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Functions
FLA_Chol_l_opt_var3.c File Reference

(r)

Functions

FLA_Error FLA_Chol_l_opt_var3 (FLA_Obj A)
FLA_Error FLA_Chol_l_ops_var3 (int mn_A, float *buff_A, int rs_A, int cs_A)
FLA_Error FLA_Chol_l_opd_var3 (int mn_A, double *buff_A, int rs_A, int cs_A)
FLA_Error FLA_Chol_l_opc_var3 (int mn_A, scomplex *buff_A, int rs_A, int cs_A)
FLA_Error FLA_Chol_l_opz_var3 (int mn_A, dcomplex *buff_A, int rs_A, int cs_A)

Function Documentation

FLA_Error FLA_Chol_l_opc_var3 ( int  mn_A,
scomplex buff_A,
int  rs_A,
int  cs_A 
)

References bli_cher(), bli_cinvscalv(), BLIS_LOWER_TRIANGULAR, BLIS_NO_CONJUGATE, and FLA_MINUS_ONE.

Referenced by FLA_Chol_l_opt_var3().

{
  float*    buff_m1 = FLA_FLOAT_PTR( FLA_MINUS_ONE );
  int       i;
  FLA_Error e_val;

  for ( i = 0; i < mn_A; ++i )
  {
    scomplex* alpha11   = buff_A + (i  )*cs_A + (i  )*rs_A;
    scomplex* a21       = buff_A + (i  )*cs_A + (i+1)*rs_A;
    scomplex* A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

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

    /*------------------------------------------------------------*/

    // value = FLA_Sqrt( alpha11 );
    // if ( value != FLA_SUCCESS )
    //   return ( FLA_Obj_length( A00 ) + 1 );
    bli_csqrte( alpha11, &e_val );
    if ( e_val != FLA_SUCCESS ) return mn_behind;

    // FLA_Inv_scal_external( alpha11, a21 );
    bli_cinvscalv( BLIS_NO_CONJUGATE,
                   mn_ahead,
                   alpha11,
                   a21, rs_A );

    // FLA_Her_external( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, a21, A22 );
    bli_cher( BLIS_LOWER_TRIANGULAR,
              BLIS_NO_CONJUGATE,
              mn_ahead,
              buff_m1,
              a21, rs_A,
              A22, rs_A, cs_A );

    /*------------------------------------------------------------*/

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Chol_l_opd_var3 ( int  mn_A,
double *  buff_A,
int  rs_A,
int  cs_A 
)

References bli_dinvscalv(), bli_dsyr(), BLIS_LOWER_TRIANGULAR, BLIS_NO_CONJUGATE, and FLA_MINUS_ONE.

Referenced by FLA_Chol_l_opt_var3().

{
  double*   buff_m1 = FLA_DOUBLE_PTR( FLA_MINUS_ONE );
  int       i;
  FLA_Error e_val;

  for ( i = 0; i < mn_A; ++i )
  {
    double*   alpha11   = buff_A + (i  )*cs_A + (i  )*rs_A;
    double*   a21       = buff_A + (i  )*cs_A + (i+1)*rs_A;
    double*   A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

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

    /*------------------------------------------------------------*/

    // value = FLA_Sqrt( alpha11 );
    // if ( value != FLA_SUCCESS )
    //   return ( FLA_Obj_length( A00 ) + 1 );
    bli_dsqrte( alpha11, &e_val );
    if ( e_val != FLA_SUCCESS ) return mn_behind;

    // FLA_Inv_scal_external( alpha11, a21 );
    bli_dinvscalv( BLIS_NO_CONJUGATE,
                   mn_ahead,
                   alpha11,
                   a21, rs_A );

    // FLA_Her_external( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, a21, A22 );
    bli_dsyr( BLIS_LOWER_TRIANGULAR,
              mn_ahead,
              buff_m1,
              a21, rs_A,
              A22, rs_A, cs_A );

    /*------------------------------------------------------------*/

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Chol_l_ops_var3 ( int  mn_A,
float *  buff_A,
int  rs_A,
int  cs_A 
)

References bli_sinvscalv(), bli_ssyr(), BLIS_LOWER_TRIANGULAR, BLIS_NO_CONJUGATE, and FLA_MINUS_ONE.

Referenced by FLA_Chol_l_opt_var3().

{
  float*    buff_m1 = FLA_FLOAT_PTR( FLA_MINUS_ONE );
  int       i;
  FLA_Error e_val;

  for ( i = 0; i < mn_A; ++i )
  {
    float*    alpha11   = buff_A + (i  )*cs_A + (i  )*rs_A;
    float*    a21       = buff_A + (i  )*cs_A + (i+1)*rs_A;
    float*    A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

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

    /*------------------------------------------------------------*/

    // value = FLA_Sqrt( alpha11 );
    // if ( value != FLA_SUCCESS )
    //   return ( FLA_Obj_length( A00 ) + 1 );
    bli_ssqrte( alpha11, &e_val );
    if ( e_val != FLA_SUCCESS ) return mn_behind;

    // FLA_Inv_scal_external( alpha11, a21 );
    bli_sinvscalv( BLIS_NO_CONJUGATE,
                   mn_ahead,
                   alpha11,
                   a21, rs_A );

    // FLA_Her_external( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, a21, A22 );
    bli_ssyr( BLIS_LOWER_TRIANGULAR,
              mn_ahead,
              buff_m1,
              a21, rs_A,
              A22, rs_A, cs_A );

    /*------------------------------------------------------------*/

  }

  return FLA_SUCCESS;
}

References FLA_Chol_l_opc_var3(), FLA_Chol_l_opd_var3(), FLA_Chol_l_ops_var3(), FLA_Chol_l_opz_var3(), FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), and FLA_Obj_row_stride().

Referenced by FLA_Chol_l().

{
  FLA_Datatype datatype;
  int          mn_A;
  int          rs_A, cs_A;

  datatype = FLA_Obj_datatype( A );

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

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

      FLA_Chol_l_ops_var3( mn_A,
                           buff_A, rs_A, cs_A );

      break;
    }

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

      FLA_Chol_l_opd_var3( mn_A,
                           buff_A, rs_A, cs_A );

      break;
    }

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

      FLA_Chol_l_opc_var3( mn_A,
                           buff_A, rs_A, cs_A );

      break;
    }

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

      FLA_Chol_l_opz_var3( mn_A,
                           buff_A, rs_A, cs_A );

      break;
    }
  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Chol_l_opz_var3 ( int  mn_A,
dcomplex buff_A,
int  rs_A,
int  cs_A 
)

References bli_zher(), bli_zinvscalv(), BLIS_LOWER_TRIANGULAR, BLIS_NO_CONJUGATE, and FLA_MINUS_ONE.

Referenced by FLA_Chol_l_opt_var3().

{
  double*   buff_m1 = FLA_DOUBLE_PTR( FLA_MINUS_ONE );
  int       i;
  FLA_Error e_val;

  for ( i = 0; i < mn_A; ++i )
  {
    dcomplex* alpha11   = buff_A + (i  )*cs_A + (i  )*rs_A;
    dcomplex* a21       = buff_A + (i  )*cs_A + (i+1)*rs_A;
    dcomplex* A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

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

    /*------------------------------------------------------------*/

    // value = FLA_Sqrt( alpha11 );
    // if ( value != FLA_SUCCESS )
    //   return ( FLA_Obj_length( A00 ) + 1 );
    bli_zsqrte( alpha11, &e_val );
    if ( e_val != FLA_SUCCESS ) return mn_behind;

    // FLA_Inv_scal_external( alpha11, a21 );
    bli_zinvscalv( BLIS_NO_CONJUGATE,
                   mn_ahead,
                   alpha11,
                   a21, rs_A );

    // FLA_Her_external( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, a21, A22 );
    bli_zher( BLIS_LOWER_TRIANGULAR,
              BLIS_NO_CONJUGATE,
              mn_ahead,
              buff_m1,
              a21, rs_A,
              A22, rs_A, cs_A );

    /*------------------------------------------------------------*/

  }

  return FLA_SUCCESS;
}