| -- 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; |
