FLA_LU_piv_solve.c File Reference

(r)

Functions
FLA_Error	FLA_LU_piv_solve (FLA_Obj A, FLA_Obj p, FLA_Obj B, FLA_Obj X)

Function Documentation

FLA_LU_piv_solve()

FLA_Error FLA_LU_piv_solve	(	FLA_Obj	A,
		FLA_Obj	p,
		FLA_Obj	B,
		FLA_Obj	X
	)

{
  // Check parameters.
  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_LU_piv_solve_check( A, p, B, X );
 
  if ( FLA_Obj_is_identical( B, X ) == FALSE ) 
    FLA_Copy_external( B, X );
 
  FLA_Apply_pivots( FLA_LEFT, FLA_NO_TRANSPOSE, p, X );
 
  FLA_Trsm_external( FLA_LEFT, FLA_LOWER_TRIANGULAR, FLA_NO_TRANSPOSE,
                     FLA_UNIT_DIAG, FLA_ONE, A, X );
  FLA_Trsm_external( FLA_LEFT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE,
                     FLA_NONUNIT_DIAG, FLA_ONE, A, X );
 
  return FLA_SUCCESS;
}

References FLA_Apply_pivots(), FLA_Check_error_level(), FLA_Copy_external(), FLA_LU_piv_solve_check(), FLA_Obj_is_identical(), FLA_ONE, FLA_Trsm_external(), and i.