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jlechner |
-- C45331A.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 FIXED POINT TYPES THE OPERATORS "+" AND "-" PRODUCE
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-- CORRECT RESULTS WHEN:
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-- (A) A, B, A+B, AND A-B ARE ALL MODEL NUMBERS.
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-- (B) A IS A MODEL NUMBER BUT B, A+B, AND A-B ARE NOT.
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-- (C) A, B, A+B, AND A-B ARE ALL MODEL NUMBERS WITH DIFFERENT
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-- SUBTYPES.
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-- CASE A: BASIC TYPES THAT FIT THE CHARACTERISTICS OF DURATION'BASE.
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-- WRG 8/27/86
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-- KAS 11/14/95 REDUCE EXPECTATION FOR T'SMALL
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-- KAS 11/30/95 ONE MORE CHANGE...
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-- PWN 02/28/96 CLEANED COMMENTS FOR RELEASE
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-- KAS 03/18/96 ELIDED TWO 'SMALL CASES FOR 2.1
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WITH REPORT; USE REPORT;
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PROCEDURE C45331A IS
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TYPE LIKE_DURATION IS DELTA 0.020 RANGE -86_400.0 .. 86_400.0;
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-- 'MANTISSA = 23.
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SUBTYPE F IS LIKE_DURATION DELTA 0.25 RANGE -1000.0 .. 1000.0;
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SUBTYPE ST_F1 IS LIKE_DURATION DELTA 0.5 RANGE -4.0 .. 3.0;
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SUBTYPE ST_F2 IS LIKE_DURATION DELTA 1.0 / 16
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RANGE -13.0 / 16 .. 5.0 + 1.0 / 16;
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BEGIN
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TEST ("C45331A", "CHECK THAT FOR FIXED POINT TYPES THE " &
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"OPERATORS ""+"" AND ""-"" PRODUCE CORRECT " &
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"RESULTS - BASIC TYPES");
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-------------------------------------------------------------------
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A: DECLARE
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SMALL, MAX, MIN, ZERO : F := 0.5;
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X : F := 0.0;
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BEGIN
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-- INITIALIZE "CONSTANTS":
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IF EQUAL (3, 3) THEN
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SMALL := F'SMALL;
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MAX := F'LAST; -- BECAUSE F'LAST < F'LARGE AND F'LAST
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-- IS A MODEL NUMBER.
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MIN := F'FIRST; -- F'FIRST IS A MODEL NUMBER.
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ZERO := 0.0;
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END IF;
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-- CHECK SMALL + OR - ZERO = SMALL:
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IF "+"(LEFT => SMALL, RIGHT => ZERO) /= SMALL OR
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0.0 + SMALL /= SMALL THEN
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FAILED ("F'SMALL + 0.0 /= F'SMALL");
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END IF;
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IF "-"(LEFT => SMALL, RIGHT => ZERO) /= SMALL OR
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SMALL - 0.0 /= SMALL THEN
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FAILED ("F'SMALL - 0.0 /= F'SMALL");
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END IF;
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-- CHECK MAX + OR - ZERO = MAX:
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IF MAX + ZERO /= MAX OR 0.0 + MAX /= MAX THEN
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FAILED ("F'LAST + 0.0 /= F'LAST");
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END IF;
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IF MAX - ZERO /= MAX OR MAX - 0.0 /= MAX THEN
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FAILED ("F'LAST - 0.0 /= F'LAST");
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END IF;
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-- CHECK SMALL - SMALL = 0.0:
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IF EQUAL (3, 3) THEN
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X := SMALL;
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END IF;
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IF SMALL - X /= 0.0 OR SMALL - SMALL /= 0.0 OR
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F'SMALL - F'SMALL /= 0.0 THEN
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FAILED ("F'SMALL - F'SMALL /= 0.0");
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END IF;
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-- CHECK MAX - MAX = 0.0:
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IF EQUAL (3, 3) THEN
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X := MAX;
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END IF;
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IF MAX - X /= 0.0 OR MAX - MAX /= 0.0 OR
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F'LAST - F'LAST /= 0.0 THEN
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FAILED ("F'LAST - F'LAST /= 0.0");
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END IF;
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-- CHECK ZERO - MAX = MIN, MIN - MIN = 0.0,
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-- AND MIN + MAX = 0.0:
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IF EQUAL (3, 3) THEN
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X := ZERO - MAX;
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END IF;
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IF X /= MIN THEN
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FAILED ("0.0 - 1000.0 /= -1000.0");
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END IF;
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IF EQUAL (3, 3) THEN
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X := MIN;
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END IF;
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IF MIN - X /= 0.0 OR MIN - MIN /= 0.0 OR
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F'FIRST - F'FIRST /= 0.0 THEN
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FAILED ("F'FIRST - F'FIRST /= 0.0");
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END IF;
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IF MIN + MAX /= 0.0 OR MAX + MIN /= 0.0 OR
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F'FIRST + F'LAST /= 0.0 THEN
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FAILED ("-1000.0 + 1000.0 /= 0.0");
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END IF;
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-- CHECK ADDITION AND SUBTRACTION FOR ARBITRARY MID-RANGE
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-- NUMBERS:
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IF EQUAL (3, 3) THEN
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X := 100.75;
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END IF;
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IF (X + SMALL) /= (SMALL + X) OR
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(X + SMALL) > (X + 0.25) THEN -- X + SMALL SB <= X + DELTA
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FAILED("X + SMALL DELIVERED BAD RESULT");
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END IF;
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-- CHECK (MAX - SMALL) + SMALL = MAX:
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IF EQUAL (3, 3) THEN
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X := MAX - SMALL;
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END IF;
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IF X + SMALL /= MAX THEN
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FAILED("(MAX - SMALL) + SMALL /= MAX");
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END IF;
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EXCEPTION
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WHEN OTHERS =>
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FAILED ("EXCEPTION RAISED - A");
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END A;
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-------------------------------------------------------------------
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B: DECLARE
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NON_MODEL_CONST : CONSTANT := 2.0 / 3;
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NON_MODEL_VAR : F := 0.0;
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SMALL, MAX, MIN, ZERO : F := 0.5;
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X : F := 0.0;
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BEGIN
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-- INITIALIZE "CONSTANTS":
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IF EQUAL (3, 3) THEN
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SMALL := F'SMALL;
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MAX := F'LAST; -- BECAUSE F'LAST < F'LARGE AND
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-- F'LAST IS A MODEL NUMBER.
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MIN := F'FIRST; -- F'FIRST IS A MODEL NUMBER.
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ZERO := 0.0;
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NON_MODEL_VAR := NON_MODEL_CONST;
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END IF;
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-- CHECK VALUE OF NON_MODEL_VAR:
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IF NON_MODEL_VAR NOT IN 0.5 .. 0.75 THEN
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FAILED ("VALUE OF NON_MODEL_VAR NOT IN CORRECT RANGE");
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END IF;
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-- CHECK NON-MODEL VALUE + OR - ZERO:
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IF NON_MODEL_VAR + ZERO NOT IN 0.5 .. 0.75 OR
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F'(0.0) + NON_MODEL_CONST NOT IN 0.5 .. 0.75 THEN
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FAILED ("(2.0 / 3) + 0.0 NOT IN 0.5 .. 0.75");
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END IF;
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IF NON_MODEL_VAR - ZERO NOT IN 0.5 .. 0.75 OR
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NON_MODEL_CONST - F'(0.0) NOT IN 0.5 .. 0.75 THEN
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FAILED ("(2.0 / 3) - 0.0 NOT IN 0.5 .. 0.75");
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END IF;
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-- CHECK ZERO - NON-MODEL:
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IF F'(0.0) - NON_MODEL_CONST NOT IN -0.75 .. -0.5 THEN
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FAILED ("0.0 - (2.0 / 3) NOT IN -0.75 .. -0.5");
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END IF;
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IF F'(1.0) - NON_MODEL_CONST NOT IN 0.25 .. 0.5 THEN
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FAILED ("1.0 - (2.0 / 3) NOT IN 0.25 .. 0.5");
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END IF;
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-- CHECK ADDITION AND SUBTRACTION OF NON-MODEL NEAR MIN AND
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-- MAX:
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IF MIN + NON_MODEL_VAR NOT IN -999.5 .. -999.25 OR
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NON_MODEL_CONST + F'FIRST NOT IN -999.5 .. -999.25 THEN
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FAILED ("-1000.0 + (2.0 / 3) NOT IN -999.5 .. -999.25");
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END IF;
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IF MAX - NON_MODEL_VAR NOT IN 999.25 .. 999.5 OR
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F'LAST - NON_MODEL_CONST NOT IN 999.25 .. 999.5 THEN
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FAILED ("1000.0 - (2.0 / 3) NOT IN 999.25 .. 999.5");
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END IF;
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-- CHECK ADDITION AND SUBTRACTION FOR ARBITRARY MID-RANGE
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-- MODEL NUMBER WITH NON-MODEL:
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IF EQUAL (3, 3) THEN
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X := -213.25;
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END IF;
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IF X + NON_MODEL_CONST NOT IN -212.75 .. -212.5 THEN
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FAILED ("-213.25 + (2.0 / 3) NOT IN -212.75 .. -212.5");
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END IF;
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IF NON_MODEL_VAR - X NOT IN 213.75 .. 214.0 THEN
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FAILED ("(2.0 / 3) - (-213.25) NOT IN 213.75 .. 214.0");
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END IF;
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EXCEPTION
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WHEN OTHERS =>
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FAILED ("EXCEPTION RAISED - B");
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END B;
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-------------------------------------------------------------------
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C: DECLARE
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A_SMALL, A_MAX, A_MIN : ST_F1 := 0.0;
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B_SMALL, B_MAX, B_MIN : ST_F2 := 0.0;
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X : F;
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BEGIN
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-- INITIALIZE "CONSTANTS":
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IF EQUAL (3, 3) THEN
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A_SMALL := ST_F1'SMALL;
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A_MAX := ST_F1'LAST; -- BECAUSE 'LAST < 'LARGE AND
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-- 'LAST IS A MODEL NUMBER.
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A_MIN := ST_F1'FIRST; -- 'FIRST IS A MODEL NUMBER.
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B_SMALL := ST_F2'SMALL;
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B_MAX := ST_F2'LAST; -- BECAUSE 'LAST <= 'LARGE AND
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-- 'LAST IS A MODEL NUMBER.
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B_MIN := ST_F2'FIRST; -- 'FIRST IS A MODEL NUMBER.
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END IF;
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IF A_MIN + B_MIN /= -4.8125 THEN
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FAILED ("-4.0 + (-0.8125) /= -4.8125");
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END IF;
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IF A_MIN - B_MIN /= -3.1875 THEN
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FAILED ("-4.0 - (-0.8125) /= -3.1875");
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END IF;
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IF (A_MIN + B_SMALL) NOT IN A_MIN .. -3.9375 THEN
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FAILED ("(A_MIN + B_SMALL) NOT IN A_MIN .. -3.9375");
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END IF;
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IF (A_MIN - B_SMALL) NOT IN -4.0625 .. -4.0 THEN
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FAILED ("(A_MIN - B_SMALL) NOT IN -4.0 .. -4.0625");
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END IF;
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IF A_MIN + B_MAX /= 1.0625 THEN
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FAILED ("-4.0 + 5.0625 /= 1.0625");
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END IF;
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IF A_MIN - B_MAX /= -9.0625 THEN
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FAILED ("-4.0 - 5.0625 /= -9.0625");
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END IF;
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IF (A_SMALL + B_MIN) NOT IN B_MIN..-0.3125 THEN
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FAILED ("(A_SMALL + B_MIN) NOT IN B_MIN..-0.3125");
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END IF;
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IF (A_SMALL - B_MIN) NOT IN +0.8125 .. 1.3125 THEN
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FAILED ("(A_SMALL - B_MIN) NOT IN -0.8125 .. 1.3125");
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END IF;
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IF (A_SMALL + B_MAX) NOT IN 5.0625 .. 5.5625 THEN
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FAILED ("(A_SMALL + B_MAX) NOT IN 5.0625 .. 5.5625");
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END IF;
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IF (A_SMALL - B_MAX) NOT IN -5.0625 .. -4.5625 THEN
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FAILED ("(A_SMALL - B_MAX) NOT IN -5.0625 .. -4.5625");
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END IF;
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IF A_MAX + B_MIN /= 2.1875 THEN
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FAILED ("3.0 + (-0.8125) /= 2.1875");
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END IF;
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IF A_MAX - B_MIN /= 3.8125 THEN
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FAILED ("3.0 - (-0.8125) /= 3.8125");
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END IF;
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IF (A_MAX + B_SMALL) NOT IN 3.0 .. 3.0625 THEN
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FAILED ("(A_MAX + B_SMALL) NOT IN 3.0 .. 3.0625");
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END IF;
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IF (A_MAX - B_SMALL) NOT IN 2.9375..3.0 THEN
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FAILED ("(A_MAX - B_SMALL) NOT IN 2.9375..3.0");
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END IF;
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IF A_MAX + B_MAX /= 8.0625 THEN
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FAILED ("3.0 + 5.0625 /= 8.0625");
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END IF;
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IF A_MAX - B_MAX /= -2.0625 THEN
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FAILED ("3.0 - 5.0625 /= -2.0625");
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END IF;
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X := B_MIN - A_MIN;
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IF X NOT IN 3.0 .. 3.25 THEN
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FAILED ("-0.8125 - (-4.0) NOT IN RANGE");
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END IF;
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X := B_MIN - A_SMALL;
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IF X NOT IN -1.3125 .. -0.8125 THEN
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FAILED ("B_MIN - A_SMALL NOT IN RANGE");
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END IF;
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X := B_MIN - A_MAX;
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IF X NOT IN -4.0 .. -3.75 THEN
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FAILED ("-0.8125 - 3.0 NOT IN RANGE");
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END IF;
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X := B_SMALL - A_MIN;
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IF X NOT IN 4.0 .. 4.0625 THEN
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|
|
FAILED ("B_SMALL - A_MIN NOT IN RANGE");
|
325 |
|
|
END IF;
|
326 |
|
|
|
327 |
|
|
|
328 |
|
|
X := B_SMALL - A_MAX;
|
329 |
|
|
IF X NOT IN -3.0 .. -2.75 THEN
|
330 |
|
|
FAILED ("B_SMALL - A_MAX NOT IN RANGE");
|
331 |
|
|
END IF;
|
332 |
|
|
|
333 |
|
|
X := B_MAX - A_MIN;
|
334 |
|
|
IF X NOT IN 9.0 .. 9.25 THEN
|
335 |
|
|
FAILED ("5.0625 - (-4.0) NOT IN RANGE");
|
336 |
|
|
END IF;
|
337 |
|
|
|
338 |
|
|
X := B_MAX - A_SMALL;
|
339 |
|
|
IF X NOT IN 4.56 .. 5.0625 THEN
|
340 |
|
|
FAILED ("5.0625 - 0.5 NOT IN RANGE");
|
341 |
|
|
END IF;
|
342 |
|
|
|
343 |
|
|
X := B_MAX - A_MAX;
|
344 |
|
|
IF X NOT IN 2.0 .. 2.25 THEN
|
345 |
|
|
FAILED ("5.0625 - 3.0 NOT IN RANGE");
|
346 |
|
|
END IF;
|
347 |
|
|
|
348 |
|
|
EXCEPTION
|
349 |
|
|
WHEN OTHERS =>
|
350 |
|
|
FAILED ("EXCEPTION RAISED - C");
|
351 |
|
|
END C;
|
352 |
|
|
|
353 |
|
|
-------------------------------------------------------------------
|
354 |
|
|
|
355 |
|
|
RESULT;
|
356 |
|
|
|
357 |
|
|
END C45331A;
|