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+-- C58004C.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 THE RETURN STATEMENT WORKS FOR RECURSIVE SUBPROGRAMS,
+-- BOTH FUNCTIONS AND PROCEDURES.
+
+-- DCB 2/8/80
+-- SPS 3/7/83
+-- JBG 5/17/83
+
+WITH REPORT;
+PROCEDURE C58004C IS
+
+ USE REPORT;
+
+ I1, I2 : INTEGER := 0; -- INITIAL VALUE IS IMMATERIAL
+
+ PROCEDURE FACTORIALP (IP1 : IN INTEGER; IP2 : IN OUT INTEGER) IS
+
+ BEGIN
+ IF IP1 = 1 THEN
+ IP2 := 1;
+ RETURN;
+ ELSE FACTORIALP (IP1 - 1, IP2);
+ IP2 := IP1 * IP2;
+ RETURN;
+ END IF;
+
+ IP2 := 0;
+
+ END FACTORIALP;
+
+ FUNCTION FACTORIALF (IF1 : INTEGER) RETURN INTEGER IS
+
+ BEGIN
+ IF IF1 = 1 THEN RETURN (1);
+ END IF;
+
+ RETURN (IF1 * FACTORIALF(IF1 - 1) );
+
+ END FACTORIALF;
+
+BEGIN
+ TEST ("C58004C", "CHECK THAT THE RETURN STATEMENT WORKS FOR" &
+ " RECURSIVE FUNCTIONS AND PROCEDURES");
+
+ I1 := FACTORIALF (5);
+
+ IF I1 /= 120 THEN
+ FAILED ("RETURN STATEMENT IN RECURSIVE FUNCTION NOT " &
+ "WORKING");
+ END IF;
+
+ FACTORIALP (5, I2);
+
+ IF I2 = 0 THEN
+ FAILED ("RETURN STATEMENT IN RECURSIVE PROCEDURE NOT " &
+ "WORKING");
+ ELSIF I2 /= 120 THEN
+ FAILED
+ ("RETURN STMT IN RECURSIVE PROCEDURE NOT WORKING CORRECTLY");
+ END IF;
+
+ RESULT;
+END C58004C;