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 = 32.
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.
42 -- NTW 09/08/86 CREATED ORIGINAL TEST.
43 -- RJW 11/05/86 REVISED COMMENTS.
44 -- DHH 10/19/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.
45 -- RDH 04/27/90 REVISED APPLICABILITY CRITERIA.
46 -- BCB 10/03/90 REMOVED APPLICABILITY CRITERIA AND N/A => ERROR
47 -- LINE. CHANGED EXTENSION FROM '.DEP' TO '.ADA'.
54 MIN_WORD_LENGTH
: CONSTANT := 32; -- MUST BE EVEN & >= 6
55 FULL_SCALE
: CONSTANT := 2 ** (MIN_WORD_LENGTH
- 1);
56 FORTH
: CONSTANT := FULL_SCALE
/ 4;
57 A_THIRD
: CONSTANT := FULL_SCALE
/ 3;
58 DEL1
: CONSTANT := 0.5 / FULL_SCALE
;
59 TYPE FX_0P5
IS DELTA DEL1
* 1 RANGE -0.5 ..
61 TYPE FX_1
IS DELTA DEL1
* 2 RANGE -1.0 ..
63 TYPE FX_2
IS DELTA DEL1
* 4 RANGE -2.0 ..
66 BEGIN TEST
("C45532J", "FIXED POINT OPERATOR ""/""" );
68 --------------------------------------------------
70 -- CASE A) THE OPERATOR /, A, B, AND A / B ALL MODEL NUMBERS.
75 RESULT_VALUE
: FX_2
:= 0.0;
76 LOWEST_ACCEPTABLE_VALUE
: FX_2
:= FX_2
(0.5);
77 HIGHEST_ACCEPTABLE_VALUE
: FX_2
:= FX_2
(0.5);
80 A
:= FX_0P5
(0.125); -- A MODEL NUMBER
81 B
:= FX_1
(0.25); -- A MODEL NUMBER
84 RESULT_VALUE
:= FX_2
(A
/ B
);
86 IF (RESULT_VALUE
< LOWEST_ACCEPTABLE_VALUE
)
87 OR (RESULT_VALUE
> HIGHEST_ACCEPTABLE_VALUE
) THEN
88 FAILED
("RESULT OF ""/"" OUTSIDE RESULT MODEL INTERVAL "
89 & "WHEN A, B, AND A / B ARE ALL MODEL NUMBERS");
93 --------------------------------------------------
95 -- CASE B) THE OPERATOR /, A, B MODEL NUMBERS A / B NOT.
100 RESULT_VALUE
: FX_1
:= 0.0;
101 LOWEST_ACCEPTABLE_VALUE
: FX_1
102 := FX_1
(2 * DEL1
* A_THIRD
);
103 HIGHEST_ACCEPTABLE_VALUE
: FX_1
104 := FX_1
(2 * DEL1
* (A_THIRD
+ 1) );
107 A
:= FX_0P5
(DEL1
* 1); -- A MODEL NUMBER
108 B
:= FX_0P5
(DEL1
* 3); -- A MODEL NUMBER
111 RESULT_VALUE
:= FX_1
(A
/ B
);
113 IF (RESULT_VALUE
< LOWEST_ACCEPTABLE_VALUE
)
114 OR (RESULT_VALUE
> HIGHEST_ACCEPTABLE_VALUE
) THEN
115 FAILED
("RESULT OF ""/"" OUTSIDE RESULT MODEL INTERVAL "
116 & "WHEN A, B MODEL NUMBERS A / B NOT");
120 --------------------------------------------------
122 -- CASE C) THE OPERATOR /, USING NO MODEL NUMBERS
127 RESULT_VALUE
: FX_0P5
:= 0.0;
128 LOW_COUNT
: CONSTANT := 2 * A_THIRD
;
129 -- := (2 * FULL_SCALE * (2 * FORTH + 0))
130 -- / (6 * FORTH + 2);
131 HIGH_COUNT
: CONSTANT := 2 * A_THIRD
+ 4;
132 -- := (2 * FULL_SCALE * (2 * FORTH + 2))
133 -- / (6 * FORTH + 0);
134 LOWEST_ACCEPTABLE_VALUE
: FX_0P5
135 := FX_0P5
(DEL1
* LOW_COUNT
);
136 HIGHEST_ACCEPTABLE_VALUE
: FX_0P5
137 := FX_0P5
(DEL1
* HIGH_COUNT
);
139 IF EQUAL
(3, 3) THEN -- A AND B NOT MODEL NUMBERS
140 A
:= FX_1
(DEL1
* (2 * FORTH
+ 1));
141 B
:= FX_1
(DEL1
* (6 * FORTH
+ 1));
144 RESULT_VALUE
:= FX_0P5
(A
/ B
);
146 IF (RESULT_VALUE
< LOWEST_ACCEPTABLE_VALUE
)
147 OR (RESULT_VALUE
> HIGHEST_ACCEPTABLE_VALUE
) THEN
148 FAILED
("RESULT OF ""/"" OUTSIDE RESULT MODEL INTERVAL "
149 & "WHEN USING NO MODEL NUMBERS");
153 --------------------------------------------------