1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
-- C45651A.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:
-- FOR FIXED POINT TYPES, CHECK:
-- (A) FOR MODEL NUMBERS A >= 0.0, THAT ABS A = A.
-- (B) FOR MODEL NUMBERS A <= 0.0. THAT ABS A = -A.
-- (C) FOR NON-MODEL NUMBERS A > 0.0, THAT ABS A VALUES ARE
-- WITHIN THE APPROPRIATE MODEL INTERVAL.
-- (D) FOR NON-MODEL NUMBERS A < 0.0, THAT ABS A VALUES ARE
-- WITHIN THE APPROPRIATE MODEL INTERVAL.
-- CASE A: BASIC TYPES THAT FIT THE CHARACTERISTICS OF
-- DURATION'BASE.
-- HISTORY:
-- WRG 9/11/86
-- PWB 3/31/88 CHANGED RANGE FOR MEMBERSHIP TEST INVOLVING
-- ABS (DECIMAL_M4'FIRST + DECIMAL_M4'SMALL / 2).
-- RJW 8/21/89 REMOVED CHECKS INVOLVING HARD-CODED FIXED-POINT
-- UPPER BOUNDS WHICH WERE INCORRECT FOR SOME
-- IMPLEMENTATIONS. REVISED HEADER.
-- PWN 02/02/95 REMOVED INCONSISTENCIES WITH ADA 9X.
-- KAS 11/14/95 REMOVED CASES THAT DEPEND ON SPECIFIC VALUE FOR 'SMALL
-- TMB 11/19/94 REMOVED CASES RELATING TO 3.5.9(8) RULES - SMALL
-- MAY BE LESS THAN OR EQUAL TO DELTA FOR FIXED POINT.
WITH REPORT; USE REPORT;
PROCEDURE C45651A IS
-- THE NAME OF EACH TYPE OR SUBTYPE ENDS WITH THAT TYPE'S
-- 'MANTISSA VALUE.
BEGIN
TEST ("C45651A", "CHECK THAT, FOR FIXED POINT TYPES, THE ABS " &
"OPERATOR PRODUCES CORRECT RESULTS - BASIC " &
"TYPES");
-------------------------------------------------------------------
A: DECLARE
TYPE LIKE_DURATION_M23 IS DELTA 0.020
RANGE -86_400.0 .. 86_400.0;
NON_MODEL_CONST : CONSTANT := 2.0 / 3;
NON_MODEL_VAR : LIKE_DURATION_M23 := 0.0;
SMALL, MAX, MIN, ZERO : LIKE_DURATION_M23 := 0.5;
X : LIKE_DURATION_M23 := 1.0;
BEGIN
-- INITIALIZE "CONSTANTS":
IF EQUAL (3, 3) THEN
SMALL := LIKE_DURATION_M23'SMALL;
MAX := LIKE_DURATION_M23'LAST;
MIN := LIKE_DURATION_M23'FIRST;
ZERO := 0.0;
NON_MODEL_VAR := NON_MODEL_CONST;
END IF;
-- (A)
IF EQUAL (3, 3) THEN
X := SMALL;
END IF;
IF ABS X /= SMALL OR X /= ABS LIKE_DURATION_M23'SMALL THEN
FAILED ("ABS (1.0 / 64) /= (1.0 / 64)");
END IF;
IF EQUAL (3, 3) THEN
X := MAX;
END IF;
IF ABS X /= MAX OR X /= ABS LIKE_DURATION_M23'LAST THEN
FAILED ("ABS 86_400.0 /= 86_400.0");
END IF;
-- (B)
IF EQUAL (3, 3) THEN
X := -SMALL;
END IF;
IF ABS X /= SMALL OR
ABS (-LIKE_DURATION_M23'SMALL) /= SMALL THEN
FAILED ("ABS -(1.0 / 64) /= (1.0 / 64)");
END IF;
IF EQUAL (3, 3) THEN
X := MIN;
END IF;
IF ABS X /= MAX OR ABS LIKE_DURATION_M23'FIRST /= MAX THEN
FAILED ("ABS -86_400.0 /= 86_400.0");
END IF;
-- (A) AND (B)
IF EQUAL (3, 3) THEN
X := 0.0;
END IF;
IF "ABS" (RIGHT => X) /= ZERO OR X /= ABS 0.0 THEN
FAILED ("ABS 0.0 /= 0.0 -- (LIKE_DURATION_M23)");
END IF;
-- CHECK THAT VALUE OF NON_MODEL_VAR IS IN THE RANGE
-- 42 * 'SMALL .. 43 * 'SMALL:
IF NON_MODEL_VAR NOT IN 0.65625 .. 0.671875 THEN
FAILED ("VALUE OF NON_MODEL_VAR NOT IN CORRECT RANGE " &
"- A");
END IF;
-- (C)
IF ABS NON_MODEL_VAR NOT IN 0.65625 .. 0.671875 OR
ABS LIKE_DURATION_M23'(NON_MODEL_CONST) NOT IN
0.65625 .. 0.671875 THEN
FAILED ("ABS (2.0 / 3) NOT IN CORRECT RANGE - A");
END IF;
IF EQUAL (3, 3) THEN
X := 86_399.992_187_5; -- LIKE_DURATION_M23'LAST -
-- 1.0 / 128.
END IF;
IF ABS X NOT IN 86_399.984_375 .. 86_400.0 OR
ABS (LIKE_DURATION_M23'LAST - LIKE_DURATION_M23'SMALL / 2)
NOT IN 86_399.984_375 .. 86_400.0 THEN
FAILED ("ABS (LIKE_DURATION_M23'LAST - " &
"LIKE_DURATION_M23'SMALL / 2) NOT IN CORRECT " &
"RANGE");
END IF;
-- (D)
IF EQUAL (3, 3) THEN
X := -NON_MODEL_CONST;
END IF;
IF ABS X NOT IN 0.65625 .. 0.671875 OR
ABS (-LIKE_DURATION_M23'(NON_MODEL_CONST)) NOT IN
0.65625 .. 0.671875 THEN
FAILED ("ABS (-2.0 / 3) NOT IN CORRECT RANGE - A");
END IF;
IF EQUAL (3, 3) THEN
X := -86_399.992_187_5; -- LIKE_DURATION_M23'FIRST +
-- 1.0 / 128.
END IF;
IF ABS X NOT IN 86_399.984_375 .. 86_400.0 OR
ABS (LIKE_DURATION_M23'FIRST + LIKE_DURATION_M23'SMALL / 2)
NOT IN 86_399.984_375 .. 86_400.0 THEN
FAILED ("ABS (LIKE_DURATION_M23'FIRST +" &
"LIKE_DURATION_M23'SMALL / 2) NOT IN CORRECT " &
"RANGE");
END IF;
END A;
-------------------------------------------------------------------
B: DECLARE
TYPE DECIMAL_M4 IS DELTA 100.0 RANGE -1000.0 .. 1000.0;
NON_MODEL_CONST : CONSTANT := 2.0 / 3;
NON_MODEL_VAR : DECIMAL_M4 := 0.0;
SMALL, MAX, MIN, ZERO : DECIMAL_M4 := 128.0;
X : DECIMAL_M4 := 0.0;
BEGIN
-- INITIALIZE "CONSTANTS":
IF EQUAL (3, 3) THEN
SMALL := DECIMAL_M4'SMALL;
ZERO := 0.0;
NON_MODEL_VAR := NON_MODEL_CONST;
END IF;
-- (A)
IF EQUAL (3, 3) THEN
X := SMALL;
END IF;
IF ABS X /= SMALL OR X /= ABS DECIMAL_M4'SMALL THEN
FAILED ("ABS 64.0 /= 64.0");
END IF;
-- (B)
IF EQUAL (3, 3) THEN
X := -SMALL;
END IF;
IF ABS X /= SMALL OR ABS (-DECIMAL_M4'SMALL) /= SMALL THEN
FAILED ("ABS -64.0 /= 64.0");
END IF;
-- (A) AND (B)
IF EQUAL (3, 3) THEN
X := 0.0;
END IF;
IF ABS X /= ZERO OR X /= ABS 0.0 THEN
FAILED ("ABS 0.0 /= 0.0 -- (DECIMAL_M4)");
END IF;
-- CHECK THE VALUE OF NON_MODEL_VAR:
IF NON_MODEL_VAR NOT IN 0.0 .. 64.0 THEN
FAILED ("VALUE OF NON_MODEL_VAR NOT IN CORRECT RANGE " &
"- B");
END IF;
-- (C)
IF ABS NON_MODEL_VAR NOT IN 0.0 .. 64.0 OR
ABS DECIMAL_M4'(NON_MODEL_CONST) NOT IN 0.0 .. 64.0 THEN
FAILED ("ABS (2.0 / 3) NOT IN CORRECT RANGE - B");
END IF;
IF EQUAL (3, 3) THEN
X := 37.0; -- INTERVAL IS 0.0 .. 64.0.
END IF;
IF EQUAL (3, 3) THEN
X := 928.0;
END IF;
-- (D)
IF EQUAL (3, 3) THEN
X := -NON_MODEL_CONST;
END IF;
IF ABS X NOT IN 0.0 .. 64.0 OR
ABS (-DECIMAL_M4'(NON_MODEL_CONST)) NOT IN 0.0 .. 64.0 THEN
FAILED ("ABS -(2.0 / 3) NOT IN CORRECT RANGE - B");
END IF;
IF EQUAL (3, 3) THEN
X := -37.0; -- INTERVAL IS -SMALL .. 0.0.
END IF;
IF EQUAL (3, 3) THEN
X := -928.0;
END IF;
END B;
-------------------------------------------------------------------
RESULT;
END C45651A;
|
