3 -- Grant of Unlimited Rights
5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
7 -- unlimited rights in the software and documentation contained herein.
8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
9 -- this public release, the Government intends to confer upon all
10 -- recipients unlimited rights equal to those held by the Government.
11 -- These rights include rights to use, duplicate, release or disclose the
12 -- released technical data and computer software in whole or in part, in
13 -- any manner and for any purpose whatsoever, and to have or permit others
18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
26 -- CHECK THAT THE OPERATOR "*" PRODUCES CORRECT RESULTS
27 -- FOR MIXED FIXED POINT AND INTEGER TYPES USING 4 SUBTESTS.
28 -- THIS TEST REQUIRES MIN_WORD_LENGTH = 48.
29 -- THIS TEST USES VALUES OF DELTA WHICH ARE GREATER THAN OR
33 -- A) INTEGER * FIXED WHEN ALL VALUES ARE MODEL NUMBERS.
34 -- B) FIXED * INTEGER WHEN ALL VALUES ARE MODEL NUMBERS.
35 -- C) INTEGER * FIXED FOR NON-MODEL NUMBERS.
36 -- D) FIXED * INTEGER FOR NON-MODEL NUMBERS.
38 -- REPEAT FOR MINIMUM REQUIRED WORD LENGTHS OF 12, 16, 32 AND 48,
39 -- WITH RANGE <, =, AND > THAN 1.0 AND
40 -- WITH DELTA <, =, AND > THAN 1.0.
42 -- APPLICABILITY CRITERIA:
43 -- THIS TEST IS APPLICABLE FOR IMPLEMENTATIONS WHICH HAVE A
44 -- 'MAX_MANTISSA OF 47 OR GREATER.
46 -- IF 'MAX_MANTISSA >= 47 IS NOT SUPPORTED THEN THE DECLARATION OF
47 -- 'TYPE FX_OP5' MUST BE REJECTED.
50 -- NTW 09/08/86 CREATED ORIGINAL TEST.
51 -- RJW 11/05/86 REVISED COMMENTS.
52 -- DHH 01/13/88 ADDED APPLICABILITY CRITERIA AND STANDARD HEADER.
53 -- BCB 04/27/90 REVISED APPLICABILITY CRITERIA.
60 MIN_WORD_LENGTH : CONSTANT := 48;
61 FULL_SCALE : CONSTANT := 2 ** (MIN_WORD_LENGTH - 1);
62 FORTH : CONSTANT := FULL_SCALE / 4;
63 RNG1 : CONSTANT := FULL_SCALE * 0.5;
64 TYPE FX_0P5 IS DELTA 0.5 RANGE -RNG1 * 1 .. RNG1 * 1 - 0.5;
66 TYPE FX_1 IS DELTA 1.0 RANGE -RNG1 * 2 .. RNG1 * 2 - 1.0;
67 TYPE FX_RNG1 IS DELTA RNG1
68 RANGE -RNG1 * FULL_SCALE .. RNG1 * (FULL_SCALE - 1);
70 BEGIN TEST ("C45531O", "MIXED FIXED POINT AND INTEGER ""*"" "
71 & "FOR DELTA <, =, > 1.0");
73 --------------------------------------------------
75 -- CASE A) INTEGER * FIXED WHEN ALL VALUES ARE MODEL NUMBERS.
80 RESULT_VALUE : FX_0P5 := 0.0;
81 LOWEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (7.5);
82 HIGHEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (7.5);
86 B := FX_0P5 (2.5); -- A MODEL NUMBER
89 RESULT_VALUE := A * B;
91 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
92 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
93 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
94 & "FOR INTEGER * FIXED "
95 & "WHEN ALL VALUES ARE MODEL NUMBERS");
99 --------------------------------------------------
101 -- CASE B) FIXED * INTEGER WHEN ALL VALUES ARE MODEL NUMBERS.
106 RESULT_VALUE : FX_1 := 0.0;
107 LOWEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (3 * FORTH);
108 HIGHEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (3 * FORTH);
111 A := FX_1 (FULL_SCALE / 8); -- A MODEL NUMBER
115 RESULT_VALUE := A * B;
117 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
118 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
119 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
120 & "FOR FIXED * INTEGER "
121 & "WHEN ALL VALUES ARE MODEL NUMBERS");
125 --------------------------------------------------
127 -- CASE C) INTEGER * FIXED FOR NON-MODEL NUMBERS.
132 RESULT_VALUE : FX_RNG1 := 0.0;
133 LOW_COUNT : CONSTANT := (3 * (FORTH + 0) );
134 HIGH_COUNT : CONSTANT := (3 * (FORTH + 1) );
135 LOWEST_ACCEPTABLE_VALUE : FX_RNG1
136 := FX_RNG1 (RNG1 * LOW_COUNT );
137 HIGHEST_ACCEPTABLE_VALUE : FX_RNG1
138 := FX_RNG1 (RNG1 * HIGH_COUNT);
140 IF EQUAL (3, 3) THEN -- B NOT A MODEL NUMBER
142 B := FX_RNG1 (RNG1 * FORTH + 0.5);
145 RESULT_VALUE := A * B;
147 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
148 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
149 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
150 & "FOR INTEGER * FIXED FOR NON-MODEL NUMBERS");
155 --------------------------------------------------
157 -- CASE D) FIXED * INTEGER FOR NON-MODEL NUMBERS.
162 RESULT_VALUE : FX_RNG1 := 0.0;
163 LOW_COUNT : CONSTANT := (3 * (FORTH + 0) );
164 HIGH_COUNT : CONSTANT := (3 * (FORTH + 1) );
165 LOWEST_ACCEPTABLE_VALUE : FX_RNG1
166 := FX_RNG1 (RNG1 * LOW_COUNT );
167 HIGHEST_ACCEPTABLE_VALUE : FX_RNG1
168 := FX_RNG1 (RNG1 * HIGH_COUNT);
170 IF EQUAL (3, 3) THEN -- A NOT A MODEL NUMBER
171 A := FX_RNG1 (RNG1 * FORTH + 0.5);
175 RESULT_VALUE := A * B;
177 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
178 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
179 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
180 & "FOR FIXED * INTEGER FOR NON-MODEL NUMBERS");
184 --------------------------------------------------