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+-- C45331A.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 FIXED POINT TYPES THE OPERATORS "+" AND "-" PRODUCE
+-- CORRECT RESULTS WHEN:
+-- (A) A, B, A+B, AND A-B ARE ALL MODEL NUMBERS.
+-- (B) A IS A MODEL NUMBER BUT B, A+B, AND A-B ARE NOT.
+-- (C) A, B, A+B, AND A-B ARE ALL MODEL NUMBERS WITH DIFFERENT
+-- SUBTYPES.
+
+-- CASE A: BASIC TYPES THAT FIT THE CHARACTERISTICS OF DURATION'BASE.
+
+-- WRG 8/27/86
+-- KAS 11/14/95 REDUCE EXPECTATION FOR T'SMALL
+-- KAS 11/30/95 ONE MORE CHANGE...
+-- PWN 02/28/96 CLEANED COMMENTS FOR RELEASE
+-- KAS 03/18/96 ELIDED TWO 'SMALL CASES FOR 2.1
+
+WITH REPORT; USE REPORT;
+PROCEDURE C45331A IS
+
+ TYPE LIKE_DURATION IS DELTA 0.020 RANGE -86_400.0 .. 86_400.0;
+ -- 'MANTISSA = 23.
+ SUBTYPE F IS LIKE_DURATION DELTA 0.25 RANGE -1000.0 .. 1000.0;
+ SUBTYPE ST_F1 IS LIKE_DURATION DELTA 0.5 RANGE -4.0 .. 3.0;
+ SUBTYPE ST_F2 IS LIKE_DURATION DELTA 1.0 / 16
+ RANGE -13.0 / 16 .. 5.0 + 1.0 / 16;
+
+BEGIN
+
+ TEST ("C45331A", "CHECK THAT FOR FIXED POINT TYPES THE " &
+ "OPERATORS ""+"" AND ""-"" PRODUCE CORRECT " &
+ "RESULTS - BASIC TYPES");
+
+ -------------------------------------------------------------------
+
+A: DECLARE
+ SMALL, MAX, MIN, ZERO : F := 0.5;
+ X : F := 0.0;
+ BEGIN
+ -- INITIALIZE "CONSTANTS":
+ IF EQUAL (3, 3) THEN
+ SMALL := F'SMALL;
+ MAX := F'LAST; -- BECAUSE F'LAST < F'LARGE AND F'LAST
+ -- IS A MODEL NUMBER.
+ MIN := F'FIRST; -- F'FIRST IS A MODEL NUMBER.
+ ZERO := 0.0;
+ END IF;
+
+ -- CHECK SMALL + OR - ZERO = SMALL:
+ IF "+"(LEFT => SMALL, RIGHT => ZERO) /= SMALL OR
+ 0.0 + SMALL /= SMALL THEN
+ FAILED ("F'SMALL + 0.0 /= F'SMALL");
+ END IF;
+ IF "-"(LEFT => SMALL, RIGHT => ZERO) /= SMALL OR
+ SMALL - 0.0 /= SMALL THEN
+ FAILED ("F'SMALL - 0.0 /= F'SMALL");
+ END IF;
+
+ -- CHECK MAX + OR - ZERO = MAX:
+ IF MAX + ZERO /= MAX OR 0.0 + MAX /= MAX THEN
+ FAILED ("F'LAST + 0.0 /= F'LAST");
+ END IF;
+ IF MAX - ZERO /= MAX OR MAX - 0.0 /= MAX THEN
+ FAILED ("F'LAST - 0.0 /= F'LAST");
+ END IF;
+
+ -- CHECK SMALL - SMALL = 0.0:
+ IF EQUAL (3, 3) THEN
+ X := SMALL;
+ END IF;
+ IF SMALL - X /= 0.0 OR SMALL - SMALL /= 0.0 OR
+ F'SMALL - F'SMALL /= 0.0 THEN
+ FAILED ("F'SMALL - F'SMALL /= 0.0");
+ END IF;
+
+ -- CHECK MAX - MAX = 0.0:
+ IF EQUAL (3, 3) THEN
+ X := MAX;
+ END IF;
+ IF MAX - X /= 0.0 OR MAX - MAX /= 0.0 OR
+ F'LAST - F'LAST /= 0.0 THEN
+ FAILED ("F'LAST - F'LAST /= 0.0");
+ END IF;
+
+ -- CHECK ZERO - MAX = MIN, MIN - MIN = 0.0,
+ -- AND MIN + MAX = 0.0:
+ IF EQUAL (3, 3) THEN
+ X := ZERO - MAX;
+ END IF;
+ IF X /= MIN THEN
+ FAILED ("0.0 - 1000.0 /= -1000.0");
+ END IF;
+ IF EQUAL (3, 3) THEN
+ X := MIN;
+ END IF;
+ IF MIN - X /= 0.0 OR MIN - MIN /= 0.0 OR
+ F'FIRST - F'FIRST /= 0.0 THEN
+ FAILED ("F'FIRST - F'FIRST /= 0.0");
+ END IF;
+ IF MIN + MAX /= 0.0 OR MAX + MIN /= 0.0 OR
+ F'FIRST + F'LAST /= 0.0 THEN
+ FAILED ("-1000.0 + 1000.0 /= 0.0");
+ END IF;
+
+ -- CHECK ADDITION AND SUBTRACTION FOR ARBITRARY MID-RANGE
+ -- NUMBERS:
+ IF EQUAL (3, 3) THEN
+ X := 100.75;
+ END IF;
+ IF (X + SMALL) /= (SMALL + X) OR
+ (X + SMALL) > (X + 0.25) THEN -- X + SMALL SB <= X + DELTA
+ FAILED("X + SMALL DELIVERED BAD RESULT");
+ END IF;
+
+ -- CHECK (MAX - SMALL) + SMALL = MAX:
+ IF EQUAL (3, 3) THEN
+ X := MAX - SMALL;
+ END IF;
+ IF X + SMALL /= MAX THEN
+ FAILED("(MAX - SMALL) + SMALL /= MAX");
+ END IF;
+
+ EXCEPTION
+ WHEN OTHERS =>
+ FAILED ("EXCEPTION RAISED - A");
+ END A;
+
+ -------------------------------------------------------------------
+
+B: DECLARE
+ NON_MODEL_CONST : CONSTANT := 2.0 / 3;
+ NON_MODEL_VAR : F := 0.0;
+
+ SMALL, MAX, MIN, ZERO : F := 0.5;
+ X : F := 0.0;
+ BEGIN
+ -- INITIALIZE "CONSTANTS":
+ IF EQUAL (3, 3) THEN
+ SMALL := F'SMALL;
+ MAX := F'LAST; -- BECAUSE F'LAST < F'LARGE AND
+ -- F'LAST IS A MODEL NUMBER.
+ MIN := F'FIRST; -- F'FIRST IS A MODEL NUMBER.
+ ZERO := 0.0;
+ NON_MODEL_VAR := NON_MODEL_CONST;
+ END IF;
+
+ -- CHECK VALUE OF NON_MODEL_VAR:
+ IF NON_MODEL_VAR NOT IN 0.5 .. 0.75 THEN
+ FAILED ("VALUE OF NON_MODEL_VAR NOT IN CORRECT RANGE");
+ END IF;
+
+ -- CHECK NON-MODEL VALUE + OR - ZERO:
+ IF NON_MODEL_VAR + ZERO NOT IN 0.5 .. 0.75 OR
+ F'(0.0) + NON_MODEL_CONST NOT IN 0.5 .. 0.75 THEN
+ FAILED ("(2.0 / 3) + 0.0 NOT IN 0.5 .. 0.75");
+ END IF;
+ IF NON_MODEL_VAR - ZERO NOT IN 0.5 .. 0.75 OR
+ NON_MODEL_CONST - F'(0.0) NOT IN 0.5 .. 0.75 THEN
+ FAILED ("(2.0 / 3) - 0.0 NOT IN 0.5 .. 0.75");
+ END IF;
+
+ -- CHECK ZERO - NON-MODEL:
+ IF F'(0.0) - NON_MODEL_CONST NOT IN -0.75 .. -0.5 THEN
+ FAILED ("0.0 - (2.0 / 3) NOT IN -0.75 .. -0.5");
+ END IF;
+
+ IF F'(1.0) - NON_MODEL_CONST NOT IN 0.25 .. 0.5 THEN
+ FAILED ("1.0 - (2.0 / 3) NOT IN 0.25 .. 0.5");
+ END IF;
+
+ -- CHECK ADDITION AND SUBTRACTION OF NON-MODEL NEAR MIN AND
+ -- MAX:
+ IF MIN + NON_MODEL_VAR NOT IN -999.5 .. -999.25 OR
+ NON_MODEL_CONST + F'FIRST NOT IN -999.5 .. -999.25 THEN
+ FAILED ("-1000.0 + (2.0 / 3) NOT IN -999.5 .. -999.25");
+ END IF;
+ IF MAX - NON_MODEL_VAR NOT IN 999.25 .. 999.5 OR
+ F'LAST - NON_MODEL_CONST NOT IN 999.25 .. 999.5 THEN
+ FAILED ("1000.0 - (2.0 / 3) NOT IN 999.25 .. 999.5");
+ END IF;
+
+ -- CHECK ADDITION AND SUBTRACTION FOR ARBITRARY MID-RANGE
+ -- MODEL NUMBER WITH NON-MODEL:
+ IF EQUAL (3, 3) THEN
+ X := -213.25;
+ END IF;
+ IF X + NON_MODEL_CONST NOT IN -212.75 .. -212.5 THEN
+ FAILED ("-213.25 + (2.0 / 3) NOT IN -212.75 .. -212.5");
+ END IF;
+ IF NON_MODEL_VAR - X NOT IN 213.75 .. 214.0 THEN
+ FAILED ("(2.0 / 3) - (-213.25) NOT IN 213.75 .. 214.0");
+ END IF;
+
+ EXCEPTION
+ WHEN OTHERS =>
+ FAILED ("EXCEPTION RAISED - B");
+ END B;
+
+ -------------------------------------------------------------------
+
+C: DECLARE
+ A_SMALL, A_MAX, A_MIN : ST_F1 := 0.0;
+ B_SMALL, B_MAX, B_MIN : ST_F2 := 0.0;
+ X : F;
+ BEGIN
+ -- INITIALIZE "CONSTANTS":
+ IF EQUAL (3, 3) THEN
+ A_SMALL := ST_F1'SMALL;
+ A_MAX := ST_F1'LAST; -- BECAUSE 'LAST < 'LARGE AND
+ -- 'LAST IS A MODEL NUMBER.
+ A_MIN := ST_F1'FIRST; -- 'FIRST IS A MODEL NUMBER.
+
+ B_SMALL := ST_F2'SMALL;
+ B_MAX := ST_F2'LAST; -- BECAUSE 'LAST <= 'LARGE AND
+ -- 'LAST IS A MODEL NUMBER.
+ B_MIN := ST_F2'FIRST; -- 'FIRST IS A MODEL NUMBER.
+ END IF;
+
+ IF A_MIN + B_MIN /= -4.8125 THEN
+ FAILED ("-4.0 + (-0.8125) /= -4.8125");
+ END IF;
+
+ IF A_MIN - B_MIN /= -3.1875 THEN
+ FAILED ("-4.0 - (-0.8125) /= -3.1875");
+ END IF;
+
+ IF (A_MIN + B_SMALL) NOT IN A_MIN .. -3.9375 THEN
+ FAILED ("(A_MIN + B_SMALL) NOT IN A_MIN .. -3.9375");
+ END IF;
+
+ IF (A_MIN - B_SMALL) NOT IN -4.0625 .. -4.0 THEN
+ FAILED ("(A_MIN - B_SMALL) NOT IN -4.0 .. -4.0625");
+ END IF;
+
+ IF A_MIN + B_MAX /= 1.0625 THEN
+ FAILED ("-4.0 + 5.0625 /= 1.0625");
+ END IF;
+
+ IF A_MIN - B_MAX /= -9.0625 THEN
+ FAILED ("-4.0 - 5.0625 /= -9.0625");
+ END IF;
+
+ IF (A_SMALL + B_MIN) NOT IN B_MIN..-0.3125 THEN
+ FAILED ("(A_SMALL + B_MIN) NOT IN B_MIN..-0.3125");
+ END IF;
+
+ IF (A_SMALL - B_MIN) NOT IN +0.8125 .. 1.3125 THEN
+ FAILED ("(A_SMALL - B_MIN) NOT IN -0.8125 .. 1.3125");
+ END IF;
+
+
+
+ IF (A_SMALL + B_MAX) NOT IN 5.0625 .. 5.5625 THEN
+ FAILED ("(A_SMALL + B_MAX) NOT IN 5.0625 .. 5.5625");
+ END IF;
+
+ IF (A_SMALL - B_MAX) NOT IN -5.0625 .. -4.5625 THEN
+ FAILED ("(A_SMALL - B_MAX) NOT IN -5.0625 .. -4.5625");
+ END IF;
+
+ IF A_MAX + B_MIN /= 2.1875 THEN
+ FAILED ("3.0 + (-0.8125) /= 2.1875");
+ END IF;
+
+ IF A_MAX - B_MIN /= 3.8125 THEN
+ FAILED ("3.0 - (-0.8125) /= 3.8125");
+ END IF;
+
+ IF (A_MAX + B_SMALL) NOT IN 3.0 .. 3.0625 THEN
+ FAILED ("(A_MAX + B_SMALL) NOT IN 3.0 .. 3.0625");
+ END IF;
+
+ IF (A_MAX - B_SMALL) NOT IN 2.9375..3.0 THEN
+ FAILED ("(A_MAX - B_SMALL) NOT IN 2.9375..3.0");
+ END IF;
+
+ IF A_MAX + B_MAX /= 8.0625 THEN
+ FAILED ("3.0 + 5.0625 /= 8.0625");
+ END IF;
+
+ IF A_MAX - B_MAX /= -2.0625 THEN
+ FAILED ("3.0 - 5.0625 /= -2.0625");
+ END IF;
+
+ X := B_MIN - A_MIN;
+ IF X NOT IN 3.0 .. 3.25 THEN
+ FAILED ("-0.8125 - (-4.0) NOT IN RANGE");
+ END IF;
+
+ X := B_MIN - A_SMALL;
+ IF X NOT IN -1.3125 .. -0.8125 THEN
+ FAILED ("B_MIN - A_SMALL NOT IN RANGE");
+ END IF;
+
+ X := B_MIN - A_MAX;
+ IF X NOT IN -4.0 .. -3.75 THEN
+ FAILED ("-0.8125 - 3.0 NOT IN RANGE");
+ END IF;
+
+ X := B_SMALL - A_MIN;
+ IF X NOT IN 4.0 .. 4.0625 THEN
+ FAILED ("B_SMALL - A_MIN NOT IN RANGE");
+ END IF;
+
+
+ X := B_SMALL - A_MAX;
+ IF X NOT IN -3.0 .. -2.75 THEN
+ FAILED ("B_SMALL - A_MAX NOT IN RANGE");
+ END IF;
+
+ X := B_MAX - A_MIN;
+ IF X NOT IN 9.0 .. 9.25 THEN
+ FAILED ("5.0625 - (-4.0) NOT IN RANGE");
+ END IF;
+
+ X := B_MAX - A_SMALL;
+ IF X NOT IN 4.56 .. 5.0625 THEN
+ FAILED ("5.0625 - 0.5 NOT IN RANGE");
+ END IF;
+
+ X := B_MAX - A_MAX;
+ IF X NOT IN 2.0 .. 2.25 THEN
+ FAILED ("5.0625 - 3.0 NOT IN RANGE");
+ END IF;
+
+ EXCEPTION
+ WHEN OTHERS =>
+ FAILED ("EXCEPTION RAISED - C");
+ END C;
+
+ -------------------------------------------------------------------
+
+ RESULT;
+
+END C45331A;