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+-- C87B10A.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 THAT OVERLOADING RESOLUTION USES THE RULE THAT:
+--
+-- IN A RANGE CONSTRAINT OF A FIXED POINT OR FLOATING POINT TYPE
+-- DEFINITION, BOTH BOUNDS MUST BE OF SOME REAL TYPE, ALTHOUGH
+-- THE TWO BOUNDS DO NOT HAVE TO BE OF THE SAME TYPE.
+  
+-- TRH 7/28/82
+-- DSJ 6/10/83
+-- JBG 9/19/84
+  
+WITH REPORT; USE REPORT;
+   
+PROCEDURE C87B10A IS
+
+     SUBTYPE DUR IS DURATION;
+
+     FUNCTION "+" (X : FLOAT) RETURN INTEGER IS
+     BEGIN
+          FAILED ("RANGE CONSTRAINT FOR REAL TYPE DEFINITIONS " &
+                  "MUST HAVE REAL BOUNDS");
+          RETURN -10;
+     END "+";
+
+     FUNCTION "+" (X, Y : FLOAT) RETURN INTEGER IS
+     BEGIN 
+          FAILED ("RANGE CONSTRAINT FOR REAL TYPE DEFINITIONS " &
+                  "MUST HAVE REAL BOUNDS");
+          RETURN -10;
+     END "+";
+  
+BEGIN
+     TEST ("C87B10A","RANGE BOUNDS IN REAL TYPE DEFINITIONS MUST BE" &
+           " OF SOME (NOT NECESSARILY THE SAME) REAL TYPE");
+   
+     DECLARE
+          TYPE R1 IS DIGITS  2 RANGE 0.0 .. 1.0 + FLOAT'(1.0);
+          TYPE R2 IS DELTA 0.1 RANGE FLOAT'(1.0) + 1.0 .. DUR'(2.0);
+          TYPE R3 IS DIGITS  2 RANGE +1.0 .. "+" (FLOAT'(2.0), 2.0);
+          TYPE R4 IS DELTA 0.1 RANGE 0.0 + FLOAT'(0.0) .. +1.0;
+ 
+  
+     BEGIN
+          IF 2.0 NOT IN R1 OR -1.0 IN R2 OR
+               -1.0 IN R3 OR -0.9 IN R4 THEN
+               FAILED ("RANGE BOUNDS IN REAL TYPE DEFINITIONS DO NOT "
+                    & "HAVE TO BE OF THE SAME REAL TYPE");
+          END IF;
+     END;
+    
+     RESULT;
+END C87B10A;