------------------------------------------------------------------------------ -- -- -- GNAT RUNTIME COMPONENTS -- -- -- -- S Y S T E M . E X P _ G E N -- -- -- -- S p e c -- -- -- -- -- -- Copyright (C) 1992,1993,1994,1995 Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 2, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- -- Public License distributed with GNAT; see file COPYING. If not, write -- -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- -- MA 02111-1307, USA. -- -- -- -- As a special exception, if other files instantiate generics from this -- -- unit, or you link this unit with other files to produce an executable, -- -- this unit does not by itself cause the resulting executable to be -- -- covered by the GNU General Public License. This exception does not -- -- however invalidate any other reasons why the executable file might be -- -- covered by the GNU Public License. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- This package contains the generic functions which are instantiated with -- predefined integer and real types to generate the runtime exponentiation -- functions called by expanded code generated by Expand_Op_Expon. This -- version of the package contains routines that are compiled with overflow -- checks enabled, so they are called for exponentiation operations which -- require overflow checking package System.Exp_Gen is pragma Pure (System.Exp_Gen); -- Exponentiation for float types (checks on) generic type Type_Of_Base is digits <>; function Exp_Float_Type (Left : Type_Of_Base; Right : Integer) return Type_Of_Base; -- Exponentiation for signed integer types (checks on) generic type Type_Of_Base is range <>; function Exp_Integer_Type (Left : Type_Of_Base; Right : Natural) return Type_Of_Base; end System.Exp_Gen;