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-- C45251A.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 FOR RELATIONAL OPERATIONS ON FIXED POINT TYPES THE
-- FOLLOWING HOLD:
-- (A) A /= B IS THE SAME AS NOT (A = B).
-- (B) A < B IS THE SAME AS NOT (A >= B).
-- (C) A > B IS THE SAME AS NOT (A <= B).
-- (D) ADJACENT MODEL NUMBERS GIVE CORRECT RESULTS.
-- (E) NON-MODEL NUMBERS WITH DISTINCT MODEL INTERVALS GIVE
-- CORRECT RESULTS.
-- (F) CASE WHERE MODEL INTERVALS INTERSECT IN A SINGLE MODEL
-- NUMBER GIVES CORRECT RESULT.
-- CASE A: BASIC TYPES THAT FIT THE CHARACTERISTICS OF DURATION'BASE.
-- WRG 8/26/86
WITH REPORT; USE REPORT;
PROCEDURE C45251A IS
-- THE NAME OF EACH TYPE OR SUBTYPE ENDS WITH THAT TYPE'S
-- 'MANTISSA VALUE.
TYPE LIKE_DURATION_M23 IS DELTA 0.020 RANGE -86_400.0 .. 86_400.0;
TYPE DECIMAL_M4 IS DELTA 100.0 RANGE -1000.0 .. 1000.0;
BEGIN
TEST ("C45251A", "CHECK RELATIONAL OPERATIONS FOR FIXED POINT " &
"TYPES - BASIC TYPES");
-------------------------------------------------------------------
DECLARE
A, B : LIKE_DURATION_M23 := 0.0;
C, D : DECIMAL_M4 := 0.0;
BEGIN
IF EQUAL (3, 3) THEN
A := 2#0.0000_0011#; -- JUST BELOW LIKE_DURATION'SMALL.
B := 2#0.0000_0101#; -- JUST ABOVE LIKE_DURATION'SMALL.
END IF;
-- (A)
IF A /= B XOR NOT (A = B) THEN
FAILED ("A /= B IS NOT THE SAME AS NOT (A = B)");
END IF;
-- (B)
IF A < B XOR NOT (A >= B) THEN
FAILED ("A < B IS NOT THE SAME AS NOT (A >= B)");
END IF;
-- (C)
IF A > B XOR NOT (A <= B) THEN
FAILED ("A > B IS NOT THE SAME AS NOT (A <= B)");
END IF;
-- (D)
IF EQUAL (3, 3) THEN
A := -(16#1_5180.00#); -- (-86_400.0)
B := -(16#1_517F.FC#); -- (-86_400.0 + 1.0/64)
C := 64.0; -- DECIMAL_M4'SMALL.
D := 128.0; -- 2 * DECIMAL_M4'SMALL.
END IF;
IF "=" (LEFT => A, RIGHT => B) THEN
FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
"- (A = B)");
END IF;
IF NOT "/=" (LEFT => C, RIGHT => D) THEN
FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
"- (C /= D)");
END IF;
IF "<" (LEFT => B, RIGHT => A) THEN
FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
"- (B < A)");
END IF;
IF ">" (LEFT => C, RIGHT => D) THEN
FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
"- (C > D)");
END IF;
IF ">=" (LEFT => A, RIGHT => B) THEN
FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
"- (A >= B)");
END IF;
IF "<=" (LEFT => D, RIGHT => C) THEN
FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
"- (D <= C)");
END IF;
-- (E)
IF EQUAL (3, 3) THEN
A := 0.02; -- INTERVAL IS 1.0/64 .. 2.0/64.
B := -0.02; -- INTERVAL IS -2.0/64 .. -1.0/64.
C := 800.0; -- INTERVAL IS 768.0 .. 832.0.
D := 900.0; -- INTERVAL IS 896.0 .. 960.0.
END IF;
IF A = B THEN
FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
"INTERVALS GIVE INCORRECT RESULT - (A = B)");
END IF;
IF NOT (C /= D) THEN
FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
"INTERVALS GIVE INCORRECT RESULT - (C /= D)");
END IF;
IF A < B THEN
FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
"INTERVALS GIVE INCORRECT RESULT - (A < B)");
END IF;
IF C > D THEN
FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
"INTERVALS GIVE INCORRECT RESULT - (C > D)");
END IF;
IF B >= A THEN
FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
"INTERVALS GIVE INCORRECT RESULT - (B >= A)");
END IF;
IF D <= C THEN
FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
"INTERVALS GIVE INCORRECT RESULT - (D <= C)");
END IF;
-- (F)
IF EQUAL (3, 3) THEN
B := 0.035; -- INTERVAL IS 2.0/64 .. 3.0/64.
C := 850.0; -- INTERVAL IS 832.0 .. 896.0.
END IF;
IF NOT (A <= B) THEN
FAILED ("COMPARISON OF NON-MODEL NUMBERS WITH ONE " &
"COMMON MODEL INTERVAL END-POINT GIVES " &
"INCORRECT RESULT - (A <= B)");
END IF;
IF A > B THEN
FAILED ("COMPARISON OF NON-MODEL NUMBERS WITH ONE " &
"COMMON MODEL INTERVAL END-POINT GIVES " &
"INCORRECT RESULT - (A > B)");
END IF;
IF NOT (D >= C) THEN
FAILED ("COMPARISON OF NON-MODEL NUMBERS WITH ONE " &
"COMMON MODEL INTERVAL END-POINT GIVES " &
"INCORRECT RESULT - (D >= C)");
END IF;
IF D < C THEN
FAILED ("COMPARISON OF NON-MODEL NUMBERS WITH ONE " &
"COMMON MODEL INTERVAL END-POINT GIVES " &
"INCORRECT RESULT - (D < C)");
END IF;
END;
-------------------------------------------------------------------
RESULT;
END C45251A;
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