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+-- C45531A.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 MIXED FIXED POINT AND INTEGER TYPES USING 4 SUBTESTS.
+-- THIS TEST REQUIRES MIN_WORD_LENGTH = 12.
+-- THIS TEST USES VALUES OF DELTA WHICH ARE LESS THAN 0.5.
+--
+-- TEST CASES ARE:
+-- A) INTEGER * FIXED WHEN ALL VALUES ARE MODEL NUMBERS.
+-- B) FIXED * INTEGER WHEN ALL VALUES ARE MODEL NUMBERS.
+-- C) INTEGER * FIXED FOR NON-MODEL NUMBERS.
+-- D) FIXED * INTEGER FOR NON-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.
+-- BCB 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 C45531A IS
+
+ USE REPORT;
+
+ MIN_WORD_LENGTH : CONSTANT := 12;
+ FULL_SCALE : CONSTANT := 2 ** (MIN_WORD_LENGTH - 1);
+ FORTH : CONSTANT := FULL_SCALE / 4;
+ DEL1 : CONSTANT := 0.5 / FULL_SCALE;
+ DEL4 : CONSTANT := 4.0 * DEL1;
+ TYPE FX_0P5 IS DELTA DEL1 * 1 RANGE -0.5 .. 0.5 - DEL1 * 1;
+ TYPE FX_1 IS DELTA DEL1 * 2 RANGE -1.0 .. 1.0 - DEL1 * 2;
+ TYPE FX_2 IS DELTA DEL1 * 4 RANGE -2.0 .. 2.0 - DEL1 * 4;
+
+BEGIN TEST ("C45531A", "MIXED FIXED POINT AND INTEGER ""*"" "
+ & "FOR RANGE <, =, > 1.0");
+
+ --------------------------------------------------
+
+ -- CASE A) INTEGER * FIXED WHEN ALL VALUES ARE MODEL NUMBERS.
+
+A: DECLARE
+ A : INTEGER := 0;
+ B : FX_0P5 := 0.0;
+ RESULT_VALUE : FX_0P5 := 0.0;
+ LOWEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (0.375);
+ HIGHEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (0.375);
+ BEGIN
+ IF EQUAL (3, 3) THEN
+ A := 3;
+ B := FX_0P5 (0.125); -- A MODEL NUMBER
+ END IF;
+
+ RESULT_VALUE := A * B;
+
+ IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
+ OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
+ FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
+ & "FOR INTEGER * FIXED "
+ & "WHEN ALL VALUES ARE MODEL NUMBERS");
+ END IF;
+ END A;
+
+ --------------------------------------------------
+
+ -- CASE B) FIXED * INTEGER WHEN ALL VALUES ARE MODEL NUMBERS.
+
+B: DECLARE
+ A : FX_1 := 0.0;
+ B : INTEGER := 0;
+ RESULT_VALUE : FX_1 := 0.0;
+ LOWEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (0.75);
+ HIGHEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (0.75);
+ BEGIN
+ IF EQUAL (3, 3) THEN
+ A := FX_1 (0.125); -- A MODEL NUMBER
+ B := 6;
+ END IF;
+
+ RESULT_VALUE := A * B;
+
+ IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
+ OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
+ FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
+ & "FOR FIXED * INTEGER "
+ & "WHEN ALL VALUES ARE MODEL NUMBERS");
+ END IF;
+ END B;
+
+ --------------------------------------------------
+
+ -- CASE C) INTEGER * FIXED FOR NON-MODEL NUMBERS.
+
+C: DECLARE
+ A : INTEGER := 0;
+ B : FX_2 := 0.0;
+ RESULT_VALUE : FX_2 := 0.0;
+ LOW_COUNT : CONSTANT := (3 * (FORTH + 0) );
+ HIGH_COUNT : CONSTANT := (3 * (FORTH + 1) );
+ LOWEST_ACCEPTABLE_VALUE : FX_2
+ := FX_2 (DEL4 * LOW_COUNT );
+ HIGHEST_ACCEPTABLE_VALUE : FX_2
+ := FX_2 (DEL4 * HIGH_COUNT);
+ BEGIN
+ IF EQUAL (3, 3) THEN -- B NOT A MODEL NUMBER
+ A := 3;
+ B := FX_2 (DEL4 * FORTH + DEL1 );
+ END IF;
+
+ RESULT_VALUE := A * B;
+
+ IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
+ OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
+ FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
+ & "FOR INTEGER * FIXED FOR NON-MODEL NUMBERS");
+
+ END IF;
+ END C;
+
+ --------------------------------------------------
+
+ -- CASE D) FIXED * INTEGER FOR NON-MODEL NUMBERS.
+
+D: DECLARE
+ A : FX_2 := 0.0;
+ B : INTEGER := 0;
+ RESULT_VALUE : FX_2 := 0.0;
+ LOW_COUNT : CONSTANT := (3 * (FORTH + 0) );
+ HIGH_COUNT : CONSTANT := (3 * (FORTH + 1) );
+ LOWEST_ACCEPTABLE_VALUE : FX_2
+ := FX_2 (DEL4 * LOW_COUNT );
+ HIGHEST_ACCEPTABLE_VALUE : FX_2
+ := FX_2 (DEL4 * HIGH_COUNT);
+ BEGIN
+ IF EQUAL (3, 3) THEN -- A NOT A MODEL NUMBER
+ A := FX_2 (DEL4 * FORTH + DEL1 );
+ B := 3;
+ END IF;
+
+ RESULT_VALUE := A * B;
+
+ IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
+ OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
+ FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
+ & "FOR FIXED * INTEGER FOR NON-MODEL NUMBERS");
+ END IF;
+ END D;
+
+ --------------------------------------------------
+
+
+ RESULT;
+
+END C45531A;