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+-- C4A013A.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 CONSTRAINT_ERROR IS RAISED FOR A NONSTATIC
+-- UNIVERSAL_REAL EXPRESSION IF THE VALUE WOULD LIE OUTSIDE THE RANGE OF
+-- THE BASE TYPE OF THE MOST ACCURATE PREDEFINED FLOATING POINT TYPE AND
+-- MACHINE_OVERFLOWS IS TRUE FOR THAT TYPE.
+
+-- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X
+-- ***       remove incompatibilities associated with the transition   -- 9X
+-- ***       to Ada 9X.                                                -- 9X
+-- ***                                                                 -- 9X
+
+-- BAW 29 SEPT 80
+-- TBN 10/30/85     RENAMED FROM C4A013A.ADA.
+-- JRK 1/13/86      COMPLETELY REVISED TO CHECK NONSTATIC UNIVERSAL_REAL
+--                  EXPRESSIONS WHOSE RESULTS OVERFLOW.  REVISED
+--                  NUMERIC_ERROR/CONSTRAINT_ERROR ACCORDING TO
+--                  AI-00387.
+-- MRM 03/30/93     REMOVED NUMERIC_ERROR FOR 9X COMPATIBILITY
+
+WITH SYSTEM, REPORT;
+USE SYSTEM, REPORT;
+
+PROCEDURE C4A013A IS
+
+     TYPE F IS DIGITS MAX_DIGITS;
+
+     B : BOOLEAN;
+
+BEGIN
+     TEST ("C4A013A", "CHECK NONSTATIC UNIVERSAL_REAL EXPRESSIONS " &
+                      "WHOSE RESULTS OVERFLOW");
+
+     BEGIN
+          B := 1.0 < 1.0 / (1.0 * INTEGER'POS (IDENT_INT (0)));
+
+          IF F'MACHINE_OVERFLOWS THEN
+               FAILED ("MACHINE_OVERFLOWS IS TRUE, BUT NO EXCEPTION " &
+                       "WAS RAISED");
+          ELSE COMMENT ("MACHINE_OVERFLOWS IS FALSE AND NO EXCEPTION " &
+                        "WAS RAISED");
+          END IF;
+
+          IF NOT B THEN  -- USE B TO PREVENT DEAD VARIABLE OPTIMIZATION.
+               COMMENT ("1.0 < 1.0 / 0.0 YIELDS FALSE");
+          END IF;
+     EXCEPTION
+          WHEN CONSTRAINT_ERROR =>
+               COMMENT ("CONSTRAINT_ERROR RAISED");
+          WHEN OTHERS =>
+               FAILED ("WRONG EXCEPTION RAISED");
+     END;
+
+     RESULT;
+END C4A013A;