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|
-- CC1223A.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 A FORMAL FIXED POINT TYPE, CHECK THAT THE FOLLOWING BASIC
-- OPERATIONS ARE IMPLICITLY DECLARED AND ARE THEREFORE AVAILABLE
-- WITHIN THE GENERIC UNIT: ASSIGNMENT, MEMBERSHIP TESTS,
-- QUALIFICATION, EXPLICIT CONVERSION TO AND FROM OTHER NUMERIC
-- TYPES, AND REAL LITERALS (IMPLICIT CONVERSION FROM UNIVERSAL REAL
-- TO THE FORMAL TYPE), 'FIRST, 'LAST, 'SIZE, 'ADDRESS, 'DELTA, 'FORE,
-- 'AFT, 'MACHINE_ROUNDS, 'MACHINE_OVERFLOWS.
-- HISTORY:
-- RJW 09/30/86 CREATED ORIGINAL TEST.
-- JLH 09/25/87 REFORMATTED HEADER.
-- RJW 08/21/89 MODIFIED CHECKS FOR 'MANTISSA AND 'AFT.
-- PWN 01/31/95 REMOVED INCONSISTENCIES WITH ADA 9X.
WITH SYSTEM; USE SYSTEM;
WITH REPORT; USE REPORT;
PROCEDURE CC1223A IS
TYPE FIXED IS DELTA 0.1 RANGE -100.0 .. 100.0;
BEGIN
TEST ( "CC1223A", "FOR A FORMAL FIXED POINT TYPE, CHECK " &
"THAT THE BASIC OPERATIONS ARE " &
"IMPLICITLY DECLARED AND ARE THEREFORE " &
"AVAILABLE WITHIN THE GENERIC UNIT" );
DECLARE -- (A). CHECKS FOR ASSIGNMENT, MEMBERSHIP TESTS AND
-- QUALIFICATION.
GENERIC
TYPE T IS DELTA <>;
TYPE T1 IS DELTA <>;
F : T;
F1 : T1;
PROCEDURE P (F2 : T; STR : STRING);
PROCEDURE P (F2 : T; STR : STRING) IS
SUBTYPE ST IS T RANGE -1.0 .. 1.0;
F3, F4 : T;
FUNCTION FUN (X : T) RETURN BOOLEAN IS
BEGIN
RETURN IDENT_BOOL (TRUE);
END FUN;
FUNCTION FUN (X : T1) RETURN BOOLEAN IS
BEGIN
RETURN IDENT_BOOL (FALSE);
END FUN;
BEGIN
F3 := F;
F4 := F2;
F3 := F4;
IF F3 /= F2 THEN
FAILED ( "INCORRECT RESULTS FOR ASSIGNMENT " &
"WITH TYPE - " & STR);
END IF;
IF F IN ST THEN
NULL;
ELSE
FAILED ( "INCORRECT RESULTS FOR ""IN"" WITH " &
"TYPE - " & STR);
END IF;
IF F2 NOT IN ST THEN
NULL;
ELSE
FAILED ( "INCORRECT RESULTS FOR ""NOT IN"" WITH " &
"TYPE - " & STR);
END IF;
IF T'(F) /= F THEN
FAILED ( "INCORRECT RESULTS FOR QUALIFICATION " &
"WITH TYPE - " & STR & " - 1" );
END IF;
IF FUN (T'(1.0)) THEN
NULL;
ELSE
FAILED ( "INCORRECT RESULTS FOR QUALIFICATION " &
"WITH TYPE - " & STR & " - 2" );
END IF;
END P;
PROCEDURE P1 IS NEW P (FIXED, FIXED, 0.0, 0.0);
PROCEDURE P2 IS NEW P (DURATION, DURATION, 0.0, 0.0);
BEGIN
P1 (2.0, "FIXED");
P2 (2.0, "DURATION");
END; -- (A).
DECLARE -- (B) CHECKS FOR EXPLICIT CONVERSION TO AND FROM OTHER
-- NUMERIC TYPES, AND IMPLICIT CONVERSION FROM
-- REAL LITERAL.
GENERIC
TYPE T IS DELTA <>;
PROCEDURE P (STR : STRING);
PROCEDURE P (STR : STRING) IS
FL0 : FLOAT := 0.0;
FL2 : FLOAT := 2.0;
FLN2 : FLOAT := -2.0;
I0 : INTEGER := 0;
I2 : INTEGER := 2;
IN2 : INTEGER := -2;
T0 : T := 0.0;
T2 : T := 2.0;
TN2 : T := -2.0;
FUNCTION IDENT (X : T) RETURN T IS
BEGIN
IF EQUAL (3, 3) THEN
RETURN X;
ELSE
RETURN T'FIRST;
END IF;
END IDENT;
BEGIN
IF T0 + 1.0 /= 1.0 THEN
FAILED ( "INCORRECT RESULTS FOR IMPLICIT " &
"CONVERSION WITH TYPE " & STR & " - 1" );
END IF;
IF T2 + 1.0 /= 3.0 THEN
FAILED ( "INCORRECT RESULTS FOR IMPLICIT " &
"CONVERSION WITH TYPE " & STR & " - 2" );
END IF;
IF TN2 + 1.0 /= -1.0 THEN
FAILED ( "INCORRECT RESULTS FOR IMPLICIT " &
"CONVERSION WITH TYPE " & STR & " - 3" );
END IF;
IF T (FL0) /= T0 THEN
FAILED ( "INCORRECT CONVERSION FROM " &
"FLOAT VALUE 0.0 WITH TYPE " & STR);
END IF;
IF T (FL2) /= IDENT (T2) THEN
FAILED ( "INCORRECT CONVERSION FROM " &
"FLOAT VALUE 2.0 WITH TYPE " & STR);
END IF;
IF T (FLN2) /= TN2 THEN
FAILED ( "INCORRECT CONVERSION FROM " &
"FLOAT VALUE -2.0 WITH TYPE " & STR);
END IF;
IF T (I0) /= IDENT (T0) THEN
FAILED ( "INCORRECT CONVERSION FROM " &
"INTEGER VALUE 0 WITH TYPE " & STR);
END IF;
IF T (I2) /= T2 THEN
FAILED ( "INCORRECT CONVERSION FROM " &
"INTEGER VALUE 2 WITH TYPE " & STR);
END IF;
IF T (IN2) /= IDENT (TN2) THEN
FAILED ( "INCORRECT CONVERSION FROM " &
"INTEGER VALUE -2 WITH TYPE " & STR);
END IF;
IF FLOAT (T0) /= FL0 THEN
FAILED ( "INCORRECT CONVERSION TO " &
"FLOAT VALUE 0.0 WITH TYPE " & STR);
END IF;
IF FLOAT (IDENT (T2)) /= FL2 THEN
FAILED ( "INCORRECT CONVERSION TO " &
"FLOAT VALUE 2.0 WITH TYPE " & STR);
END IF;
IF FLOAT (TN2) /= FLN2 THEN
FAILED ( "INCORRECT CONVERSION TO " &
"FLOAT VALUE -2.0 WITH TYPE " & STR);
END IF;
IF INTEGER (IDENT (T0)) /= I0 THEN
FAILED ( "INCORRECT CONVERSION TO " &
"INTEGER VALUE 0 WITH TYPE " & STR);
END IF;
IF INTEGER (T2) /= I2 THEN
FAILED ( "INCORRECT CONVERSION TO " &
"INTEGER VALUE 2 WITH TYPE " & STR);
END IF;
IF INTEGER (IDENT (TN2)) /= IN2 THEN
FAILED ( "INCORRECT CONVERSION TO " &
"INTEGER VALUE -2 WITH TYPE " & STR);
END IF;
END P;
PROCEDURE P1 IS NEW P (FIXED);
PROCEDURE P2 IS NEW P (DURATION);
BEGIN
P1 ( "FIXED" );
P2 ( "DURATION" );
END; -- (B).
DECLARE -- (C) CHECKS FOR ATTRIBUTES.
GENERIC
TYPE T IS DELTA <>;
F, L, D : T;
PROCEDURE P (STR : STRING);
PROCEDURE P (STR : STRING) IS
F1 : T;
A : ADDRESS := F'ADDRESS;
S : INTEGER := F'SIZE;
I : INTEGER;
B1 : BOOLEAN := T'MACHINE_ROUNDS;
B2 : BOOLEAN := T'MACHINE_OVERFLOWS;
BEGIN
IF T'DELTA /= D THEN
FAILED ( "INCORRECT VALUE FOR " &
STR & "'DELTA" );
END IF;
IF T'FIRST /= F THEN
FAILED ( "INCORRECT VALUE FOR " &
STR & "'FIRST" );
END IF;
IF T'LAST /= L THEN
FAILED ( "INCORRECT VALUE FOR " &
STR & "'LAST" );
END IF;
IF T'FORE < 2 THEN
FAILED ( "INCORRECT VALUE FOR " &
STR & "'FORE" );
END IF;
IF T'AFT <= 0 THEN
FAILED ( "INCORRECT VALUE FOR " & STR & "'AFT" );
END IF;
END P;
PROCEDURE P1 IS
NEW P (FIXED, FIXED'FIRST, FIXED'LAST, FIXED'DELTA);
PROCEDURE P2 IS
NEW P (DURATION, DURATION'FIRST, DURATION'LAST,
DURATION'DELTA);
BEGIN
P1 ( "FIXED" );
P2 ( "DURATION" );
END; -- (C).
RESULT;
END CC1223A;
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