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 FIXED POINT TYPES USING 3 SUBTESTS.
28 -- THIS TEST REQUIRES MIN_WORD_LENGTH = 16.
29 -- THIS TEST USES VALUES OF DELTA WHICH ARE LESS THAN 0.5.
32 -- A) THE OPERATOR *, A, B, AND A * B ALL MODEL NUMBERS.
33 -- B) THE OPERATOR *, A, B MODEL NUMBERS A * B NOT.
34 -- C) THE OPERATOR *, USING NO MODEL NUMBERS.
36 -- REPEAT FOR MINIMUM REQUIRED WORD LENGTHS OF 12, 16, 32 AND 48,
37 -- WITH RANGE <, =, AND > THAN 1.0 AND
38 -- WITH DELTA <, =, AND > THAN 1.0.
41 -- NTW 09/08/86 CREATED ORIGINAL TEST.
42 -- RJW 11/05/86 REVISED COMMENTS.
43 -- DHH 01/13/88 ADDED APPLICABILITY CRITERIA AND STANDARD HEADER.
44 -- RDH 04/27/90 REVISED APPLICABILITY CRITERIA.
45 -- BCB 10/03/90 REMOVED APPLICABILITY CRITERIA AND N/A => ERROR
46 -- LINE. CHANGED EXTENSION FROM '.DEP' TO '.ADA'.
53 MIN_WORD_LENGTH
: CONSTANT := 16;
54 FULL_SCALE
: CONSTANT := 2 ** (MIN_WORD_LENGTH
- 1);
55 FORTH
: CONSTANT := FULL_SCALE
/ 4;
56 DEL1
: CONSTANT := 0.5 / FULL_SCALE
;
57 TYPE FX_0P5
IS DELTA DEL1
* 1 RANGE -0.5 .. 0.5 - DEL1
* 1;
58 TYPE FX_1
IS DELTA DEL1
* 2 RANGE -1.0 .. 1.0 - DEL1
* 2;
59 TYPE FX_2
IS DELTA DEL1
* 4 RANGE -2.0 .. 2.0 - DEL1
* 4;
61 BEGIN TEST
("C45532E", "FIXED POINT OPERATOR ""*""" );
63 --------------------------------------------------
65 -- CASE A) THE OPERATOR *, A, B, AND A * B ALL MODEL NUMBERS.
70 RESULT_VALUE
: FX_1
:= 0.0;
71 LOWEST_ACCEPTABLE_VALUE
: FX_1
:= FX_1
(0.125);
72 HIGHEST_ACCEPTABLE_VALUE
: FX_1
:= FX_1
(0.125);
75 A
:= FX_0P5
(0.25); -- A MODEL NUMBER
76 B
:= FX_2
(0.50); -- A MODEL NUMBER
79 RESULT_VALUE
:= FX_1
(A
* B
);
81 IF (RESULT_VALUE
< LOWEST_ACCEPTABLE_VALUE
)
82 OR (RESULT_VALUE
> HIGHEST_ACCEPTABLE_VALUE
) THEN
83 FAILED
("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
84 & "WHEN A, B, AND A * B ARE ALL MODEL NUMBERS");
88 --------------------------------------------------
90 -- CASE B) THE OPERATOR *, A, B MODEL NUMBERS A * B NOT.
95 RESULT_VALUE
: FX_2
:= 0.0;
96 LOW_COUNT
: CONSTANT := FULL_SCALE
/ 64;
97 HIGH_COUNT
: CONSTANT := LOW_COUNT
+ 1;
98 LOWEST_ACCEPTABLE_VALUE
: FX_2
99 := FX_2
(4 * DEL1
* LOW_COUNT
);
100 HIGHEST_ACCEPTABLE_VALUE
: FX_2
101 := FX_2
(4 * DEL1
* HIGH_COUNT
);
104 A
:= FX_0P5
(DEL1
* (FORTH
+ 1) ); -- A MODEL NUMBER
105 B
:= FX_1
(DEL1
* (FORTH
* 2) ); -- A MODEL NUMBER
108 RESULT_VALUE
:= FX_2
(A
* B
);
110 IF (RESULT_VALUE
< LOWEST_ACCEPTABLE_VALUE
)
111 OR (RESULT_VALUE
> HIGHEST_ACCEPTABLE_VALUE
) THEN
112 FAILED
("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
113 & "WHEN A, B MODEL NUMBERS A * B NOT");
117 --------------------------------------------------
119 -- CASE C) THE OPERATOR *, USING NO MODEL NUMBERS
124 RESULT_VALUE
: FX_2
:= 0.0;
125 LOW_COUNT
: CONSTANT := FULL_SCALE
/ 128 - 1;
126 HIGH_COUNT
: CONSTANT := FULL_SCALE
/ 128 + 1;
127 LOWEST_ACCEPTABLE_VALUE
: FX_2
128 := FX_2
(4 * DEL1
* LOW_COUNT
);
129 HIGHEST_ACCEPTABLE_VALUE
: FX_2
130 := FX_2
(4 * DEL1
* HIGH_COUNT
);
133 A
:= FX_1
(DEL1
* (FORTH
+ 1) ); -- NOT MODEL NUMBER
134 B
:= FX_1
(DEL1
* (FORTH
- 1) ); -- NOT MODEL NUMBER
137 RESULT_VALUE
:= FX_2
(A
* B
);
139 IF (RESULT_VALUE
< LOWEST_ACCEPTABLE_VALUE
)
140 OR (RESULT_VALUE
> HIGHEST_ACCEPTABLE_VALUE
) THEN
141 FAILED
("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
142 & "WHEN USING NO MODEL NUMBERS");
146 --------------------------------------------------