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Functions
FLA_Trinv_lu_opt_var3.c File Reference

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Functions

FLA_Error FLA_Trinv_lu_opt_var3 (FLA_Obj A)
FLA_Error FLA_Trinv_lu_ops_var3 (int mn_A, float *buff_A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_lu_opd_var3 (int mn_A, double *buff_A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_lu_opc_var3 (int mn_A, scomplex *buff_A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_lu_opz_var3 (int mn_A, dcomplex *buff_A, int rs_A, int cs_A)

Function Documentation

FLA_Error FLA_Trinv_lu_opc_var3 ( int  mn_A,
scomplex buff_A,
int  rs_A,
int  cs_A 
)

References bli_cger(), bli_cscalv(), FLA_MINUS_ONE, and FLA_ONE.

Referenced by FLA_Trinv_lu_opt_var3().

{
  scomplex* buff_1  = FLA_COMPLEX_PTR( FLA_ONE );
  scomplex* buff_m1 = FLA_COMPLEX_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    scomplex* a10t      = buff_A + (0  )*cs_A + (i  )*rs_A;
    scomplex* A20       = buff_A + (0  )*cs_A + (i+1)*rs_A;
    scomplex* a21       = buff_A + (i  )*cs_A + (i+1)*rs_A;

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

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

    // FLA_Scal_external( FLA_MINUS_ONE, a21 );
    bli_cscalv( BLIS_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a21, rs_A );

    // FLA_Ger_external( FLA_ONE, a21, a10t, A20 );
    bli_cger( BLIS_NO_CONJUGATE,
              BLIS_NO_CONJUGATE,
              mn_ahead,
              mn_behind,
              buff_1,
              a21, rs_A,
              a10t, cs_A,
              A20, rs_A, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_lu_opd_var3 ( int  mn_A,
double *  buff_A,
int  rs_A,
int  cs_A 
)

References bli_dger(), bli_dscalv(), FLA_MINUS_ONE, and FLA_ONE.

Referenced by FLA_Trinv_lu_opt_var3().

{
  double*   buff_1  = FLA_DOUBLE_PTR( FLA_ONE );
  double*   buff_m1 = FLA_DOUBLE_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    double*   a10t      = buff_A + (0  )*cs_A + (i  )*rs_A;
    double*   A20       = buff_A + (0  )*cs_A + (i+1)*rs_A;
    double*   a21       = buff_A + (i  )*cs_A + (i+1)*rs_A;

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

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

    // FLA_Scal_external( FLA_MINUS_ONE, a21 );
    bli_dscalv( BLIS_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a21, rs_A );

    // FLA_Ger_external( FLA_ONE, a21, a10t, A20 );
    bli_dger( BLIS_NO_CONJUGATE,
              BLIS_NO_CONJUGATE,
              mn_ahead,
              mn_behind,
              buff_1,
              a21, rs_A,
              a10t, cs_A,
              A20, rs_A, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_lu_ops_var3 ( int  mn_A,
float *  buff_A,
int  rs_A,
int  cs_A 
)

References bli_sger(), bli_sscalv(), FLA_MINUS_ONE, and FLA_ONE.

Referenced by FLA_Trinv_lu_opt_var3().

{
  float*    buff_1  = FLA_FLOAT_PTR( FLA_ONE );
  float*    buff_m1 = FLA_FLOAT_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    float*    a10t      = buff_A + (0  )*cs_A + (i  )*rs_A;
    float*    A20       = buff_A + (0  )*cs_A + (i+1)*rs_A;
    float*    a21       = buff_A + (i  )*cs_A + (i+1)*rs_A;

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

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

    // FLA_Scal_external( FLA_MINUS_ONE, a21 );
    bli_sscalv( BLIS_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a21, rs_A );

    // FLA_Ger_external( FLA_ONE, a21, a10t, A20 );
    bli_sger( BLIS_NO_CONJUGATE,
              BLIS_NO_CONJUGATE,
              mn_ahead,
              mn_behind,
              buff_1,
              a21, rs_A,
              a10t, cs_A,
              A20, rs_A, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_lu_opt_var3 ( FLA_Obj  A)

References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Trinv_lu_opc_var3(), FLA_Trinv_lu_opd_var3(), FLA_Trinv_lu_ops_var3(), and FLA_Trinv_lu_opz_var3().

Referenced by FLA_Trinv_lu().

{
  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_Trinv_lu_ops_var3( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

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

      FLA_Trinv_lu_opd_var3( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

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

      FLA_Trinv_lu_opc_var3( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

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

      FLA_Trinv_lu_opz_var3( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }
  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_lu_opz_var3 ( int  mn_A,
dcomplex buff_A,
int  rs_A,
int  cs_A 
)

References bli_zger(), bli_zscalv(), FLA_MINUS_ONE, and FLA_ONE.

Referenced by FLA_Trinv_lu_opt_var3().

{
  dcomplex* buff_1  = FLA_DOUBLE_COMPLEX_PTR( FLA_ONE );
  dcomplex* buff_m1 = FLA_DOUBLE_COMPLEX_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    dcomplex* a10t      = buff_A + (0  )*cs_A + (i  )*rs_A;
    dcomplex* A20       = buff_A + (0  )*cs_A + (i+1)*rs_A;
    dcomplex* a21       = buff_A + (i  )*cs_A + (i+1)*rs_A;

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

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

    // FLA_Scal_external( FLA_MINUS_ONE, a21 );
    bli_zscalv( BLIS_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a21, rs_A );

    // FLA_Ger_external( FLA_ONE, a21, a10t, A20 );
    bli_zger( BLIS_NO_CONJUGATE,
              BLIS_NO_CONJUGATE,
              mn_ahead,
              mn_behind,
              buff_1,
              a21, rs_A,
              a10t, cs_A,
              A20, rs_A, cs_A );

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

  }

  return FLA_SUCCESS;
}