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-- C45534B.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.
--*
-- OBJECTIVE:
-- CHECK THAT CONSTRAINT_ERROR IS RAISED WHEN A
-- FIXED POINT VALUE IS DIVIDED BY ZERO (EITHER AN INTEGER ZERO OR
-- A FIXED POINT ZERO).
-- *** 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
-- HISTORY:
-- BCB 07/14/88 CREATED ORIGINAL TEST.
-- MRM 03/30/93 REMOVED NUMERIC ERROR FOR 9X CONSISTENCY
WITH REPORT; USE REPORT;
PROCEDURE C45534B IS
TYPE FIX IS DELTA 2.0**(-1) RANGE -2.0 .. 2.0;
TYPE FIX2 IS DELTA 2.0**(-1) RANGE -3.0 .. 3.0;
A : FIX := 1.0;
B : FIX;
ZERO : FIX := 0.0;
ZERO2 : FIX2 := 0.0;
FUNCTION IDENT_FLT (ONE, TWO : FIX) RETURN BOOLEAN IS
BEGIN
RETURN ONE = FIX (TWO * FIX (IDENT_INT(1)));
END IDENT_FLT;
BEGIN
TEST ("C45534B", "CHECK THAT CONSTRAINT_ERROR IS RAISED WHEN " &
"A FIXED POINT VALUE IS " &
"DIVIDED BY ZERO (EITHER AN INTEGER ZERO OR A " &
"FIXED POINT ZERO)");
BEGIN
B := A / IDENT_INT (0);
FAILED ("NO EXCEPTION RAISED FOR DIVISION BY INTEGER ZERO");
IF IDENT_FLT (B,B) THEN
COMMENT ("DON'T OPTIMIZE B");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("OTHER EXCEPTION RAISED");
END;
BEGIN
B := FIX (A / ZERO);
FAILED ("NO EXCEPTION RAISED FOR DIVISION BY FIXED POINT " &
"ZERO - 1");
IF IDENT_FLT (B,B) THEN
COMMENT ("DON'T OPTIMIZE B");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("OTHER EXCEPTION RAISED");
END;
BEGIN
B := FIX (A / ZERO2);
FAILED ("NO EXCEPTION RAISED FOR DIVISION BY FIXED POINT " &
"ZERO - 2");
IF IDENT_FLT (B,B) THEN
COMMENT ("DON'T OPTIMIZE B");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("OTHER EXCEPTION RAISED");
END;
RESULT;
END C45534B;
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