FLA_Trinv_unb_external.c File Reference

(r)

Functions
FLA_Error	FLA_Trinv_unb_external (FLA_Uplo uplo, FLA_Diag diag, FLA_Obj A)
FLA_Error	FLA_Trinv_ln_unb_ext (FLA_Obj A)
FLA_Error	FLA_Trinv_lu_unb_ext (FLA_Obj A)
FLA_Error	FLA_Trinv_un_unb_ext (FLA_Obj A)
FLA_Error	FLA_Trinv_uu_unb_ext (FLA_Obj A)

Function Documentation

FLA_Trinv_ln_unb_ext()

FLA_Error FLA_Trinv_ln_unb_ext

(

FLA_Obj

A

)

{
  return FLA_Trinv_unb_external( FLA_LOWER_TRIANGULAR, FLA_NONUNIT_DIAG, A );
}

References FLA_Trinv_unb_external(), and i.

Referenced by FLA_Trinv_ln().

FLA_Trinv_lu_unb_ext()

FLA_Error FLA_Trinv_lu_unb_ext

(

FLA_Obj

A

)

{
  return FLA_Trinv_unb_external( FLA_LOWER_TRIANGULAR, FLA_UNIT_DIAG, A );
}

References FLA_Trinv_unb_external(), and i.

Referenced by FLA_Trinv_lu().

FLA_Trinv_un_unb_ext()

FLA_Error FLA_Trinv_un_unb_ext

(

FLA_Obj

A

)

{
  return FLA_Trinv_unb_external( FLA_UPPER_TRIANGULAR, FLA_NONUNIT_DIAG, A );
}

References FLA_Trinv_unb_external(), and i.

Referenced by FLA_Trinv_un().

FLA_Trinv_unb_external()

FLA_Error FLA_Trinv_unb_external	(	FLA_Uplo	uplo,
		FLA_Diag	diag,
		FLA_Obj	A
	)

{
  FLA_Error    r_val = FLA_SUCCESS;
#ifdef FLA_ENABLE_EXTERNAL_LAPACK_INTERFACES
  int          info;
  FLA_Datatype datatype;
  int          m_A, cs_A;
  char         blas_uplo;
  char         blas_diag;
 
  if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING )
    FLA_Trinv_check( uplo, diag, A );
 
  if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;
 
  datatype = FLA_Obj_datatype( A );
 
  m_A      = FLA_Obj_length( A );
  cs_A     = FLA_Obj_col_stride( A );
 
  FLA_Param_map_flame_to_netlib_uplo( uplo, &blas_uplo );
  FLA_Param_map_flame_to_netlib_diag( diag, &blas_diag );
 
 
  switch( datatype ){
 
  case FLA_FLOAT:
  {
    float *buff_A = ( float * ) FLA_FLOAT_PTR( A );
 
    F77_strti2( &blas_uplo,
                &blas_diag,
                &m_A,
                buff_A, &cs_A,
                &info );
 
    break;
  }
 
  case FLA_DOUBLE:
  {
    double *buff_A = ( double * ) FLA_DOUBLE_PTR( A );
 
    F77_dtrti2( &blas_uplo,
                &blas_diag,
                &m_A,
                buff_A, &cs_A,
                &info );
 
    break;
  } 
 
  case FLA_COMPLEX:
  {
    scomplex *buff_A = ( scomplex * ) FLA_COMPLEX_PTR( A );
 
    F77_ctrti2( &blas_uplo,
                &blas_diag,
                &m_A,
                buff_A, &cs_A,
                &info );
 
    break;
  } 
 
  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
 
    F77_ztrti2( &blas_uplo,
                &blas_diag,
                &m_A,
                buff_A, &cs_A,
                &info );
 
    break;
  } 
 
  }
 
  // Convert to zero-based indexing, if an index was reported.
  if ( info > 0 ) r_val = info - 1;
  else            r_val = FLA_SUCCESS;
 
#else
  FLA_Check_error_code( FLA_EXTERNAL_LAPACK_NOT_IMPLEMENTED );
#endif
 
  return r_val;
}

References F77_ctrti2(), F77_dtrti2(), F77_strti2(), F77_ztrti2(), FLA_Check_error_level(), FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_has_zero_dim(), FLA_Obj_length(), FLA_Param_map_flame_to_netlib_diag(), FLA_Param_map_flame_to_netlib_uplo(), FLA_Trinv_check(), and i.

Referenced by FLA_Trinv_ln_unb_ext(), FLA_Trinv_lu_unb_ext(), FLA_Trinv_un_unb_ext(), and FLA_Trinv_uu_unb_ext().

FLA_Trinv_uu_unb_ext()

FLA_Error FLA_Trinv_uu_unb_ext

(

FLA_Obj

A

)

{
  return FLA_Trinv_unb_external( FLA_UPPER_TRIANGULAR, FLA_UNIT_DIAG, A );
}

References FLA_Trinv_unb_external(), and i.

Referenced by FLA_Trinv_uu().