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jeremybenn |
-- C45251A.ADA
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-- Grant of Unlimited Rights
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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--
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-- DISCLAIMER
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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-- CHECK THAT FOR RELATIONAL OPERATIONS ON FIXED POINT TYPES THE
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-- FOLLOWING HOLD:
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-- (A) A /= B IS THE SAME AS NOT (A = B).
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-- (B) A < B IS THE SAME AS NOT (A >= B).
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-- (C) A > B IS THE SAME AS NOT (A <= B).
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-- (D) ADJACENT MODEL NUMBERS GIVE CORRECT RESULTS.
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-- (E) NON-MODEL NUMBERS WITH DISTINCT MODEL INTERVALS GIVE
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-- CORRECT RESULTS.
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-- (F) CASE WHERE MODEL INTERVALS INTERSECT IN A SINGLE MODEL
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-- NUMBER GIVES CORRECT RESULT.
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-- CASE A: BASIC TYPES THAT FIT THE CHARACTERISTICS OF DURATION'BASE.
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-- WRG 8/26/86
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WITH REPORT; USE REPORT;
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PROCEDURE C45251A IS
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-- THE NAME OF EACH TYPE OR SUBTYPE ENDS WITH THAT TYPE'S
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-- 'MANTISSA VALUE.
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TYPE LIKE_DURATION_M23 IS DELTA 0.020 RANGE -86_400.0 .. 86_400.0;
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TYPE DECIMAL_M4 IS DELTA 100.0 RANGE -1000.0 .. 1000.0;
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BEGIN
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TEST ("C45251A", "CHECK RELATIONAL OPERATIONS FOR FIXED POINT " &
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"TYPES - BASIC TYPES");
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-------------------------------------------------------------------
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DECLARE
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A, B : LIKE_DURATION_M23 := 0.0;
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C, D : DECIMAL_M4 := 0.0;
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BEGIN
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IF EQUAL (3, 3) THEN
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A := 2#0.0000_0011#; -- JUST BELOW LIKE_DURATION'SMALL.
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B := 2#0.0000_0101#; -- JUST ABOVE LIKE_DURATION'SMALL.
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END IF;
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-- (A)
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IF A /= B XOR NOT (A = B) THEN
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FAILED ("A /= B IS NOT THE SAME AS NOT (A = B)");
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END IF;
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-- (B)
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IF A < B XOR NOT (A >= B) THEN
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FAILED ("A < B IS NOT THE SAME AS NOT (A >= B)");
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END IF;
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-- (C)
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IF A > B XOR NOT (A <= B) THEN
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FAILED ("A > B IS NOT THE SAME AS NOT (A <= B)");
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END IF;
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-- (D)
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IF EQUAL (3, 3) THEN
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A := -(16#1_5180.00#); -- (-86_400.0)
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B := -(16#1_517F.FC#); -- (-86_400.0 + 1.0/64)
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C := 64.0; -- DECIMAL_M4'SMALL.
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D := 128.0; -- 2 * DECIMAL_M4'SMALL.
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END IF;
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IF "=" (LEFT => A, RIGHT => B) THEN
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FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
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"- (A = B)");
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END IF;
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IF NOT "/=" (LEFT => C, RIGHT => D) THEN
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FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
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"- (C /= D)");
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END IF;
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IF "<" (LEFT => B, RIGHT => A) THEN
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FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
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"- (B < A)");
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END IF;
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IF ">" (LEFT => C, RIGHT => D) THEN
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FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
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"- (C > D)");
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END IF;
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IF ">=" (LEFT => A, RIGHT => B) THEN
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FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
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"- (A >= B)");
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END IF;
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IF "<=" (LEFT => D, RIGHT => C) THEN
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FAILED ("ADJACENT MODEL NUMBERS GIVE INCORRECT RESULT " &
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"- (D <= C)");
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END IF;
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-- (E)
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IF EQUAL (3, 3) THEN
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A := 0.02; -- INTERVAL IS 1.0/64 .. 2.0/64.
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B := -0.02; -- INTERVAL IS -2.0/64 .. -1.0/64.
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C := 800.0; -- INTERVAL IS 768.0 .. 832.0.
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D := 900.0; -- INTERVAL IS 896.0 .. 960.0.
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END IF;
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IF A = B THEN
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FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
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"INTERVALS GIVE INCORRECT RESULT - (A = B)");
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END IF;
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IF NOT (C /= D) THEN
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FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
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"INTERVALS GIVE INCORRECT RESULT - (C /= D)");
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END IF;
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IF A < B THEN
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FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
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"INTERVALS GIVE INCORRECT RESULT - (A < B)");
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END IF;
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IF C > D THEN
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FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
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"INTERVALS GIVE INCORRECT RESULT - (C > D)");
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END IF;
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IF B >= A THEN
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FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
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"INTERVALS GIVE INCORRECT RESULT - (B >= A)");
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END IF;
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IF D <= C THEN
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FAILED ("NON-MODEL NUMBERS WITH DISTINCT MODEL " &
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"INTERVALS GIVE INCORRECT RESULT - (D <= C)");
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END IF;
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-- (F)
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IF EQUAL (3, 3) THEN
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B := 0.035; -- INTERVAL IS 2.0/64 .. 3.0/64.
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C := 850.0; -- INTERVAL IS 832.0 .. 896.0.
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END IF;
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IF NOT (A <= B) THEN
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FAILED ("COMPARISON OF NON-MODEL NUMBERS WITH ONE " &
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"COMMON MODEL INTERVAL END-POINT GIVES " &
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"INCORRECT RESULT - (A <= B)");
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END IF;
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IF A > B THEN
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FAILED ("COMPARISON OF NON-MODEL NUMBERS WITH ONE " &
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"COMMON MODEL INTERVAL END-POINT GIVES " &
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"INCORRECT RESULT - (A > B)");
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END IF;
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IF NOT (D >= C) THEN
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FAILED ("COMPARISON OF NON-MODEL NUMBERS WITH ONE " &
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"COMMON MODEL INTERVAL END-POINT GIVES " &
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"INCORRECT RESULT - (D >= C)");
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END IF;
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IF D < C THEN
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FAILED ("COMPARISON OF NON-MODEL NUMBERS WITH ONE " &
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"COMMON MODEL INTERVAL END-POINT GIVES " &
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"INCORRECT RESULT - (D < C)");
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END IF;
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END;
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-------------------------------------------------------------------
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RESULT;
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END C45251A;
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