA_Axpy_external( psi11, b12t, a12t );
    bl1_saxpyv( BLIS1_NO_CONJUGATE,
                m_ahead,
                &psi11,
                b12t, cs_B,
                a12t, cs_A );
 
    // FLA_Her2c_external( FLA_UPPER_TRIANGULAR, FLA_CONJUGATE,
    //                     FLA_MINUS_ONE, a12t, b12t, A22 );
    bl1_sher2( BLIS1_UPPER_TRIANGULAR,
               BLIS1_CONJUGATE,
               m_ahead,
               buff_m1,
               a12t, cs_A,
               b12t, cs_B,
               A22,  rs_A, cs_A );
 
    // FLA_Axpy_external( psi11, b12t, a12t );
    bl1_saxpyv( BLIS1_NO_CONJUGATE,
                m_ahead,
                &psi11,
                b12t, cs_B,
                a12t, cs_A );
 
    /*------------------------------------------------------------*/
 
  }
 
  return FLA_SUCCESS;
}

References bl1_saxpyv(), bl1_sger(), bl1_sher2(), bl1_sinvscalv(), BLIS1_CONJUGATE, BLIS1_NO_CONJUGATE, BLIS1_UPPER_TRIANGULAR, FLA_MINUS_ONE, FLA_MINUS_ONE_HALF, and i.

Referenced by FLA_Eig_gest_iu_opt_var4().

FLA_Eig_gest_iu_opt_var4()

FLA_Error FLA_Eig_gest_iu_opt_var4	(	FLA_Obj	A,
		FLA_Obj	Y,
		FLA_Obj	B
	)

{
  FLA_Datatype datatype;
  int          m_AB;
  int          rs_A, cs_A;
  int          rs_B, cs_B;
  int          inc_y;
  FLA_Obj      yL, yR;
 
  datatype = FLA_Obj_datatype( A );
 
  m_AB     = FLA_Obj_length( A );
 
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );
 
  rs_B     = FLA_Obj_row_stride( B );
  cs_B     = FLA_Obj_col_stride( B );
 
  FLA_Part_1x2( Y,    &yL, &yR,     1, FLA_LEFT );
 
  inc_y    = FLA_Obj_vector_inc( yL );
 
  switch ( datatype )
  {
    case FLA_FLOAT:
    {
      float* buff_A = FLA_FLOAT_PTR( A );
      float* buff_y = FLA_FLOAT_PTR( yL );
      float* buff_B = FLA_FLOAT_PTR( B );
 
      FLA_Eig_gest_iu_ops_var4( m_AB,
                                buff_A, rs_A, cs_A,
                                buff_y, inc_y,
                                buff_B, rs_B, cs_B );
 
      break;
    }
 
    case FLA_DOUBLE:
    {
      double* buff_A = FLA_DOUBLE_PTR( A );
      double* buff_y = FLA_DOUBLE_PTR( yL );
      double* buff_B = FLA_DOUBLE_PTR( B );
 
      FLA_Eig_gest_iu_opd_var4( m_AB,
                                buff_A, rs_A, cs_A,
                                buff_y, inc_y,
                                buff_B, rs_B, cs_B );
 
      break;
    }
 
    case FLA_COMPLEX:
    {
      scomplex* buff_A = FLA_COMPLEX_PTR( A );
      scomplex* buff_y = FLA_COMPLEX_PTR( yL );
      scomplex* buff_B = FLA_COMPLEX_PTR( B );
 
      FLA_Eig_gest_iu_opc_var4( m_AB,
                                buff_A, rs_A, cs_A,
                                buff_y, inc_y,
                                buff_B, rs_B, cs_B );
 
      break;
    }
 
    case FLA_DOUBLE_COMPLEX:
    {
      dcomplex* buff_A = FLA_DOUBLE_COMPLEX_PTR( A );
      dcomplex* buff_y = FLA_DOUBLE_COMPLEX_PTR( yL );
      dcomplex* buff_B = FLA_DOUBLE_COMPLEX_PTR( B );
 
      FLA_Eig_gest_iu_opz_var4( m_AB,
                                buff_A, rs_A, cs_A,
                                buff_y, inc_y,
                                buff_B, rs_B, cs_B );
 
      break;
    }
  }
 
  return FLA_SUCCESS;
}

References FLA_Eig_gest_iu_opc_var4(), FLA_Eig_gest_iu_opd_var4(), FLA_Eig_gest_iu_ops_var4(), FLA_Eig_gest_iu_opz_var4(), FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Obj_vector_inc(), FLA_Part_1x2(), and i.

Referenced by FLA_Eig_gest_iu().

FLA_Eig_gest_iu_opz_var4()

FLA_Error FLA_Eig_gest_iu_opz_var4	(	int	m_AB,
		dcomplex *	buff_A,
		int	rs_A,
		int	cs_A,
		dcomplex *	buff_y,
		int	inc_y,
		dcomplex *	buff_B,
		int	rs_B,
		int	cs_B
	)

{
  dcomplex* buff_m1  = FLA_DOUBLE_COMPLEX_PTR( FLA_MINUS_ONE );
  dcomplex* buff_m1h = FLA_DOUBLE_COMPLEX_PTR( FLA_MINUS_ONE_HALF );
  int       i;
 
  for ( i = 0; i < m_AB; ++i )
  {
    dcomplex* a01      = buff_A + (i  )*cs_A + (0  )*rs_A;
    dcomplex* alpha11  = buff_A + (i  )*cs_A + (i  )*rs_A;
    dcomplex* A02      = buff_A + (i+1)*cs_A + (0  )*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* beta11   = buff_B + (i  )*cs_B + (i  )*rs_B;
    dcomplex* b12t     = buff_B + (i+1)*cs_B + (i  )*rs_B;
 
    dcomplex  psi11;
 
    int       m_ahead  = m_AB - i - 1;
    int       m_behind = i;
 
    /*------------------------------------------------------------*/
 
    // FLA_Inv_scal_external( beta11, a01 );
    bl1_zinvscalv( BLIS1_NO_CONJUGATE,
                   m_behind,
                   beta11,
                   a01, rs_A );
 
    // FLA_Ger_external( FLA_MINUS_ONE, a01, b12t, A02 );
    bl1_zger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              m_behind,
              m_ahead,
              buff_m1,
              a01,  rs_A,
              b12t, cs_B,
              A02,  rs_A, cs_A );
 
    // FLA_Inv_scal_external( beta11, alpha11 );
    // FLA_Inv_scal_external( beta11, alpha11 );
    bl1_zinvscals( beta11, alpha11 );
    bl1_zinvscals( beta11, alpha11 );
 
    // FLA_Copy_external( alpha11, psi11 );
    // FLA_Scal_external( FLA_MINUS_ONE_HALF, psi11 );
    bl1_zmult3( buff_m1h, alpha11, &psi11 );
 
    // FLA_Inv_scal_external( beta11, a12t );
    bl1_zinvscalv( BLIS1_NO_CONJUGATE,
                   m_ahead,
                   beta11,
                   a12t, cs_A );
 
    // FLA_Axpy_external( psi11, b12t, a12t );
    bl1_zaxpyv( BLIS1_NO_CONJUGATE,
                m_ahead,
                &psi11,
                b12t, cs_B,
                a12t, cs_A );
 
    // FLA_Her2c_external( FLA_UPPER_TRIANGULAR, FLA_CONJUGATE,
    //                     FLA_MINUS_ONE, a12t, b12t, A22 );
    bl1_zher2( BLIS1_UPPER_TRIANGULAR,
               BLIS1_CONJUGATE,
               m_ahead,
               buff_m1,
               a12t, cs_A,
               b12t, cs_B,
               A22,  rs_A, cs_A );
 
    // FLA_Axpy_external( psi11, b12t, a12t );
    bl1_zaxpyv( BLIS1_NO_CONJUGATE,
                m_ahead,
                &psi11,
                b12t, cs_B,
                a12t, cs_A );
 
    /*------------------------------------------------------------*/
 
  }
 
  return FLA_SUCCESS;
}

References bl1_zaxpyv(), bl1_zger(), bl1_zher2(), bl1_zinvscalv(), BLIS1_CONJUGATE, BLIS1_NO_CONJUGATE, BLIS1_UPPER_TRIANGULAR, FLA_MINUS_ONE, FLA_MINUS_ONE_HALF, and i.

Referenced by FLA_Eig_gest_iu_opt_var4().