| -- C35A05D.ADA |
| |
| -- Grant of Unlimited Rights |
| -- |
| -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, |
| -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained |
| -- unlimited rights in the software and documentation contained herein. |
| -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making |
| -- this public release, the Government intends to confer upon all |
| -- recipients unlimited rights equal to those held by the Government. |
| -- These rights include rights to use, duplicate, release or disclose the |
| -- released technical data and computer software in whole or in part, in |
| -- any manner and for any purpose whatsoever, and to have or permit others |
| -- to do so. |
| -- |
| -- DISCLAIMER |
| -- |
| -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR |
| -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED |
| -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE |
| -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE |
| -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A |
| -- PARTICULAR PURPOSE OF SAID MATERIAL. |
| --* |
| -- CHECK THAT FOR FIXED POINT TYPES THE FORE AND AFT ATTRIBUTES YIELD |
| -- THE CORRECT VALUES. |
| |
| -- CASE D: TYPES TYPICAL OF APPLICATIONS USING FIXED POINT ARITHMETIC. |
| |
| -- WRG 8/14/86 |
| |
| WITH REPORT; USE REPORT; |
| PROCEDURE C35A05D IS |
| |
| PI : CONSTANT := 3.14159_26535_89793_23846; |
| TWO_PI : CONSTANT := 2 * PI; |
| HALF_PI : CONSTANT := PI / 2; |
| |
| MM : CONSTANT := 23; |
| |
| -- THE NAME OF EACH TYPE OR SUBTYPE ENDS WITH THAT TYPE'S |
| -- 'MANTISSA VALUE. |
| |
| TYPE MICRO_ANGLE_ERROR_M15 IS |
| DELTA 16.0 RANGE -(2.0 ** 19) .. 2.0 ** 19; |
| TYPE TRACK_RANGE_M15 IS |
| DELTA 0.125 RANGE -(2.0 ** 12) .. 2.0 ** 12; |
| TYPE SECONDS_MM IS |
| DELTA 2.0 ** (8 - MM) RANGE -(2.0 ** 8) .. 2.0 ** 8; |
| TYPE RANGE_CELL_MM IS |
| DELTA 2.0 ** (-5) |
| RANGE -(2.0 ** (MM - 5) ) .. 2.0 ** (MM - 5); |
| |
| TYPE PIXEL_M10 IS DELTA 1.0 / 1024.0 RANGE 0.0 .. 1.0; |
| TYPE RULER_M8 IS DELTA 1.0 / 16.0 RANGE 0.0 .. 12.0; |
| |
| TYPE HOURS_M16 IS DELTA 24.0 * 2.0 ** (-15) RANGE 0.0 .. 24.0; |
| TYPE MILES_M16 IS DELTA 3000.0 * 2.0 ** (-15) RANGE 0.0 .. 3000.0; |
| |
| TYPE SYMMETRIC_DEGREES_M7 IS |
| DELTA 2.0 RANGE -180.0 .. 180.0; |
| TYPE NATURAL_DEGREES_M15 IS |
| DELTA 2.0 ** (-6) RANGE 0.0 .. 360.0; |
| TYPE SYMMETRIC_RADIANS_M16 IS |
| DELTA PI * 2.0 ** (-15) RANGE -PI .. PI; |
| TYPE NATURAL_RADIANS_M8 IS |
| DELTA TWO_PI * 2.0 ** ( -7) RANGE 0.0 .. TWO_PI; |
| |
| ------------------------------------------------------------------- |
| |
| SUBTYPE ST_MILES_M8 IS MILES_M16 |
| DELTA 3000.0 * 2.0 ** (-15) RANGE 0.0 .. 10.0; |
| SUBTYPE ST_NATURAL_DEGREES_M11 IS NATURAL_DEGREES_M15 |
| DELTA 0.25 RANGE 0.0 .. 360.0; |
| SUBTYPE ST_SYMMETRIC_RADIANS_M8 IS SYMMETRIC_RADIANS_M16 |
| DELTA HALF_PI * 2.0 ** (-7) RANGE -HALF_PI .. HALF_PI; |
| |
| ------------------------------------------------------------------- |
| |
| PROCEDURE CHECK_FORE_AND_AFT |
| (NAME : STRING; |
| ACTUAL_FORE : INTEGER; CORRECT_FORE : POSITIVE; |
| ACTUAL_AFT : INTEGER; CORRECT_AFT : POSITIVE) IS |
| BEGIN |
| IF ACTUAL_FORE /= IDENT_INT (CORRECT_FORE) THEN |
| FAILED (NAME & "'FORE =" & INTEGER'IMAGE(ACTUAL_FORE) ); |
| END IF; |
| IF ACTUAL_AFT /= IDENT_INT (CORRECT_AFT) THEN |
| FAILED (NAME & "'AFT =" & INTEGER'IMAGE(ACTUAL_AFT) ); |
| END IF; |
| END CHECK_FORE_AND_AFT; |
| |
| BEGIN |
| |
| TEST ("C35A05D", "CHECK THAT FOR FIXED POINT TYPES THE FORE AND " & |
| "AFT ATTRIBUTES YIELD THE CORRECT VALUES - " & |
| "TYPICAL TYPES"); |
| |
| CHECK_FORE_AND_AFT ("MICRO_ANGLE_ERROR_M15", |
| MICRO_ANGLE_ERROR_M15'FORE, 7, |
| MICRO_ANGLE_ERROR_M15'AFT, 1); |
| |
| CHECK_FORE_AND_AFT ("TRACK_RANGE_M15", TRACK_RANGE_M15'FORE, 5, |
| TRACK_RANGE_M15'AFT, 1); |
| |
| CHECK_FORE_AND_AFT ("SECONDS_MM", SECONDS_MM'FORE, 4, |
| SECONDS_MM'AFT, 5); |
| |
| CHECK_FORE_AND_AFT ("RANGE_CELL_MM", RANGE_CELL_MM'FORE, 7, |
| RANGE_CELL_MM'AFT, 2); |
| |
| CHECK_FORE_AND_AFT ("PIXEL_M10", PIXEL_M10'FORE, 2, |
| PIXEL_M10'AFT, 4); |
| |
| CHECK_FORE_AND_AFT ("RULER_M8", RULER_M8'FORE, 3, |
| RULER_M8'AFT, 2); |
| |
| CHECK_FORE_AND_AFT ("HOURS_M16", HOURS_M16'FORE, 3, |
| HOURS_M16'AFT, 4); |
| |
| CHECK_FORE_AND_AFT ("MILES_M16", MILES_M16'FORE, 5, |
| MILES_M16'AFT, 2); |
| |
| CHECK_FORE_AND_AFT ("SYMMETRIC_DEGREES_M7", |
| SYMMETRIC_DEGREES_M7'FORE, 4, |
| SYMMETRIC_DEGREES_M7'AFT, 1); |
| |
| CHECK_FORE_AND_AFT ("NATURAL_DEGREES_M15", |
| NATURAL_DEGREES_M15'FORE, 4, |
| NATURAL_DEGREES_M15'AFT, 2); |
| |
| CHECK_FORE_AND_AFT ("SYMMETRIC_RADIANS_M16", |
| SYMMETRIC_RADIANS_M16'FORE, 2, |
| SYMMETRIC_RADIANS_M16'AFT, 5); |
| |
| CHECK_FORE_AND_AFT ("NATURAL_RADIANS_M8", |
| NATURAL_RADIANS_M8'FORE, 2, |
| NATURAL_RADIANS_M8'AFT, 2); |
| |
| CHECK_FORE_AND_AFT ("ST_MILES_M8", ST_MILES_M8'FORE, 3, |
| ST_MILES_M8'AFT, 2); |
| |
| CHECK_FORE_AND_AFT ("ST_NATURAL_DEGREES_M11", |
| ST_NATURAL_DEGREES_M11'FORE, 4, |
| ST_NATURAL_DEGREES_M11'AFT, 1); |
| |
| CHECK_FORE_AND_AFT ("ST_SYMMETRIC_RADIANS_M8", |
| ST_SYMMETRIC_RADIANS_M8'FORE, 2, |
| ST_SYMMETRIC_RADIANS_M8'AFT, 2); |
| |
| RESULT; |
| |
| END C35A05D; |
