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-- C45662B.ADA

--                             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.

--*

-- CHECK THE TRUTH TABLE FOR  'NOT'  ON DERIVED-BOOLEAN-TYPE OPERANDS.

-- THE COMBINATIONS OF  'NOT'  WITH  'AND' , 'OR' , 'XOR'  ARE TESTED

--    IN C45101K.

-- RM    28 OCTOBER 1980

-- TBN 10/21/85     RENAMED FROM C45401B-AB.ADA.  REMOVED DUPLICATED

--                  CODE NEAR END.

WITH  REPORT; USE REPORT;

PROCEDURE  C45662B  IS

     TYPE  NB  IS  NEW BOOLEAN ;

     TVAR , FVAR , CVAR : NB := NB'(FALSE) ; -- INITIAL VALUE IRRELEVANT

     ERROR_COUNT : INTEGER := 0 ;            -- INITIAL VALUE ESSENTIAL

     PROCEDURE  BUMP  IS

     BEGIN

          ERROR_COUNT := ERROR_COUNT + 1 ;

     END BUMP ;

     FUNCTION  IDENT_NEW_BOOL( THE_ARGUMENT : NB )  RETURN  NB  IS

     BEGIN

          IF  EQUAL(2,2)  THEN  RETURN THE_ARGUMENT;

          ELSE  RETURN  NB'(FALSE) ;

          END IF;

     END ;

BEGIN

     TEST( "C45662B" , "CHECK THE TRUTH TABLE FOR  'NOT'" &

                       " ON DERIVED-BOOLEAN-TYPE OPERANDS" ) ;

     FOR  A  IN  NB  LOOP

          CVAR  :=  NOT A ;

          IF  BOOLEAN( NOT A )  THEN

               IF  BOOLEAN( A )  THEN  BUMP ;

               END IF ;

          END IF;

          IF  BOOLEAN( CVAR )  THEN

               IF  BOOLEAN( A )  THEN  BUMP ;

               END IF ;

          END IF;

          IF  BOOLEAN(

              NOT( NOT( NOT( NOT( NOT(

              NOT( NOT( NOT( NOT( NOT(

              NOT( NOT( NOT( NOT( NOT(

              NOT( NOT( NOT( NOT( NOT(   CVAR  ))))) ))))) ))))) )))))

                      )

          THEN

               IF  BOOLEAN( A )  THEN  BUMP ;

               END IF ;

          END IF;

     END LOOP ;

     FOR  I  IN  1..2  LOOP

          CVAR  :=  NOT( NB( I > 1 ) ) ;

          IF  BOOLEAN(  NOT(  NB( I > 1 )))  THEN

               IF  I>1  THEN  BUMP ;

               END IF ;

          END IF;

          IF  BOOLEAN( CVAR )  THEN

               IF  I>1  THEN  BUMP ;

               END IF ;

          END IF;

     END LOOP ;

     IF  BOOLEAN( NOT( NB'(TRUE ))) THEN  BUMP ;                END IF ;

     IF  BOOLEAN( NOT( NB'(FALSE))) THEN  NULL ;  ELSE  BUMP ;  END IF ;

     TVAR := IDENT_NEW_BOOL( NB'(TRUE ) );

     FVAR := IDENT_NEW_BOOL( NB'(FALSE) );

     IF  BOOLEAN( NOT TVAR )  THEN  BUMP ;                END IF ;

     IF  BOOLEAN( NOT FVAR )  THEN  NULL ;  ELSE  BUMP ;  END IF ;

     IF  ERROR_COUNT  /= 0  THEN  FAILED( "'NOT' TRUTH TABLE" );

     END IF ;

     RESULT;

END C45662B;