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-- C45523A.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:
-- FOR FLOATING POINT TYPES, IF MACHINE_OVERFLOWS IS TRUE AND
-- EITHER THE RESULT OF MULTIPLICATION LIES OUTSIDE THE RANGE OF THE
-- BASE TYPE, OR AN ATTEMPT IS MADE TO DIVIDE BY ZERO, THEN
-- CONSTRAINT_ERROR IS RAISED. THIS TESTS
-- DIGITS 5.
-- *** 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 02/09/88 CREATED ORIGINAL TEST.
-- MRM 03/30/93 REMOVED NUMERIC_ERROR FOR 9X COMPATIBILITY
-- KAS 11/14/95 DELETED USAGE OF 'SAFE_LARGE
-- KAS 11/30/95 GOT IT RIGHT THIS TIME
WITH REPORT; USE REPORT;
PROCEDURE C45523A IS
TYPE FLT IS DIGITS 5;
F : FLT;
FUNCTION IDENT_FLT(X : FLT) RETURN FLT IS
BEGIN
IF EQUAL(3,3) THEN
RETURN X;
ELSE
RETURN 0.0;
END IF;
END IDENT_FLT;
FUNCTION EQUAL_FLT(ONE, TWO : FLT) RETURN BOOLEAN IS
BEGIN
RETURN ONE = TWO * FLT (IDENT_INT(1));
END EQUAL_FLT;
BEGIN
TEST ("C45523A", "FOR FLOATING POINT TYPES, IF MACHINE_" &
"OVERFLOWS IS TRUE AND EITHER THE RESULT OF " &
"MULTIPLICATION LIES OUTSIDE THE RANGE OF THE " &
"BASE TYPE, OR AN ATTEMPT IS MADE TO DIVIDE BY " &
"ZERO, THEN CONSTRAINT_ERROR IS RAISED." &
"THIS TESTS DIGITS 5");
IF FLT'MACHINE_OVERFLOWS THEN
BEGIN
F := (FLT'BASE'LAST) * IDENT_FLT (2.0);
FAILED ("CONSTRAINT_ERROR WAS NOT RAISED FOR MULTIPLICATION");
IF EQUAL_FLT(F,F**IDENT_INT(1)) THEN
COMMENT ("DON'T OPTIMIZE F");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
COMMENT ("CONSTRAINT_ERROR WAS RAISED FOR " &
"MULTIPLICATION");
WHEN OTHERS =>
FAILED ("AN EXCEPTION OTHER THAN " &
"CONSTRAINT_ERROR WAS RAISED FOR " &
"MULTIPLICATION");
END;
BEGIN
F := (FLT'LAST) / IDENT_FLT (0.0);
FAILED ("CONSTRAINT_ERROR WAS NOT RAISED FOR DIVISION BY ZERO");
IF EQUAL_FLT(F,F**IDENT_INT(1)) THEN
COMMENT ("DON'T OPTIMIZE F");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
COMMENT ("CONSTRAINT_ERROR WAS RAISED FOR " &
"DIVISION BY ZERO");
WHEN OTHERS =>
FAILED ("AN EXCEPTION OTHER THAN CONSTRAINT_ERROR " &
"WAS RAISED FOR DIVISION BY ZERO");
END;
ELSE
NOT_APPLICABLE ("THIS TEST IS NOT APPLICABLE DUE TO " &
"MACHINE_OVERFLOWS BEING FALSE");
END IF;
RESULT;
END C45523A;
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