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Functions
FLA_Trinv_ln_opt_var2.c File Reference

(r)

Functions

FLA_Error FLA_Trinv_ln_opt_var2 (FLA_Obj A)
FLA_Error FLA_Trinv_ln_ops_var2 (int mn_A, float *buff_A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_ln_opd_var2 (int mn_A, double *buff_A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_ln_opc_var2 (int mn_A, scomplex *buff_A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_ln_opz_var2 (int mn_A, dcomplex *buff_A, int rs_A, int cs_A)

Function Documentation

FLA_Error FLA_Trinv_ln_opc_var2 ( int  mn_A,
scomplex buff_A,
int  rs_A,
int  cs_A 
)

References bl1_cinverts(), bl1_cinvscalv(), bl1_ctrsv(), BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, and BLIS1_NONUNIT_DIAG.

Referenced by FLA_Trinv_ln_opt_var2().

{
  scomplex  alpha11_m1;
  int       i;

  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;

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

    // FLA_Trsv_external( FLA_LOWER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, A22, a21 );
    bl1_ctrsv( BLIS1_LOWER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_NONUNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a21, rs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a21 );
    // FLA_Inv_scal_external( alpha11, a21 );
    bl1_cneg2( alpha11, &alpha11_m1 );
    bl1_cinvscalv( BLIS1_NO_CONJUGATE,
                   mn_ahead,
                   &alpha11_m1,
                   a21, rs_A );

    // FLA_Invert( FLA_NO_CONJUGATE, alpha11 );
    bl1_cinverts( BLIS1_NO_CONJUGATE,
                  alpha11 );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_ln_opd_var2 ( int  mn_A,
double *  buff_A,
int  rs_A,
int  cs_A 
)

References bl1_dinverts(), bl1_dinvscalv(), bl1_dtrsv(), BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, and BLIS1_NONUNIT_DIAG.

Referenced by FLA_Trinv_ln_opt_var2().

{
  double    alpha11_m1;
  int       i;

  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;

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

    // FLA_Trsv_external( FLA_LOWER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, A22, a21 );
    bl1_dtrsv( BLIS1_LOWER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_NONUNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a21, rs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a21 );
    // FLA_Inv_scal_external( alpha11, a21 );
    bl1_dneg2( alpha11, &alpha11_m1 );
    bl1_dinvscalv( BLIS1_NO_CONJUGATE,
                   mn_ahead,
                   &alpha11_m1,
                   a21, rs_A );

    // FLA_Invert( FLA_NO_CONJUGATE, alpha11 );
    bl1_dinverts( BLIS1_NO_CONJUGATE,
                  alpha11 );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_ln_ops_var2 ( int  mn_A,
float *  buff_A,
int  rs_A,
int  cs_A 
)

References bl1_sinverts(), bl1_sinvscalv(), bl1_strsv(), BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, and BLIS1_NONUNIT_DIAG.

Referenced by FLA_Trinv_ln_opt_var2().

{
  float     alpha11_m1;
  int       i;

  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;

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

    // FLA_Trsv_external( FLA_LOWER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, A22, a21 );
    bl1_strsv( BLIS1_LOWER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_NONUNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a21, rs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a21 );
    // FLA_Inv_scal_external( alpha11, a21 );
    bl1_sneg2( alpha11, &alpha11_m1 );
    bl1_sinvscalv( BLIS1_NO_CONJUGATE,
                   mn_ahead,
                   &alpha11_m1,
                   a21, rs_A );

    // FLA_Invert( FLA_NO_CONJUGATE, alpha11 );
    bl1_sinverts( BLIS1_NO_CONJUGATE,
                  alpha11 );

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

  }

  return FLA_SUCCESS;
}

References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Trinv_ln_opc_var2(), FLA_Trinv_ln_opd_var2(), FLA_Trinv_ln_ops_var2(), and FLA_Trinv_ln_opz_var2().

Referenced by FLA_Trinv_ln().

{
  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_ln_ops_var2( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

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

      FLA_Trinv_ln_opd_var2( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

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

      FLA_Trinv_ln_opc_var2( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

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

      FLA_Trinv_ln_opz_var2( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }
  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_ln_opz_var2 ( int  mn_A,
dcomplex buff_A,
int  rs_A,
int  cs_A 
)

References bl1_zinverts(), bl1_zinvscalv(), bl1_ztrsv(), BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, and BLIS1_NONUNIT_DIAG.

Referenced by FLA_Trinv_ln_opt_var2().

{
  dcomplex  alpha11_m1;
  int       i;

  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;

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

    // FLA_Trsv_external( FLA_LOWER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, A22, a21 );
    bl1_ztrsv( BLIS1_LOWER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_NONUNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a21, rs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a21 );
    // FLA_Inv_scal_external( alpha11, a21 );
    bl1_zneg2( alpha11, &alpha11_m1 );
    bl1_zinvscalv( BLIS1_NO_CONJUGATE,
                   mn_ahead,
                   &alpha11_m1,
                   a21, rs_A );

    // FLA_Invert( FLA_NO_CONJUGATE, alpha11 );
    bl1_zinverts( BLIS1_NO_CONJUGATE,
                  alpha11 );

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

  }

  return FLA_SUCCESS;
}