1-- C35A05D.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-- CHECK THAT FOR FIXED POINT TYPES THE FORE AND AFT ATTRIBUTES YIELD 26-- THE CORRECT VALUES. 27 28-- CASE D: TYPES TYPICAL OF APPLICATIONS USING FIXED POINT ARITHMETIC. 29 30-- WRG 8/14/86 31 32WITH REPORT; USE REPORT; 33PROCEDURE C35A05D IS 34 35 PI : CONSTANT := 3.14159_26535_89793_23846; 36 TWO_PI : CONSTANT := 2 * PI; 37 HALF_PI : CONSTANT := PI / 2; 38 39 MM : CONSTANT := 23; 40 41 -- THE NAME OF EACH TYPE OR SUBTYPE ENDS WITH THAT TYPE'S 42 -- 'MANTISSA VALUE. 43 44 TYPE MICRO_ANGLE_ERROR_M15 IS 45 DELTA 16.0 RANGE -(2.0 ** 19) .. 2.0 ** 19; 46 TYPE TRACK_RANGE_M15 IS 47 DELTA 0.125 RANGE -(2.0 ** 12) .. 2.0 ** 12; 48 TYPE SECONDS_MM IS 49 DELTA 2.0 ** (8 - MM) RANGE -(2.0 ** 8) .. 2.0 ** 8; 50 TYPE RANGE_CELL_MM IS 51 DELTA 2.0 ** (-5) 52 RANGE -(2.0 ** (MM - 5) ) .. 2.0 ** (MM - 5); 53 54 TYPE PIXEL_M10 IS DELTA 1.0 / 1024.0 RANGE 0.0 .. 1.0; 55 TYPE RULER_M8 IS DELTA 1.0 / 16.0 RANGE 0.0 .. 12.0; 56 57 TYPE HOURS_M16 IS DELTA 24.0 * 2.0 ** (-15) RANGE 0.0 .. 24.0; 58 TYPE MILES_M16 IS DELTA 3000.0 * 2.0 ** (-15) RANGE 0.0 .. 3000.0; 59 60 TYPE SYMMETRIC_DEGREES_M7 IS 61 DELTA 2.0 RANGE -180.0 .. 180.0; 62 TYPE NATURAL_DEGREES_M15 IS 63 DELTA 2.0 ** (-6) RANGE 0.0 .. 360.0; 64 TYPE SYMMETRIC_RADIANS_M16 IS 65 DELTA PI * 2.0 ** (-15) RANGE -PI .. PI; 66 TYPE NATURAL_RADIANS_M8 IS 67 DELTA TWO_PI * 2.0 ** ( -7) RANGE 0.0 .. TWO_PI; 68 69 ------------------------------------------------------------------- 70 71 SUBTYPE ST_MILES_M8 IS MILES_M16 72 DELTA 3000.0 * 2.0 ** (-15) RANGE 0.0 .. 10.0; 73 SUBTYPE ST_NATURAL_DEGREES_M11 IS NATURAL_DEGREES_M15 74 DELTA 0.25 RANGE 0.0 .. 360.0; 75 SUBTYPE ST_SYMMETRIC_RADIANS_M8 IS SYMMETRIC_RADIANS_M16 76 DELTA HALF_PI * 2.0 ** (-7) RANGE -HALF_PI .. HALF_PI; 77 78 ------------------------------------------------------------------- 79 80 PROCEDURE CHECK_FORE_AND_AFT 81 (NAME : STRING; 82 ACTUAL_FORE : INTEGER; CORRECT_FORE : POSITIVE; 83 ACTUAL_AFT : INTEGER; CORRECT_AFT : POSITIVE) IS 84 BEGIN 85 IF ACTUAL_FORE /= IDENT_INT (CORRECT_FORE) THEN 86 FAILED (NAME & "'FORE =" & INTEGER'IMAGE(ACTUAL_FORE) ); 87 END IF; 88 IF ACTUAL_AFT /= IDENT_INT (CORRECT_AFT) THEN 89 FAILED (NAME & "'AFT =" & INTEGER'IMAGE(ACTUAL_AFT) ); 90 END IF; 91 END CHECK_FORE_AND_AFT; 92 93BEGIN 94 95 TEST ("C35A05D", "CHECK THAT FOR FIXED POINT TYPES THE FORE AND " & 96 "AFT ATTRIBUTES YIELD THE CORRECT VALUES - " & 97 "TYPICAL TYPES"); 98 99 CHECK_FORE_AND_AFT ("MICRO_ANGLE_ERROR_M15", 100 MICRO_ANGLE_ERROR_M15'FORE, 7, 101 MICRO_ANGLE_ERROR_M15'AFT, 1); 102 103 CHECK_FORE_AND_AFT ("TRACK_RANGE_M15", TRACK_RANGE_M15'FORE, 5, 104 TRACK_RANGE_M15'AFT, 1); 105 106 CHECK_FORE_AND_AFT ("SECONDS_MM", SECONDS_MM'FORE, 4, 107 SECONDS_MM'AFT, 5); 108 109 CHECK_FORE_AND_AFT ("RANGE_CELL_MM", RANGE_CELL_MM'FORE, 7, 110 RANGE_CELL_MM'AFT, 2); 111 112 CHECK_FORE_AND_AFT ("PIXEL_M10", PIXEL_M10'FORE, 2, 113 PIXEL_M10'AFT, 4); 114 115 CHECK_FORE_AND_AFT ("RULER_M8", RULER_M8'FORE, 3, 116 RULER_M8'AFT, 2); 117 118 CHECK_FORE_AND_AFT ("HOURS_M16", HOURS_M16'FORE, 3, 119 HOURS_M16'AFT, 4); 120 121 CHECK_FORE_AND_AFT ("MILES_M16", MILES_M16'FORE, 5, 122 MILES_M16'AFT, 2); 123 124 CHECK_FORE_AND_AFT ("SYMMETRIC_DEGREES_M7", 125 SYMMETRIC_DEGREES_M7'FORE, 4, 126 SYMMETRIC_DEGREES_M7'AFT, 1); 127 128 CHECK_FORE_AND_AFT ("NATURAL_DEGREES_M15", 129 NATURAL_DEGREES_M15'FORE, 4, 130 NATURAL_DEGREES_M15'AFT, 2); 131 132 CHECK_FORE_AND_AFT ("SYMMETRIC_RADIANS_M16", 133 SYMMETRIC_RADIANS_M16'FORE, 2, 134 SYMMETRIC_RADIANS_M16'AFT, 5); 135 136 CHECK_FORE_AND_AFT ("NATURAL_RADIANS_M8", 137 NATURAL_RADIANS_M8'FORE, 2, 138 NATURAL_RADIANS_M8'AFT, 2); 139 140 CHECK_FORE_AND_AFT ("ST_MILES_M8", ST_MILES_M8'FORE, 3, 141 ST_MILES_M8'AFT, 2); 142 143 CHECK_FORE_AND_AFT ("ST_NATURAL_DEGREES_M11", 144 ST_NATURAL_DEGREES_M11'FORE, 4, 145 ST_NATURAL_DEGREES_M11'AFT, 1); 146 147 CHECK_FORE_AND_AFT ("ST_SYMMETRIC_RADIANS_M8", 148 ST_SYMMETRIC_RADIANS_M8'FORE, 2, 149 ST_SYMMETRIC_RADIANS_M8'AFT, 2); 150 151 RESULT; 152 153END C35A05D; 154