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+-- C45532C.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.
+--*
+-- OBJECTIVE:
+-- CHECK THAT THE OPERATOR "*" PRODUCES CORRECT RESULTS
+-- FOR FIXED POINT TYPES USING 3 SUBTESTS.
+-- THIS TEST REQUIRES MIN_WORD_LENGTH = 12.
+-- THIS TEST USES VALUES OF DELTA WHICH ARE GREATER THAN OR
+-- EQUAL TO 0.5.
+--
+-- TEST CASES ARE:
+-- A) THE OPERATOR *, A, B, AND A * B ALL MODEL NUMBERS.
+-- B) THE OPERATOR *, A, B MODEL NUMBERS A * B NOT.
+-- C) THE OPERATOR *, USING NO MODEL NUMBERS.
+--
+-- REPEAT FOR MINIMUM REQUIRED WORD LENGTHS OF 12, 16, 32 AND 48,
+-- WITH RANGE <, =, AND > THAN 1.0 AND
+-- WITH DELTA <, =, AND > THAN 1.0.
+
+-- HISTORY:
+-- NTW 09/08/86 CREATED ORIGINAL TEST.
+-- RJW 11/05/86 REVISED COMMENTS.
+-- DHH 01/13/88 ADDED APPLICABILITY CRITERIA AND STANDARD HEADER.
+-- RDH 04/27/90 REVISED APPLICABILITY CRITERIA.
+-- BCB 10/03/90 REMOVED APPLICABILITY CRITERIA AND N/A => ERROR
+-- LINE. CHANGED EXTENSION FROM '.DEP' TO '.ADA'.
+
+WITH REPORT;
+PROCEDURE C45532C IS
+
+ USE REPORT;
+
+ MIN_WORD_LENGTH : CONSTANT := 12;
+ FULL_SCALE : CONSTANT := 2 ** (MIN_WORD_LENGTH - 1);
+ FORTH : CONSTANT := FULL_SCALE / 4;
+ RNG1 : CONSTANT := FULL_SCALE * 0.5;
+ TYPE FX_0P5 IS DELTA 0.5 RANGE -RNG1 * 1 .. RNG1 * 1 - 0.5;
+ TYPE FX_1 IS DELTA 1.0 RANGE -RNG1 * 2 .. RNG1 * 2 - 1.0;
+ TYPE FX_RNG1 IS DELTA RNG1
+ RANGE -RNG1 * FULL_SCALE .. RNG1 * (FULL_SCALE - 1);
+
+BEGIN TEST ("C45532C", "FIXED POINT OPERATOR ""*"" "
+ & "FOR DELTA <, =, AND > 1.0");
+
+ --------------------------------------------------
+
+ -- CASE A) THE OPERATOR *, A, B, AND A * B ALL MODEL NUMBERS.
+
+A: DECLARE
+ A : FX_0P5 := 0.0;
+ B : FX_1 := 0.0;
+ RESULT_VALUE : FX_RNG1 := 0.0;
+ LOWEST_ACCEPTABLE_VALUE
+ : FX_RNG1 := FX_RNG1 (RNG1 * RNG1 / 4);
+ HIGHEST_ACCEPTABLE_VALUE
+ : FX_RNG1 := FX_RNG1 (RNG1 * RNG1 / 4);
+ BEGIN
+ IF EQUAL (3, 3) THEN
+ A := FX_0P5 (RNG1 / 2); -- A MODEL NUMBER
+ B := FX_1 (RNG1 / 2); -- A MODEL NUMBER
+ END IF;
+
+ RESULT_VALUE := FX_RNG1 (A * B);
+
+ IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
+ OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
+ FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
+ & "WHEN A, B, AND A * B ARE ALL MODEL NUMBERS");
+ END IF;
+ END A;
+
+ --------------------------------------------------
+
+ -- CASE B) THE OPERATOR *, A, B MODEL NUMBERS A * B NOT.
+
+B: DECLARE
+ A : FX_0P5 := 0.0;
+ B : FX_0P5 := 0.0;
+ RESULT_VALUE : FX_RNG1 := 0.0;
+ LOW_COUNT : CONSTANT := FULL_SCALE / 16;
+ HIGH_COUNT : CONSTANT := LOW_COUNT + 1;
+ LOWEST_ACCEPTABLE_VALUE : FX_RNG1
+ := FX_RNG1 (RNG1 * LOW_COUNT);
+ HIGHEST_ACCEPTABLE_VALUE : FX_RNG1
+ := FX_RNG1 (RNG1 * HIGH_COUNT);
+ BEGIN
+ IF EQUAL (3, 3) THEN
+ A := FX_0P5 (0.5 * (FORTH + 1) ); -- A MODEL NUMBER
+ B := FX_0P5 (0.5 * (FORTH * 2) ); -- A MODEL NUMBER
+ END IF;
+
+ RESULT_VALUE := FX_RNG1 (A * B);
+
+ IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
+ OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
+ FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
+ & "WHEN A, B MODEL NUMBERS A * B NOT");
+ END IF;
+ END B;
+
+ --------------------------------------------------
+
+ -- CASE C) THE OPERATOR *, USING NO MODEL NUMBERS
+
+C: DECLARE
+ A : FX_1 := 0.0;
+ B : FX_1 := 0.0;
+ RESULT_VALUE : FX_RNG1 := 0.0;
+ LOW_COUNT : CONSTANT := FULL_SCALE / 32 - 1;
+ HIGH_COUNT : CONSTANT := FULL_SCALE / 32 + 1;
+ LOWEST_ACCEPTABLE_VALUE : FX_RNG1
+ := FX_RNG1 (RNG1 * LOW_COUNT);
+ HIGHEST_ACCEPTABLE_VALUE : FX_RNG1
+ := FX_RNG1 (RNG1 * HIGH_COUNT);
+ BEGIN
+ IF EQUAL (3, 3) THEN
+ A := FX_1 (0.5 * (FORTH + 1) ); -- NOT MODEL NUMBER
+ B := FX_1 (0.5 * (FORTH - 1) ); -- NOT MODEL NUMBER
+ END IF;
+
+ RESULT_VALUE := FX_RNG1 (A * B);
+
+ IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
+ OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
+ FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
+ & "WHEN USING NO MODEL NUMBERS");
+ END IF;
+ END C;
+
+ --------------------------------------------------
+
+
+ RESULT;
+
+END C45532C;