1-- C46013A.ADA
2
3--                             Grant of Unlimited Rights
4--
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
14--     to do so.
15--
16--                                    DISCLAIMER
17--
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.
24--*
25-- OBJECTIVE:
26--     CHECK THAT INTEGER CONVERSIONS ARE PERFORMED CORRECTLY WHEN THE
27--     OPERAND TYPE IS A FIXED POINT TYPE.
28
29-- HISTORY:
30--     JET 02/09/88  CREATED ORIGINAL TEST.
31
32WITH REPORT; USE REPORT;
33
34PROCEDURE C46013A IS
35
36     TYPE FIX1 IS DELTA 2#0.01# RANGE -16#20.0# .. 16#20.0#;
37     TYPE FIX2 IS DELTA 2#0.0001# RANGE -16#80.0# .. 16#80.0#;
38     TYPE FIX3 IS DELTA 2#0.000001# RANGE -16#200.0# .. 16#200.0#;
39     TYPE FIX4 IS NEW FIX1;
40
41     F1 : FIX1 := 7.75;
42     F2 : FIX2 := -111.25;
43     F3 : FIX3 := 0.875;
44     F4 : FIX4 := -15.25;
45
46     TYPE INT IS RANGE -512 .. 512;
47
48     FUNCTION IDENT (I : INT) RETURN INT IS
49     BEGIN
50          RETURN I * INT(IDENT_INT(1));
51     END IDENT;
52
53BEGIN
54     TEST ("C46013A", "CHECK THAT INTEGER CONVERSIONS ARE PERFORMED " &
55                      "CORRECTLY WHEN THE OPERAND TYPE IS A FIXED " &
56                      "POINT TYPE");
57
58     IF INTEGER(FIX1'(-7.25)) /= IDENT_INT(-7) THEN
59          FAILED ("INCORRECT VALUE (1)");
60     END IF;
61
62     IF INTEGER(FIX1'(6.75)) /= IDENT_INT(7) THEN
63          FAILED ("INCORRECT VALUE (2)");
64     END IF;
65
66     IF INTEGER(F1) /= IDENT_INT(8) THEN
67          FAILED ("INCORRECT VALUE (3)");
68     END IF;
69
70     IF INT(FIX1'(-7.25)) /= IDENT(-7) THEN
71          FAILED ("INCORRECT VALUE (4)");
72     END IF;
73
74     IF INTEGER(FIX1'(3.33)) /= IDENT_INT(3) AND
75        INTEGER(FIX1'(3.33)) /= IDENT_INT(4) THEN
76          FAILED ("INCORRECT VALUE (5)");
77     END IF;
78
79     IF INTEGER(FIX1'(-2.5)) = IDENT_INT(-2) AND
80        INTEGER(FIX1'(-1.5)) = IDENT_INT(-1) AND
81        INTEGER(FIX1'(1.5)) = IDENT_INT(2) AND
82        INTEGER(FIX1'(2.5)) = IDENT_INT(3) THEN
83          COMMENT ("FIX1 HALF VALUES ROUND UP");
84     ELSIF INTEGER(FIX1'(-2.5)) = IDENT_INT(-3) AND
85           INTEGER(FIX1'(-1.5)) = IDENT_INT(-2) AND
86           INTEGER(FIX1'(1.5)) = IDENT_INT(1) AND
87           INTEGER(FIX1'(2.5)) = IDENT_INT(2) THEN
88          COMMENT ("FIX1 HALF VALUES ROUND DOWN");
89     ELSIF INTEGER(FIX1'(-2.5)) = IDENT_INT(-2) AND
90           INTEGER(FIX1'(-1.5)) = IDENT_INT(-2) AND
91           INTEGER(FIX1'(1.5)) = IDENT_INT(2) AND
92           INTEGER(FIX1'(2.5)) = IDENT_INT(2) THEN
93          COMMENT ("FIX1 HALF VALUES ROUND TO EVEN");
94     ELSIF INTEGER(FIX1'(-2.5)) = IDENT_INT(-2) AND
95           INTEGER(FIX1'(-1.5)) = IDENT_INT(-1) AND
96           INTEGER(FIX1'(1.5)) = IDENT_INT(1) AND
97           INTEGER(FIX1'(2.5)) = IDENT_INT(2) THEN
98          COMMENT ("FIX1 HALF VALUES ROUND TOWARD ZERO");
99     ELSIF INTEGER(FIX1'(-2.5)) = IDENT_INT(-3) AND
100           INTEGER(FIX1'(-1.5)) = IDENT_INT(-2) AND
101           INTEGER(FIX1'(1.5)) = IDENT_INT(2) AND
102           INTEGER(FIX1'(2.5)) = IDENT_INT(3) THEN
103          COMMENT ("FIX1 HALF VALUES ROUND AWAY FROM ZERO");
104     ELSE
105          COMMENT ("FIX1 HALF VALUES ROUND ERRATICALLY");
106     END IF;
107
108     IF INTEGER(FIX2'(-127.9375)) /= IDENT_INT(-128) THEN
109          FAILED ("INCORRECT VALUE (6)");
110     END IF;
111
112     IF INTEGER(FIX2'(127.0625)) /= IDENT_INT(127) THEN
113          FAILED ("INCORRECT VALUE (7)");
114     END IF;
115
116     IF INTEGER(F2) /= IDENT_INT(-111) THEN
117          FAILED ("INCORRECT VALUE (8)");
118     END IF;
119
120     IF INT(FIX2'(-0.25)) /= IDENT(0) THEN
121          FAILED ("INCORRECT VALUE (9)");
122     END IF;
123
124     IF INTEGER(FIX2'(66.67)) /= IDENT_INT(67) AND
125        INTEGER(FIX2'(66.67)) /= IDENT_INT(66) THEN
126          FAILED ("INCORRECT VALUE (10)");
127     END IF;
128
129     IF INTEGER(FIX2'(-2.5)) = IDENT_INT(-2) AND
130        INTEGER(FIX2'(-1.5)) = IDENT_INT(-1) AND
131        INTEGER(FIX2'(1.5)) = IDENT_INT(2) AND
132        INTEGER(FIX2'(2.5)) = IDENT_INT(3) THEN
133          COMMENT ("FIX2 HALF VALUES ROUND UP");
134     ELSIF INTEGER(FIX2'(-2.5)) = IDENT_INT(-3) AND
135           INTEGER(FIX2'(-1.5)) = IDENT_INT(-2) AND
136           INTEGER(FIX2'(1.5)) = IDENT_INT(1) AND
137           INTEGER(FIX2'(2.5)) = IDENT_INT(2) THEN
138          COMMENT ("FIX2 HALF VALUES ROUND DOWN");
139     ELSIF INTEGER(FIX2'(-2.5)) = IDENT_INT(-2) AND
140           INTEGER(FIX2'(-1.5)) = IDENT_INT(-2) AND
141           INTEGER(FIX2'(1.5)) = IDENT_INT(2) AND
142           INTEGER(FIX2'(2.5)) = IDENT_INT(2) THEN
143          COMMENT ("FIX2 HALF VALUES ROUND TO EVEN");
144     ELSIF INTEGER(FIX2'(-2.5)) = IDENT_INT(-2) AND
145           INTEGER(FIX2'(-1.5)) = IDENT_INT(-1) AND
146           INTEGER(FIX2'(1.5)) = IDENT_INT(1) AND
147           INTEGER(FIX2'(2.5)) = IDENT_INT(2) THEN
148          COMMENT ("FIX2 HALF VALUES ROUND TOWARD ZERO");
149     ELSIF INTEGER(FIX2'(-2.5)) = IDENT_INT(-3) AND
150           INTEGER(FIX2'(-1.5)) = IDENT_INT(-2) AND
151           INTEGER(FIX2'(1.5)) = IDENT_INT(2) AND
152           INTEGER(FIX2'(2.5)) = IDENT_INT(3) THEN
153          COMMENT ("FIX2 HALF VALUES ROUND AWAY FROM ZERO");
154     ELSE
155          COMMENT ("FIX2 HALF VALUES ROUND ERRATICALLY");
156     END IF;
157
158     IF INTEGER(FIX3'(-0.25)) /= IDENT_INT(0) THEN
159          FAILED ("INCORRECT VALUE (11)");
160     END IF;
161
162     IF INTEGER(FIX3'(511.75)) /= IDENT_INT(512) THEN
163          FAILED ("INCORRECT VALUE (12)");
164     END IF;
165
166     IF INTEGER(F3) /= IDENT_INT(1) THEN
167          FAILED ("INCORRECT VALUE (13)");
168     END IF;
169
170     IF INT(FIX3'(-7.0)) /= IDENT(-7) THEN
171          FAILED ("INCORRECT VALUE (14)");
172     END IF;
173
174     IF INTEGER(FIX3'(-66.67)) /= IDENT_INT(-67) AND
175        INTEGER(FIX3'(-66.67)) /= IDENT_INT(-66) THEN
176          FAILED ("INCORRECT VALUE (15)");
177     END IF;
178
179     IF INTEGER(FIX3'(-2.5)) = IDENT_INT(-2) AND
180        INTEGER(FIX3'(-1.5)) = IDENT_INT(-1) AND
181        INTEGER(FIX3'(1.5)) = IDENT_INT(2) AND
182        INTEGER(FIX3'(2.5)) = IDENT_INT(3) THEN
183          COMMENT ("FIX3 HALF VALUES ROUND UP");
184     ELSIF INTEGER(FIX3'(-2.5)) = IDENT_INT(-3) AND
185           INTEGER(FIX3'(-1.5)) = IDENT_INT(-2) AND
186           INTEGER(FIX3'(1.5)) = IDENT_INT(1) AND
187           INTEGER(FIX3'(2.5)) = IDENT_INT(2) THEN
188          COMMENT ("FIX3 HALF VALUES ROUND DOWN");
189     ELSIF INTEGER(FIX3'(-2.5)) = IDENT_INT(-2) AND
190           INTEGER(FIX3'(-1.5)) = IDENT_INT(-2) AND
191           INTEGER(FIX3'(1.5)) = IDENT_INT(2) AND
192           INTEGER(FIX3'(2.5)) = IDENT_INT(2) THEN
193          COMMENT ("FIX3 HALF VALUES ROUND TO EVEN");
194     ELSIF INTEGER(FIX3'(-2.5)) = IDENT_INT(-2) AND
195           INTEGER(FIX3'(-1.5)) = IDENT_INT(-1) AND
196           INTEGER(FIX3'(1.5)) = IDENT_INT(1) AND
197           INTEGER(FIX3'(2.5)) = IDENT_INT(2) THEN
198          COMMENT ("FIX3 HALF VALUES ROUND TOWARD ZERO");
199     ELSIF INTEGER(FIX3'(-2.5)) = IDENT_INT(-3) AND
200           INTEGER(FIX3'(-1.5)) = IDENT_INT(-2) AND
201           INTEGER(FIX3'(1.5)) = IDENT_INT(2) AND
202           INTEGER(FIX3'(2.5)) = IDENT_INT(3) THEN
203          COMMENT ("FIX3 HALF VALUES ROUND AWAY FROM ZERO");
204     ELSE
205          COMMENT ("FIX3 HALF VALUES ROUND ERRATICALLY");
206     END IF;
207
208     IF INTEGER(FIX4'(-7.25)) /= IDENT_INT(-7) THEN
209          FAILED ("INCORRECT VALUE (16)");
210     END IF;
211
212     IF INTEGER(FIX4'(6.75)) /= IDENT_INT(7) THEN
213          FAILED ("INCORRECT VALUE (17)");
214     END IF;
215
216     IF INTEGER(F4) /= IDENT_INT(-15) THEN
217          FAILED ("INCORRECT VALUE (18)");
218     END IF;
219
220     IF INT(FIX4'(-31.75)) /= IDENT(-32) THEN
221          FAILED ("INCORRECT VALUE (19)");
222     END IF;
223
224     IF INTEGER(FIX4'(3.33)) /= IDENT_INT(3) AND
225        INTEGER(FIX4'(3.33)) /= IDENT_INT(4) THEN
226          FAILED ("INCORRECT VALUE (20)");
227     END IF;
228
229     IF INTEGER(FIX4'(-2.5)) = IDENT_INT(-2) AND
230        INTEGER(FIX4'(-1.5)) = IDENT_INT(-1) AND
231        INTEGER(FIX4'(1.5)) = IDENT_INT(2) AND
232        INTEGER(FIX4'(2.5)) = IDENT_INT(3) THEN
233          COMMENT ("FIX4 HALF VALUES ROUND UP");
234     ELSIF INTEGER(FIX4'(-2.5)) = IDENT_INT(-3) AND
235           INTEGER(FIX4'(-1.5)) = IDENT_INT(-2) AND
236           INTEGER(FIX4'(1.5)) = IDENT_INT(1) AND
237           INTEGER(FIX4'(2.5)) = IDENT_INT(2) THEN
238          COMMENT ("FIX4 HALF VALUES ROUND DOWN");
239     ELSIF INTEGER(FIX4'(-2.5)) = IDENT_INT(-2) AND
240           INTEGER(FIX4'(-1.5)) = IDENT_INT(-2) AND
241           INTEGER(FIX4'(1.5)) = IDENT_INT(2) AND
242           INTEGER(FIX4'(2.5)) = IDENT_INT(2) THEN
243          COMMENT ("FIX4 HALF VALUES ROUND TO EVEN");
244     ELSIF INTEGER(FIX4'(-2.5)) = IDENT_INT(-2) AND
245           INTEGER(FIX4'(-1.5)) = IDENT_INT(-1) AND
246           INTEGER(FIX4'(1.5)) = IDENT_INT(1) AND
247           INTEGER(FIX4'(2.5)) = IDENT_INT(2) THEN
248          COMMENT ("FIX4 HALF VALUES ROUND TOWARD ZERO");
249     ELSIF INTEGER(FIX4'(-2.5)) = IDENT_INT(-3) AND
250           INTEGER(FIX4'(-1.5)) = IDENT_INT(-2) AND
251           INTEGER(FIX4'(1.5)) = IDENT_INT(2) AND
252           INTEGER(FIX4'(2.5)) = IDENT_INT(3) THEN
253          COMMENT ("FIX4 HALF VALUES ROUND AWAY FROM ZERO");
254     ELSE
255          COMMENT ("FIX4 HALF VALUES ROUND ERRATICALLY");
256     END IF;
257
258     RESULT;
259
260END C46013A;
261