示例#1
0
FLA_Error FLA_Symm_external( FLA_Side side, FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C )
{
  FLA_Datatype datatype;
  int          m_C, n_C;
  int          rs_A, cs_A;
  int          rs_B, cs_B;
  int          rs_C, cs_C;
  side_t       blis_side;
  uplo_t       blis_uplo; 

  if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING ) 
    FLA_Symm_check( side, uplo, alpha, A, B, beta, C );

  if ( FLA_Obj_has_zero_dim( C ) ) return FLA_SUCCESS;

  datatype = FLA_Obj_datatype( 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 );

  m_C      = FLA_Obj_length( C );
  n_C      = FLA_Obj_width( C );
  rs_C     = FLA_Obj_row_stride( C );
  cs_C     = FLA_Obj_col_stride( C );

  FLA_Param_map_flame_to_blis_side( side, &blis_side );
  FLA_Param_map_flame_to_blis_uplo( uplo, &blis_uplo );


  switch( datatype ){

  case FLA_FLOAT:
  {
    float *buff_A     = ( float * ) FLA_FLOAT_PTR( A );
    float *buff_B     = ( float * ) FLA_FLOAT_PTR( B );
    float *buff_C     = ( float * ) FLA_FLOAT_PTR( C );
    float *buff_alpha = ( float * ) FLA_FLOAT_PTR( alpha );
    float *buff_beta  = ( float * ) FLA_FLOAT_PTR( beta );

    bli_ssymm( blis_side, 
               blis_uplo, 
               m_C, 
               n_C, 
               buff_alpha,
               buff_A, rs_A, cs_A, 
               buff_B, rs_B, cs_B,
               buff_beta,  
               buff_C, rs_C, cs_C );

    break;
  }

  case FLA_DOUBLE:
  {
    double *buff_A     = ( double * ) FLA_DOUBLE_PTR( A );
    double *buff_B     = ( double * ) FLA_DOUBLE_PTR( B );
    double *buff_C     = ( double * ) FLA_DOUBLE_PTR( C );
    double *buff_alpha = ( double * ) FLA_DOUBLE_PTR( alpha );
    double *buff_beta  = ( double * ) FLA_DOUBLE_PTR( beta );

    bli_dsymm( blis_side, 
               blis_uplo, 
               m_C, 
               n_C, 
               buff_alpha,
               buff_A, rs_A, cs_A, 
               buff_B, rs_B, cs_B,
               buff_beta,  
               buff_C, rs_C, cs_C );

    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_A     = ( scomplex * ) FLA_COMPLEX_PTR( A );
    scomplex *buff_B     = ( scomplex * ) FLA_COMPLEX_PTR( B );
    scomplex *buff_C     = ( scomplex * ) FLA_COMPLEX_PTR( C );
    scomplex *buff_alpha = ( scomplex * ) FLA_COMPLEX_PTR( alpha );
    scomplex *buff_beta  = ( scomplex * ) FLA_COMPLEX_PTR( beta );

    bli_csymm( blis_side, 
               blis_uplo, 
               m_C, 
               n_C, 
               buff_alpha,
               buff_A, rs_A, cs_A, 
               buff_B, rs_B, cs_B,
               buff_beta,  
               buff_C, rs_C, cs_C );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
    dcomplex *buff_B     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( B );
    dcomplex *buff_C     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( C );
    dcomplex *buff_alpha = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( alpha );
    dcomplex *buff_beta  = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( beta );

    bli_zsymm( blis_side, 
               blis_uplo, 
               m_C, 
               n_C, 
               buff_alpha,
               buff_A, rs_A, cs_A, 
               buff_B, rs_B, cs_B,
               buff_beta,  
               buff_C, rs_C, cs_C );

    break;
  }

  }
  
  return FLA_SUCCESS;
}
示例#2
0
FLA_Error FLA_Herc_external( FLA_Uplo uplo, FLA_Conj conj, FLA_Obj alpha, FLA_Obj x, FLA_Obj A )
{
  FLA_Datatype datatype;
  int          m_A;
  int          rs_A, cs_A;
  int          inc_x; 
  uplo_t       blis_uplo;
  conj_t       blis_conj;

  if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING ) 
    FLA_Herc_check( uplo, conj, alpha, x, A );

  if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;

  datatype = FLA_Obj_datatype( A );

  m_A      = FLA_Obj_length( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );

  inc_x    = FLA_Obj_vector_inc( x );

  FLA_Param_map_flame_to_blis_uplo( uplo, &blis_uplo );
  FLA_Param_map_flame_to_blis_conj( conj, &blis_conj );


  switch( datatype ){

  case FLA_FLOAT:
  {
    float *buff_A     = ( float * ) FLA_FLOAT_PTR( A );
    float *buff_x     = ( float * ) FLA_FLOAT_PTR( x );
    float *buff_alpha = ( float * ) FLA_FLOAT_PTR( alpha );

    bli_ssyr( blis_uplo,
              m_A,
              buff_alpha,
              buff_x, inc_x,
              buff_A, rs_A, cs_A ); 
    break;
  }

  case FLA_DOUBLE:
  {
    double *buff_A     = ( double * ) FLA_DOUBLE_PTR( A );
    double *buff_x     = ( double * ) FLA_DOUBLE_PTR( x );
    double *buff_alpha = ( double * ) FLA_DOUBLE_PTR( alpha );

    bli_dsyr( blis_uplo,
              m_A,
              buff_alpha,
              buff_x, inc_x,
              buff_A, rs_A, cs_A ); 
    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_A     = ( scomplex * ) FLA_COMPLEX_PTR( A );
    scomplex *buff_x     = ( scomplex * ) FLA_COMPLEX_PTR( x );
    float    *buff_alpha = ( float    * ) FLA_FLOAT_PTR( alpha );

    bli_cher( blis_uplo,
              blis_conj,
              m_A,
              buff_alpha,
              buff_x, inc_x,
              buff_A, rs_A, cs_A ); 

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
    dcomplex *buff_x     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( x );
    double   *buff_alpha = ( double   * ) FLA_DOUBLE_PTR( alpha );

    bli_zher( blis_uplo,
              blis_conj,
              m_A,
              buff_alpha,
              buff_x, inc_x,
              buff_A, rs_A, cs_A ); 

    break;
  }

  }

  return FLA_SUCCESS;
}
示例#3
0
FLA_Error FLA_Trmv_external( FLA_Uplo uplo, FLA_Trans trans, FLA_Diag diag, FLA_Obj A, FLA_Obj x ) 
{
  FLA_Datatype datatype;
  int          m_A;
  int          rs_A, cs_A;
  int          inc_x;
  uplo1_t       blis_uplo;
  trans1_t      blis_trans;
  diag1_t       blis_diag;

  if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING ) 
    FLA_Trmv_check( uplo, trans, diag, A, x );

  if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;

  datatype = FLA_Obj_datatype( A );

  m_A      = FLA_Obj_length( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );

  inc_x    = FLA_Obj_vector_inc( x );

  FLA_Param_map_flame_to_blis_uplo( uplo, &blis_uplo );
  FLA_Param_map_flame_to_blis_trans( trans, &blis_trans );
  FLA_Param_map_flame_to_blis_diag( diag, &blis_diag );


  switch( datatype ){

  case FLA_FLOAT:
  {
    float *buff_A = ( float * ) FLA_FLOAT_PTR( A );
    float *buff_x = ( float * ) FLA_FLOAT_PTR( x );

    bl1_strmv( blis_uplo,
               blis_trans,
               blis_diag,
               m_A,
               buff_A, rs_A, cs_A,
               buff_x, inc_x );

    break;
  }

  case FLA_DOUBLE:
  {
    double *buff_A = ( double * ) FLA_DOUBLE_PTR( A );
    double *buff_x = ( double * ) FLA_DOUBLE_PTR( x );

    bl1_dtrmv( blis_uplo,
               blis_trans,
               blis_diag,
               m_A,
               buff_A, rs_A, cs_A,
               buff_x, inc_x );

    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_A = ( scomplex * ) FLA_COMPLEX_PTR( A );
    scomplex *buff_x = ( scomplex * ) FLA_COMPLEX_PTR( x );

    bl1_ctrmv( blis_uplo,
               blis_trans,
               blis_diag,
               m_A,
               buff_A, rs_A, cs_A,
               buff_x, inc_x );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
    dcomplex *buff_x = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( x );

    bl1_ztrmv( blis_uplo,
               blis_trans,
               blis_diag,
               m_A,
               buff_A, rs_A, cs_A,
               buff_x, inc_x );

    break;
  }

  }

  return FLA_SUCCESS;
}
示例#4
0
FLA_Error FLA_Symmetrize( FLA_Uplo uplo, FLA_Obj A )
{
  FLA_Datatype datatype;
  dim_t        n_A;
  dim_t        rs_A, cs_A;
  conj_t       blis_conj;
  uplo_t       blis_uplo;

  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_Symmetrize_check( uplo, A );

  datatype = FLA_Obj_datatype( A );

  n_A      = FLA_Obj_width( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );

  FLA_Param_map_flame_to_blis_conj( FLA_NO_CONJUGATE, &blis_conj );
  FLA_Param_map_flame_to_blis_uplo( uplo,             &blis_uplo );


  switch ( datatype ){

  case FLA_FLOAT:
  {
    float *buff_A = ( float * ) FLA_FLOAT_PTR( A );

    bli_ssymmize( blis_conj,
                  blis_uplo,
                  n_A,
                  buff_A, rs_A, cs_A );

    break;
  }

  case FLA_DOUBLE:
  {
    double *buff_A = ( double * ) FLA_DOUBLE_PTR( A );

    bli_dsymmize( blis_conj,
                  blis_uplo,
                  n_A,
                  buff_A, rs_A, cs_A );

    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_A = ( scomplex * ) FLA_COMPLEX_PTR( A );

    bli_csymmize( blis_conj,
                  blis_uplo,
                  n_A,
                  buff_A, rs_A, cs_A );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );

    bli_zsymmize( blis_conj,
                  blis_uplo,
                  n_A,
                  buff_A, rs_A, cs_A );

    break;
  }

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Random_tri_matrix( FLA_Uplo uplo, FLA_Diag diag, FLA_Obj A )
{
  FLA_Datatype datatype;
  int          m_A, n_A;
  int          rs_A, cs_A;
  uplo1_t       blis_uplo;
  diag1_t       blis_diag;

  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_Random_tri_matrix_check( uplo, diag, A );

  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 );

  FLA_Param_map_flame_to_blis_uplo( uplo, &blis_uplo );
  FLA_Param_map_flame_to_blis_diag( diag, &blis_diag );


  switch( datatype ){

  case FLA_FLOAT:
  {
    float *buff_A = ( float * ) FLA_FLOAT_PTR( A );

    bl1_srandmr( blis_uplo,
                 blis_diag,
                 m_A,
                 n_A,
                 buff_A, rs_A, cs_A );

    break;
  }

  case FLA_DOUBLE:
  {
    double *buff_A = ( double * ) FLA_DOUBLE_PTR( A );

    bl1_drandmr( blis_uplo,
                 blis_diag,
                 m_A,
                 n_A,
                 buff_A, rs_A, cs_A );

    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_A = ( scomplex * ) FLA_COMPLEX_PTR( A );

    bl1_crandmr( blis_uplo,
                 blis_diag,
                 m_A,
                 n_A,
                 buff_A, rs_A, cs_A );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );

    bl1_zrandmr( blis_uplo,
                 blis_diag,
                 m_A,
                 n_A,
                 buff_A, rs_A, cs_A );

    break;
  }

  }

  return FLA_SUCCESS;
}
示例#6
0
FLA_Error FLA_Her2k_external( FLA_Uplo uplo, FLA_Trans trans, FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C )
{
  FLA_Datatype datatype;
  int          k_AB;
  int          m_A, n_A;
  int          m_C;
  int          rs_A, cs_A;
  int          rs_B, cs_B;
  int          rs_C, cs_C;
  uplo_t       blis_uplo; 
  trans_t      blis_trans;

  if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING ) 
    FLA_Her2k_check( uplo, trans, alpha, A, B, beta, C );

  if ( FLA_Obj_has_zero_dim( C ) ) return FLA_SUCCESS;

  if ( FLA_Obj_has_zero_dim( A ) || FLA_Obj_has_zero_dim( B ) )
  {
    FLA_Scal_external( beta, C );
    return FLA_SUCCESS;
  }

  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_B     = FLA_Obj_row_stride( B );
  cs_B     = FLA_Obj_col_stride( B );

  m_C      = FLA_Obj_length( C );
  rs_C     = FLA_Obj_row_stride( C );
  cs_C     = FLA_Obj_col_stride( C );

  if ( trans == FLA_NO_TRANSPOSE )
    k_AB = n_A;
  else
    k_AB = m_A;

  FLA_Param_map_flame_to_blis_uplo( uplo, &blis_uplo );
  FLA_Param_map_flame_to_blis_trans( trans, &blis_trans );


  switch( datatype ){

  case FLA_FLOAT:
  {
    float *buff_A     = ( float * ) FLA_FLOAT_PTR( A );
    float *buff_B     = ( float * ) FLA_FLOAT_PTR( B );
    float *buff_C     = ( float * ) FLA_FLOAT_PTR( C );
    float *buff_alpha = ( float * ) FLA_FLOAT_PTR( alpha );
    float *buff_beta  = ( float * ) FLA_FLOAT_PTR( beta );

    bli_ssyr2k( blis_uplo,
                blis_trans,
                m_C,
                k_AB,
                buff_alpha,
                buff_A, rs_A, cs_A,
                buff_B, rs_B, cs_B,
                buff_beta,
                buff_C, rs_C, cs_C );

    break;
  }

  case FLA_DOUBLE:
  {
    double *buff_A     = ( double * ) FLA_DOUBLE_PTR( A );
    double *buff_B     = ( double * ) FLA_DOUBLE_PTR( B );
    double *buff_C     = ( double * ) FLA_DOUBLE_PTR( C );
    double *buff_alpha = ( double * ) FLA_DOUBLE_PTR( alpha );
    double *buff_beta  = ( double * ) FLA_DOUBLE_PTR( beta );

    bli_dsyr2k( blis_uplo,
                blis_trans,
                m_C,
                k_AB,
                buff_alpha,
                buff_A, rs_A, cs_A,
                buff_B, rs_B, cs_B,
                buff_beta,
                buff_C, rs_C, cs_C );

    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_A     = ( scomplex * ) FLA_COMPLEX_PTR( A );
    scomplex *buff_B     = ( scomplex * ) FLA_COMPLEX_PTR( B );
    scomplex *buff_C     = ( scomplex * ) FLA_COMPLEX_PTR( C );
    scomplex *buff_alpha = ( scomplex * ) FLA_COMPLEX_PTR( alpha );
    float    *buff_beta  = ( float    * ) FLA_FLOAT_PTR( beta );

    bli_cher2k( blis_uplo,
                blis_trans,
                m_C,
                k_AB,
                buff_alpha,
                buff_A, rs_A, cs_A,
                buff_B, rs_B, cs_B,
                buff_beta,
                buff_C, rs_C, cs_C );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
    dcomplex *buff_B     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( B );
    dcomplex *buff_C     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( C );
    dcomplex *buff_alpha = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( alpha );
    double   *buff_beta  = ( double   * ) FLA_DOUBLE_PTR( beta );

    bli_zher2k( blis_uplo,
                blis_trans,
                m_C,
                k_AB,
                buff_alpha,
                buff_A, rs_A, cs_A,
                buff_B, rs_B, cs_B,
                buff_beta,
                buff_C, rs_C, cs_C );

    break;
  }

  }
 
  return FLA_SUCCESS;
}
FLA_Error FLA_Max_abs_value_herm( FLA_Uplo uplo, FLA_Obj A, FLA_Obj maxabs )
{
  FLA_Datatype datatype;
  dim_t        n_A;
  dim_t        rs_A, cs_A;
  uplo1_t       blis_uplo;

  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_Max_abs_value_herm_check( uplo, A, maxabs );

  datatype = FLA_Obj_datatype( A );

  n_A      = FLA_Obj_width( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );
 
  FLA_Param_map_flame_to_blis_uplo( uplo, &blis_uplo );
 
  switch ( datatype ){

  case FLA_FLOAT:
  {
    float*    buff_A      = ( float    * ) FLA_FLOAT_PTR( A );
    float*    buff_maxabs = ( float    * ) FLA_FLOAT_PTR( maxabs );

    bl1_smaxabsmr( blis_uplo,
                   n_A,
                   n_A,
                   buff_A, rs_A, cs_A,
                   buff_maxabs );

    break;
  }

  case FLA_DOUBLE:
  {
    double*   buff_A      = ( double   * ) FLA_DOUBLE_PTR( A );
    double*   buff_maxabs = ( double   * ) FLA_DOUBLE_PTR( maxabs );

    bl1_dmaxabsmr( blis_uplo,
                   n_A,
                   n_A,
                   buff_A, rs_A, cs_A,
                   buff_maxabs );

    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_A      = ( scomplex * ) FLA_COMPLEX_PTR( A );
    float    *buff_maxabs = ( float    * ) FLA_FLOAT_PTR( maxabs );

    bl1_cmaxabsmr( blis_uplo,
                   n_A,
                   n_A,
                   buff_A, rs_A, cs_A,
                   buff_maxabs );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A      = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
    double   *buff_maxabs = ( double   * ) FLA_DOUBLE_PTR( maxabs );

    bl1_zmaxabsmr( blis_uplo,
                   n_A,
                   n_A,
                   buff_A, rs_A, cs_A,
                   buff_maxabs );

    break;
  }

  }

  return FLA_SUCCESS;
}
示例#8
0
FLA_Error FLA_Setr( FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A )
{
    FLA_Datatype datatype;
    int          m_A, n_A;
    int          rs_A, cs_A;
    uplo1_t       blis_uplo;

    if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING )
        FLA_Setr_check( uplo, alpha, A );

    if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;

    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 );

    FLA_Param_map_flame_to_blis_uplo( uplo, &blis_uplo );

    switch ( datatype ) {

    case FLA_FLOAT:
    {
        float *buff_alpha = ( float * ) FLA_FLOAT_PTR( alpha );
        float *buff_A     = ( float * ) FLA_FLOAT_PTR( A );

        bl1_ssetmr( blis_uplo,
                    m_A,
                    n_A,
                    buff_alpha,
                    buff_A, rs_A, cs_A );

        break;
    }

    case FLA_DOUBLE:
    {
        double *buff_alpha = ( double * ) FLA_DOUBLE_PTR( alpha );
        double *buff_A     = ( double * ) FLA_DOUBLE_PTR( A );

        bl1_dsetmr( blis_uplo,
                    m_A,
                    n_A,
                    buff_alpha,
                    buff_A, rs_A, cs_A );

        break;
    }

    case FLA_COMPLEX:
    {
        scomplex *buff_alpha = ( scomplex * ) FLA_COMPLEX_PTR( alpha );
        scomplex *buff_A     = ( scomplex * ) FLA_COMPLEX_PTR( A );

        bl1_csetmr( blis_uplo,
                    m_A,
                    n_A,
                    buff_alpha,
                    buff_A, rs_A, cs_A );

        break;
    }

    case FLA_DOUBLE_COMPLEX:
    {
        dcomplex *buff_alpha = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( alpha );
        dcomplex *buff_A     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );

        bl1_zsetmr( blis_uplo,
                    m_A,
                    n_A,
                    buff_alpha,
                    buff_A, rs_A, cs_A );

        break;
    }

    }

    return FLA_SUCCESS;
}
示例#9
0
FLA_Error FLA_Symv_external( FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y )
{
  FLA_Datatype datatype;
  int          m_A;
  int          rs_A, cs_A;
  int          inc_x;
  int          inc_y;
  uplo1_t       blis_uplo;

  if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING ) 
    FLA_Symv_check( uplo, alpha, A, x, beta, y );

  if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;

  datatype = FLA_Obj_datatype( A );

  m_A      = FLA_Obj_length( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );

  inc_x    = FLA_Obj_vector_inc( x );
  inc_y    = FLA_Obj_vector_inc( y );

  FLA_Param_map_flame_to_blis_uplo( uplo, &blis_uplo );


  switch( datatype ){

  case FLA_FLOAT:
  {
    float *buff_A     = ( float * ) FLA_FLOAT_PTR( A );
    float *buff_x     = ( float * ) FLA_FLOAT_PTR( x );
    float *buff_y     = ( float * ) FLA_FLOAT_PTR( y );
    float *buff_alpha = ( float * ) FLA_FLOAT_PTR( alpha );
    float *buff_beta  = ( float * ) FLA_FLOAT_PTR( beta );

    bl1_ssymv( blis_uplo,
               m_A,
               buff_alpha,
               buff_A, rs_A, cs_A, 
               buff_x, inc_x,
               buff_beta,
               buff_y, inc_y );

    break;
  }

  case FLA_DOUBLE:
  {
    double *buff_A     = ( double * ) FLA_DOUBLE_PTR( A );
    double *buff_x     = ( double * ) FLA_DOUBLE_PTR( x );
    double *buff_y     = ( double * ) FLA_DOUBLE_PTR( y );
    double *buff_alpha = ( double * ) FLA_DOUBLE_PTR( alpha );
    double *buff_beta  = ( double * ) FLA_DOUBLE_PTR( beta );

    bl1_dsymv( blis_uplo,
               m_A,
               buff_alpha,
               buff_A, rs_A, cs_A, 
               buff_x, inc_x,
               buff_beta,
               buff_y, inc_y );

    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_A     = ( scomplex * ) FLA_COMPLEX_PTR( A );
    scomplex *buff_x     = ( scomplex * ) FLA_COMPLEX_PTR( x );
    scomplex *buff_y     = ( scomplex * ) FLA_COMPLEX_PTR( y );
    scomplex *buff_alpha = ( scomplex * ) FLA_COMPLEX_PTR( alpha );
    scomplex *buff_beta  = ( scomplex * ) FLA_COMPLEX_PTR( beta );

    bl1_csymv( blis_uplo,
               m_A,
               buff_alpha,
               buff_A, rs_A, cs_A, 
               buff_x, inc_x,
               buff_beta,
               buff_y, inc_y );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
    dcomplex *buff_x     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( x );
    dcomplex *buff_y     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( y );
    dcomplex *buff_alpha = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( alpha );
    dcomplex *buff_beta  = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( beta );

    bl1_zsymv( blis_uplo,
               m_A,
               buff_alpha,
               buff_A, rs_A, cs_A, 
               buff_x, inc_x,
               buff_beta,
               buff_y, inc_y );

    break;
  }

  }

  return FLA_SUCCESS;
}