OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [ada/] [acats/] [tests/] [c4/] [c45532k.ada] - Blame information for rev 720

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 720 jeremybenn
-- C45532K.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 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 GREATER THAN OR
30
--       EQUAL TO 0.5.
31
--
32
--     TEST CASES ARE:
33
--       A) THE OPERATOR *, A, B, AND A * B ALL MODEL NUMBERS.
34
--       B) THE OPERATOR *, A, B MODEL NUMBERS A * B NOT.
35
--       C) THE OPERATOR *, USING NO MODEL NUMBERS.
36
--
37
--     REPEAT FOR MINIMUM REQUIRED WORD LENGTHS OF 12, 16, 32 AND 48,
38
--     WITH RANGE <, =, AND > THAN 1.0 AND
39
--     WITH DELTA <, =, AND > THAN 1.0.
40
 
41
-- HISTORY:
42
--     NTW 09/08/86 CREATED ORIGINAL TEST.
43
--     RJW 11/05/86 REVISED COMMENTS.
44
--     DHH 01/13/88 ADDED APPLICABILITY CRITERIA AND STANDARD HEADER.
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'.
48
 
49
 
50
WITH REPORT;
51
PROCEDURE C45532K IS
52
 
53
     USE REPORT;
54
 
55
     MIN_WORD_LENGTH : CONSTANT := 32;
56
     FULL_SCALE      : CONSTANT := 2 ** (MIN_WORD_LENGTH - 1);
57
     FORTH           : CONSTANT := FULL_SCALE / 4;
58
     RNG1            : CONSTANT := FULL_SCALE * 0.5;
59
     TYPE FX_0P5  IS DELTA 0.5 RANGE -RNG1 * 1 .. RNG1 * 1 - 0.5;
60
     TYPE FX_1    IS DELTA 1.0 RANGE -RNG1 * 2 .. RNG1 * 2 - 1.0;
61
     TYPE FX_RNG1 IS DELTA RNG1
62
                    RANGE -RNG1 * FULL_SCALE .. RNG1 * (FULL_SCALE - 1);
63
 
64
BEGIN TEST ("C45532K", "FIXED POINT OPERATOR ""*""" );
65
 
66
     --------------------------------------------------
67
 
68
     -- CASE A) THE OPERATOR *, A, B, AND A * B ALL MODEL NUMBERS.
69
 
70
A:   DECLARE
71
          A              : FX_0P5  := 0.0;
72
          B              : FX_1    := 0.0;
73
          RESULT_VALUE   : FX_RNG1 := 0.0;
74
          LOWEST_ACCEPTABLE_VALUE
75
                         : FX_RNG1 := FX_RNG1 (RNG1 * RNG1 / 4);
76
          HIGHEST_ACCEPTABLE_VALUE
77
                         : FX_RNG1 := FX_RNG1 (RNG1 * RNG1 / 4);
78
     BEGIN
79
          IF EQUAL (3, 3) THEN
80
               A := FX_0P5 (RNG1 / 2);            -- A MODEL NUMBER
81
               B := FX_1   (RNG1 / 2);            -- A MODEL NUMBER
82
          END IF;
83
 
84
          RESULT_VALUE := FX_RNG1 (A * B);
85
 
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");
90
          END IF;
91
     END A;
92
 
93
     --------------------------------------------------
94
 
95
     -- CASE B) THE OPERATOR *, A, B MODEL NUMBERS A * B NOT.
96
 
97
B:   DECLARE
98
          A              : FX_0P5  := 0.0;
99
          B              : FX_0P5  := 0.0;
100
          RESULT_VALUE   : FX_RNG1 := 0.0;
101
          LOW_COUNT     : CONSTANT := FULL_SCALE / 16;
102
          HIGH_COUNT    : CONSTANT := LOW_COUNT + 1;
103
          LOWEST_ACCEPTABLE_VALUE  :  FX_RNG1
104
                                   := FX_RNG1 (RNG1 * LOW_COUNT);
105
          HIGHEST_ACCEPTABLE_VALUE :  FX_RNG1
106
                                   := FX_RNG1 (RNG1 * HIGH_COUNT);
107
     BEGIN
108
          IF EQUAL (3, 3) THEN
109
               A := FX_0P5 (0.5 * (FORTH + 1) );  -- A MODEL NUMBER
110
               B := FX_0P5 (0.5 * (FORTH * 2) );  -- A MODEL NUMBER
111
          END IF;
112
 
113
          RESULT_VALUE := FX_RNG1 (A * B);
114
 
115
          IF    (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
116
             OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
117
               FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
118
                    &  "WHEN A, B MODEL NUMBERS A * B NOT");
119
          END IF;
120
     END B;
121
 
122
     --------------------------------------------------
123
 
124
     -- CASE C) THE OPERATOR *, USING NO MODEL NUMBERS
125
 
126
C:   DECLARE
127
          A              : FX_1    := 0.0;
128
          B              : FX_1    := 0.0;
129
          RESULT_VALUE   : FX_RNG1    := 0.0;
130
          LOW_COUNT     : CONSTANT := FULL_SCALE / 32 - 1;
131
          HIGH_COUNT    : CONSTANT := FULL_SCALE / 32 + 1;
132
          LOWEST_ACCEPTABLE_VALUE  :  FX_RNG1
133
                                   := FX_RNG1 (RNG1 * LOW_COUNT);
134
          HIGHEST_ACCEPTABLE_VALUE :  FX_RNG1
135
                                   := FX_RNG1 (RNG1 * HIGH_COUNT);
136
     BEGIN
137
          IF EQUAL (3, 3) THEN
138
               A := FX_1 (0.5 * (FORTH + 1) );    -- NOT MODEL NUMBER
139
               B := FX_1 (0.5 * (FORTH - 1) );    -- NOT MODEL NUMBER
140
          END IF;
141
 
142
          RESULT_VALUE := FX_RNG1 (A * B);
143
 
144
          IF    (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
145
             OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
146
               FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
147
                    &  "WHEN USING NO MODEL NUMBERS");
148
          END IF;
149
     END C;
150
 
151
     --------------------------------------------------
152
 
153
 
154
     RESULT;
155
 
156
END C45532K;

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.