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 MIXED FIXED POINT AND INTEGER TYPES USING 3 SUBTESTS.
28 -- THIS TEST REQUIRES MIN_WORD_LENGTH = 48.
29 -- THIS TEST USES VALUES OF DELTA WHICH ARE LESS THAN 0.5.
32 -- A) FIXED / INTEGER WHEN ALL VALUES ARE MODEL NUMBERS.
33 -- B) FIXED / INTEGER WITH NUMERATOR MODEL NUMBER AND RESULT NOT.
34 -- C) FIXED / INTEGER FOR NON-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.
40 -- APPLICABILITY CRITERIA:
41 -- THIS TEST IS APPLICABLE FOR IMPLEMENTATIONS WHICH HAVE A
42 -- 'MAX_MANTISSA OF 47 OR GREATER.
44 -- IF 'MAX_MANTISSA >= 47 IS NOT SUPPORTED THEN THE DECLARATION OF
45 -- 'TYPE FX_OP5' MUST BE REJECTED.
48 -- NTW 09/08/86 CREATED ORIGINAL TEST.
49 -- RJW 11/05/86 REVISED COMMENTS.
50 -- DHH 01/13/88 ADDED APPLICABILITY CRITERIA AND STANDARD HEADER.
51 -- BCB 04/27/90 REVISED APPLICABILITY CRITERIA.
59 MIN_WORD_LENGTH : CONSTANT := 48;
60 FULL_SCALE : CONSTANT := 2 ** (MIN_WORD_LENGTH - 1);
61 FORTH : CONSTANT := FULL_SCALE / 4;
62 DEL1 : CONSTANT := 0.5 / FULL_SCALE;
63 DEL2 : CONSTANT := 2.0 * DEL1;
64 DEL4 : CONSTANT := 4.0 * DEL1;
65 TYPE FX_0P5 IS DELTA DEL1 * 1 RANGE -0.5 .. 0.5 - DEL1 * 1;
67 TYPE FX_1 IS DELTA DEL1 * 2 RANGE -1.0 .. 1.0 - DEL1 * 2;
68 TYPE FX_2 IS DELTA DEL1 * 4 RANGE -2.0 .. 2.0 - DEL1 * 4;
70 BEGIN TEST ("C45531N", "MIXED FIXED POINT AND INTEGER ""/"" "
71 & "FOR RANGE <, =, > 1.0");
73 --------------------------------------------------
75 -- CASE A) FIXED / INTEGER WHEN ALL VALUES ARE MODEL NUMBERS.
80 RESULT_VALUE : FX_0P5 := 0.0;
81 LOWEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (3 * DEL1);
82 HIGHEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (3 * DEL1);
85 A := FX_0P5 (15 * DEL1); -- A MODEL NUMBER
89 RESULT_VALUE := A / B;
91 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
92 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
93 FAILED ("RESULT OF ""/"" OUTSIDE RESULT MODEL INTERVAL "
94 & "FOR FIXED / INTEGER "
95 & "WHEN ALL VALUES ARE MODEL NUMBERS");
99 --------------------------------------------------
101 -- CASE B) FIXED / INTEGER WITH NUMERATOR MODEL NUMBER, RESULT NOT
106 RESULT_VALUE : FX_1 := 0.0;
107 LOWEST_ACCEPTABLE_VALUE : FX_1
108 := FX_1 (DEL2 * FORTH );
109 HIGHEST_ACCEPTABLE_VALUE : FX_1
110 := FX_1 (DEL2 * (FORTH + 1) );
112 IF EQUAL (3, 3) THEN -- A IS A MODEL NUMBER
113 A := FX_1 (DEL2 * (3 * FORTH + 1) );
117 RESULT_VALUE := A / B;
119 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
120 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
121 FAILED ("RESULT OF ""/"" OUTSIDE RESULT MODEL INTERVAL "
122 & "FOR FIXED / INTEGER WITH NUMERATOR MODEL "
123 & "NUMBER, RESULT NOT");
128 --------------------------------------------------
130 -- CASE C) FIXED / INTEGER FOR NON-MODEL NUMBERS
135 RESULT_VALUE : FX_2 := 0.0;
136 LOWEST_ACCEPTABLE_VALUE : FX_2
137 := FX_2 (DEL4 * FORTH );
138 HIGHEST_ACCEPTABLE_VALUE : FX_2
139 := FX_2 (DEL4 * (FORTH + 1) );
141 IF EQUAL (3, 3) THEN -- A NOT MODEL NUMBER
142 A := FX_2 (3 * (DEL4 * FORTH + DEL1) );
146 RESULT_VALUE := A / B;
148 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
149 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
150 FAILED ("RESULT OF ""/"" OUTSIDE RESULT MODEL INTERVAL "
151 & "FOR FIXED / INTEGER FOR NON-MODEL NUMBERS");
155 --------------------------------------------------