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-- CA11D010.A

--

--                             Grant of Unlimited Rights

--

--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,

--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained

--     unlimited rights in the software and documentation contained herein.

--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making

--     this public release, the Government intends to confer upon all

--     recipients unlimited rights  equal to those held by the Government.

--     These rights include rights to use, duplicate, release or disclose the

--     released technical data and computer software in whole or in part, in

--     any manner and for any purpose whatsoever, and to have or permit others

--     to do so.

--

--                                    DISCLAIMER

--

--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR

--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED

--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE

--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE

--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A

--     PARTICULAR PURPOSE OF SAID MATERIAL.

--*

--

-- OBJECTIVE:

--      See CA11D013.AM

--

-- TEST DESCRIPTION:

--      See CA11D013.AM

--

-- TEST FILES:

--      The following files comprise this test:

--

--         FA11D00.A

--      => CA11D010.A

--         CA11D011.A

--         CA11D012.A

--         CA11D013.AM

--

-- CHANGE HISTORY:

--      06 Dec 94   SAIC    ACVC 2.0

--      26 Apr 96   SAIC    ACVC 2.1: Modified prologue.

--

--!

-- Child package of FA11D00.

package FA11D00.CA11D010 is     -- Add_Subtract_Complex

   procedure Add (Left, Right : in     Complex_Type;   -- Add two complex

                  C           :    out Complex_Type);  -- numbers.

   function Subtract (Left, Right : Complex_Type)      -- Subtract two

     return Complex_Type;                              -- complex numbers.

end FA11D00.CA11D010;     -- Add_Subtract_Complex

--=======================================================================--

with Report;

package body FA11D00.CA11D010 is     -- Add_Subtract_Complex

   procedure Add (Left, Right : in Complex_Type;

                  C           :    out Complex_Type) is

   begin

      -- Zero is declared in parent package.

      if Left.Real < Zero.Real or else Right.Real < Zero.Real

        or else Left.Imag < Zero.Imag or else Right.Imag < Zero.Imag then

          raise Add_Error;     -- Reference to exception in parent package.

          Report.Failed ("Program control not transferred by raise in " &

                         "procedure Add");

      else

         C.Real := (Left.Real + Right.Real);

         C.Imag := (Left.Imag + Right.Imag);

      end if;

   exception

      when Add_Error =>

         TC_Handled_In_Child_Pkg_Proc := true;

         C := Check_Value;           -- Reference to object in parent package.

         raise;     -- Reraise the Add_Error exception in the subtest.

         Report.Failed ("Exception not reraised in handler");

      when others    =>

         Report.Failed ("Unexpected exception raised in Add");

   end Add;

   -----------------------------------------------------------

   function Subtract (Left, Right : Complex_Type)

     return Complex_Type is

   begin

      -- Zero is declared in parent package.

      if Left.Real < Zero.Real or Right.Real < Zero.Real

        or Left.Imag < Zero.Imag or Right.Imag < Zero.Imag then

          raise Subtract_Error;    -- Reference to exception in parent package.

          Report.Failed ("Program control not transferred by raise in " &

                         "function Subtract");

      else

         return ( Real => (Left.Real - Right.Real),

                  Imag => (Left.Imag - Right.Imag) );

      end if;

   exception

      when Subtract_Error =>

         Report.Comment ("Exception is properly handled in Subtract");

         TC_Handled_In_Child_Pkg_Func := true;

         return Check_Value;

      when others         =>

         Report.Failed ("Unexpected exception raised in Subtract");

   end Subtract;

end FA11D00.CA11D010;     -- Add_Subtract_Complex