1-- C45531G.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 MIXED FIXED POINT AND INTEGER TYPES USING 4 SUBTESTS. 28-- THIS TEST REQUIRES MIN_WORD_LENGTH = 16. 29-- THIS TEST USES VALUES OF DELTA WHICH ARE GREATER THAN OR 30-- EQUAL TO 0.5. 31-- 32-- TEST CASES ARE: 33-- A) INTEGER * FIXED WHEN ALL VALUES ARE MODEL NUMBERS. 34-- B) FIXED * INTEGER WHEN ALL VALUES ARE MODEL NUMBERS. 35-- C) INTEGER * FIXED FOR NON-MODEL NUMBERS. 36-- D) FIXED * INTEGER FOR NON-MODEL NUMBERS. 37-- 38-- REPEAT FOR MINIMUM REQUIRED WORD LENGTHS OF 12, 16, 32 AND 48, 39-- WITH RANGE <, =, AND > THAN 1.0 AND 40-- WITH DELTA <, =, AND > THAN 1.0. 41 42-- HISTORY: 43-- NTW 09/08/86 CREATED ORIGINAL TEST. 44-- RJW 11/05/86 REVISED COMMENTS. 45-- DHH 01/13/88 ADDED APPLICABILITY CRITERIA AND STANDARD HEADER. 46-- BCB 04/27/90 REVISED APPLICABILITY CRITERIA. 47-- BCB 10/03/90 REMOVED APPLICABILITY CRITERIA AND N/A => ERROR 48-- LINE. CHANGED EXTENSION FROM '.DEP' TO '.ADA'. 49 50WITH REPORT; 51PROCEDURE C45531G IS 52 53 USE REPORT; 54 55 MIN_WORD_LENGTH : CONSTANT := 16; 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 64BEGIN TEST ("C45531G", "MIXED FIXED POINT AND INTEGER ""*"" " 65 & "FOR DELTA <, =, > 1.0"); 66 67 -------------------------------------------------- 68 69 -- CASE A) INTEGER * FIXED WHEN ALL VALUES ARE MODEL NUMBERS. 70 71A: DECLARE 72 A : INTEGER := 0; 73 B : FX_0P5 := 0.0; 74 RESULT_VALUE : FX_0P5 := 0.0; 75 LOWEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (7.5); 76 HIGHEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (7.5); 77 BEGIN 78 IF EQUAL (3, 3) THEN 79 A := 3; 80 B := FX_0P5 (2.5); -- A MODEL NUMBER 81 END IF; 82 83 RESULT_VALUE := A * B; 84 85 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) 86 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN 87 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL " 88 & "FOR INTEGER * FIXED " 89 & "WHEN ALL VALUES ARE MODEL NUMBERS"); 90 END IF; 91 END A; 92 93 -------------------------------------------------- 94 95 -- CASE B) FIXED * INTEGER WHEN ALL VALUES ARE MODEL NUMBERS. 96 97B: DECLARE 98 A : FX_1 := 0.0; 99 B : INTEGER := 0; 100 RESULT_VALUE : FX_1 := 0.0; 101 LOWEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (3 * FORTH); 102 HIGHEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (3 * FORTH); 103 BEGIN 104 IF EQUAL (3, 3) THEN 105 A := FX_1 (FULL_SCALE / 8); -- A MODEL NUMBER 106 B := 6; 107 END IF; 108 109 RESULT_VALUE := A * B; 110 111 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) 112 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN 113 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL " 114 & "FOR FIXED * INTEGER " 115 & "WHEN ALL VALUES ARE MODEL NUMBERS"); 116 END IF; 117 END B; 118 119 -------------------------------------------------- 120 121 -- CASE C) INTEGER * FIXED FOR NON-MODEL NUMBERS. 122 123C: DECLARE 124 A : INTEGER := 0; 125 B : FX_RNG1 := 0.0; 126 RESULT_VALUE : FX_RNG1 := 0.0; 127 LOW_COUNT : CONSTANT := (3 * (FORTH + 0) ); 128 HIGH_COUNT : CONSTANT := (3 * (FORTH + 1) ); 129 LOWEST_ACCEPTABLE_VALUE : FX_RNG1 130 := FX_RNG1 (RNG1 * LOW_COUNT ); 131 HIGHEST_ACCEPTABLE_VALUE : FX_RNG1 132 := FX_RNG1 (RNG1 * HIGH_COUNT); 133 BEGIN 134 IF EQUAL (3, 3) THEN -- B NOT A MODEL NUMBER 135 A := 3; 136 B := FX_RNG1 (RNG1 * FORTH + 0.5); 137 END IF; 138 139 RESULT_VALUE := A * B; 140 141 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) 142 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN 143 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL " 144 & "FOR INTEGER * FIXED FOR NON-MODEL NUMBERS"); 145 146 END IF; 147 END C; 148 149 -------------------------------------------------- 150 151 -- CASE D) FIXED * INTEGER FOR NON-MODEL NUMBERS. 152 153D: DECLARE 154 A : FX_RNG1 := 0.0; 155 B : INTEGER := 0; 156 RESULT_VALUE : FX_RNG1 := 0.0; 157 LOW_COUNT : CONSTANT := (3 * (FORTH + 0) ); 158 HIGH_COUNT : CONSTANT := (3 * (FORTH + 1) ); 159 LOWEST_ACCEPTABLE_VALUE : FX_RNG1 160 := FX_RNG1 (RNG1 * LOW_COUNT ); 161 HIGHEST_ACCEPTABLE_VALUE : FX_RNG1 162 := FX_RNG1 (RNG1 * HIGH_COUNT); 163 BEGIN 164 IF EQUAL (3, 3) THEN -- A NOT A MODEL NUMBER 165 A := FX_RNG1 (RNG1 * FORTH + 0.5); 166 B := 3; 167 END IF; 168 169 RESULT_VALUE := A * B; 170 171 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) 172 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN 173 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL " 174 & "FOR FIXED * INTEGER FOR NON-MODEL NUMBERS"); 175 END IF; 176 END D; 177 178 -------------------------------------------------- 179 180 181 RESULT; 182 183END C45531G; 184