1-- C45531N.DEP 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 3 SUBTESTS. 28-- THIS TEST REQUIRES MIN_WORD_LENGTH = 48. 29-- THIS TEST USES VALUES OF DELTA WHICH ARE LESS THAN 0.5. 30-- 31-- TEST CASES ARE: 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. 35-- 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. 39 40-- APPLICABILITY CRITERIA: 41-- THIS TEST IS APPLICABLE FOR IMPLEMENTATIONS WHICH HAVE A 42-- 'MAX_MANTISSA OF 47 OR GREATER. 43 44-- IF 'MAX_MANTISSA >= 47 IS NOT SUPPORTED THEN THE DECLARATION OF 45-- 'TYPE FX_OP5' MUST BE REJECTED. 46 47-- HISTORY: 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. 52 53 54WITH REPORT; 55PROCEDURE C45531N IS 56 57 USE REPORT; 58 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; 66 -- N/A => ERROR. 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; 69 70BEGIN TEST ("C45531N", "MIXED FIXED POINT AND INTEGER ""/"" " 71 & "FOR RANGE <, =, > 1.0"); 72 73 -------------------------------------------------- 74 75 -- CASE A) FIXED / INTEGER WHEN ALL VALUES ARE MODEL NUMBERS. 76 77A: DECLARE 78 A : FX_0P5 := 0.0; 79 B : INTEGER := 0; 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); 83 BEGIN 84 IF EQUAL (3, 3) THEN 85 A := FX_0P5 (15 * DEL1); -- A MODEL NUMBER 86 B := 5; 87 END IF; 88 89 RESULT_VALUE := A / B; 90 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"); 96 END IF; 97 END A; 98 99 -------------------------------------------------- 100 101 -- CASE B) FIXED / INTEGER WITH NUMERATOR MODEL NUMBER, RESULT NOT 102 103B: DECLARE 104 A : FX_1 := 0.0; 105 B : INTEGER := 0; 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) ); 111 BEGIN 112 IF EQUAL (3, 3) THEN -- A IS A MODEL NUMBER 113 A := FX_1 (DEL2 * (3 * FORTH + 1) ); 114 B := 3; 115 END IF; 116 117 RESULT_VALUE := A / B; 118 119 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"); 124 125 END IF; 126 END B; 127 128 -------------------------------------------------- 129 130 -- CASE C) FIXED / INTEGER FOR NON-MODEL NUMBERS 131 132C: DECLARE 133 A : FX_2 := 0.0; 134 B : INTEGER := 0; 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) ); 140 BEGIN 141 IF EQUAL (3, 3) THEN -- A NOT MODEL NUMBER 142 A := FX_2 (3 * (DEL4 * FORTH + DEL1) ); 143 B := 3; 144 END IF; 145 146 RESULT_VALUE := A / B; 147 148 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"); 152 END IF; 153 END C; 154 155 -------------------------------------------------- 156 157 158 RESULT; 159 160END C45531N; 161