| -- C35A05Q.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 Q: TYPES TYPICAL OF APPLICATIONS USING FIXED POINT ARITHMETIC, |
| -- FOR GENERICS. |
| |
| -- WRG 8/20/86 |
| |
| WITH REPORT; USE REPORT; |
| WITH SYSTEM; USE SYSTEM; |
| PROCEDURE C35A05Q 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; |
| |
| ------------------------------------------------------------------- |
| |
| TYPE FORE_AND_AFT IS |
| RECORD |
| FORE, AFT : INTEGER; |
| END RECORD; |
| |
| GENERIC |
| TYPE T IS DELTA <>; |
| FUNCTION ATTRIBUTES RETURN FORE_AND_AFT; |
| |
| FUNCTION ATTRIBUTES RETURN FORE_AND_AFT IS |
| BEGIN |
| RETURN ( IDENT_INT (T'FORE), IDENT_INT (T'AFT) ); |
| END ATTRIBUTES; |
| |
| ------------------------------------------------------------------- |
| |
| PROCEDURE CHECK_ATTRIBUTES |
| (NAME : STRING; |
| ACTUAL_ATTRIBUTES, CORRECT_ATTRIBUTES : FORE_AND_AFT) IS |
| BEGIN |
| IF ACTUAL_ATTRIBUTES.FORE /= CORRECT_ATTRIBUTES.FORE THEN |
| FAILED ("GENERIC 'FORE FOR " & NAME & " =" & |
| INTEGER'IMAGE(ACTUAL_ATTRIBUTES.FORE) ); |
| END IF; |
| IF ACTUAL_ATTRIBUTES.AFT /= CORRECT_ATTRIBUTES.AFT THEN |
| FAILED ("GENERIC 'AFT FOR " & NAME & " =" & |
| INTEGER'IMAGE(ACTUAL_ATTRIBUTES.AFT ) ); |
| END IF; |
| END CHECK_ATTRIBUTES; |
| |
| ------------------------------------------------------------------- |
| |
| FUNCTION FA_MICRO_ANGLE_ERROR_M15 |
| IS NEW ATTRIBUTES(MICRO_ANGLE_ERROR_M15 ); |
| FUNCTION FA_TRACK_RANGE_M15 |
| IS NEW ATTRIBUTES(TRACK_RANGE_M15 ); |
| FUNCTION FA_SECONDS_MM IS NEW ATTRIBUTES(SECONDS_MM ); |
| FUNCTION FA_RANGE_CELL_MM |
| IS NEW ATTRIBUTES(RANGE_CELL_MM ); |
| FUNCTION FA_PIXEL_M10 IS NEW ATTRIBUTES(PIXEL_M10 ); |
| FUNCTION FA_RULER_M8 IS NEW ATTRIBUTES(RULER_M8 ); |
| FUNCTION FA_HOURS_M16 IS NEW ATTRIBUTES(HOURS_M16 ); |
| FUNCTION FA_MILES_M16 IS NEW ATTRIBUTES(MILES_M16 ); |
| FUNCTION FA_SYMMETRIC_DEGREES_M7 |
| IS NEW ATTRIBUTES(SYMMETRIC_DEGREES_M7 ); |
| FUNCTION FA_NATURAL_DEGREES_M15 |
| IS NEW ATTRIBUTES(NATURAL_DEGREES_M15 ); |
| FUNCTION FA_SYMMETRIC_RADIANS_M16 |
| IS NEW ATTRIBUTES(SYMMETRIC_RADIANS_M16 ); |
| FUNCTION FA_NATURAL_RADIANS_M8 |
| IS NEW ATTRIBUTES(NATURAL_RADIANS_M8 ); |
| FUNCTION FA_ST_MILES_M8 IS NEW ATTRIBUTES(ST_MILES_M8 ); |
| FUNCTION FA_ST_NATURAL_DEGREES_M11 |
| IS NEW ATTRIBUTES(ST_NATURAL_DEGREES_M11 ); |
| FUNCTION FA_ST_SYMMETRIC_RADIANS_M8 |
| IS NEW ATTRIBUTES(ST_SYMMETRIC_RADIANS_M8); |
| |
| BEGIN |
| |
| TEST ("C35A05Q", "CHECK THAT FOR FIXED POINT TYPES THE FORE AND " & |
| "AFT ATTRIBUTES YIELD THE CORRECT VALUES - " & |
| "TYPICAL TYPES, GENERICS"); |
| |
| CHECK_ATTRIBUTES ("MICRO_ANGLE_ERROR_M15", |
| FA_MICRO_ANGLE_ERROR_M15, (7, 1) ); |
| |
| CHECK_ATTRIBUTES ("TRACK_RANGE_M15", FA_TRACK_RANGE_M15, (5, 1) ); |
| |
| CHECK_ATTRIBUTES ("SECONDS_MM", FA_SECONDS_MM, (4, 5) ); |
| |
| CHECK_ATTRIBUTES ("RANGE_CELL_MM", FA_RANGE_CELL_MM, (7, 2) ); |
| |
| CHECK_ATTRIBUTES ("PIXEL_M10", FA_PIXEL_M10, (2, 4) ); |
| |
| CHECK_ATTRIBUTES ("RULER_M8", FA_RULER_M8, (3, 2) ); |
| |
| CHECK_ATTRIBUTES ("HOURS_M16", FA_HOURS_M16, (3, 4) ); |
| |
| CHECK_ATTRIBUTES ("MILES_M16", FA_MILES_M16, (5, 2) ); |
| |
| CHECK_ATTRIBUTES ("SYMMETRIC_DEGREES_M7", |
| FA_SYMMETRIC_DEGREES_M7, (4, 1) ); |
| |
| CHECK_ATTRIBUTES ("NATURAL_DEGREES_M15", |
| FA_NATURAL_DEGREES_M15, (4, 2) ); |
| |
| CHECK_ATTRIBUTES ("SYMMETRIC_RADIANS_M16", |
| FA_SYMMETRIC_RADIANS_M16, (2, 5) ); |
| |
| CHECK_ATTRIBUTES ("NATURAL_RADIANS_M8", |
| FA_NATURAL_RADIANS_M8, (2, 2) ); |
| |
| CHECK_ATTRIBUTES ("ST_MILES_M8", FA_ST_MILES_M8, (3, 2) ); |
| |
| CHECK_ATTRIBUTES ("ST_NATURAL_DEGREES_M11", |
| FA_ST_NATURAL_DEGREES_M11, (4, 1) ); |
| |
| CHECK_ATTRIBUTES ("ST_SYMMETRIC_RADIANS_M8", |
| FA_ST_SYMMETRIC_RADIANS_M8, (2, 2) ); |
| |
| RESULT; |
| |
| END C35A05Q; |
