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1 -- C87B14C.ADA
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2
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3 -- Grant of Unlimited Rights
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4 --
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5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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7 -- unlimited rights in the software and documentation contained herein.
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8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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9 -- this public release, the Government intends to confer upon all
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10 -- recipients unlimited rights equal to those held by the Government.
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11 -- These rights include rights to use, duplicate, release or disclose the
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12 -- released technical data and computer software in whole or in part, in
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13 -- any manner and for any purpose whatsoever, and to have or permit others
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14 -- to do so.
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15 --
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16 -- DISCLAIMER
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17 --
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18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
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24 --*
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25 -- CHECK THAT OVERLOADING RESOLUTION USES THE RULE THAT:
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26 --
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27 -- IN SUBTYPE INDICATIONS WITH INDEX CONSTRAINTS, THE LOWER AND UPPER
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28 -- BOUNDS MUST BE OF THE INDEX BASE TYPE.
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29 --
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30 -- TEST (C): INDEX CONSTRAINTS WITH OVERLOADED INFIX OPERATORS.
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31
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32 -- TRH 30 JUNE 82
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33
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34 WITH REPORT; USE REPORT;
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35
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36 PROCEDURE C87B14C IS
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37
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38 TYPE DAY IS (MON, TUE, WED, THU, FRI, SAT, SUN);
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39 TYPE LIST IS ARRAY (DAY RANGE <>) OF BOOLEAN;
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40 TYPE GRID IS ARRAY (DAY RANGE <>, DAY RANGE <>) OF BOOLEAN;
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41 SUBTYPE WEEKEND IS DAY RANGE SAT .. SUN;
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42 SUBTYPE WEEKDAY IS DAY RANGE MON .. FRI;
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43
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44 FUNCTION "*" (X, Y : INTEGER) RETURN WEEKDAY IS
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45 BEGIN
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46 RETURN MON;
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47 END "*";
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48
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49 FUNCTION "*" (X, Y : INTEGER) RETURN BOOLEAN IS
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50 BEGIN
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51 FAILED ("RESOLUTION INCORRECT - INDEX CONSTRAINTS " &
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52 " IN SUBTYPE INDICATIONS");
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53 RETURN TRUE;
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54 END "*";
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55
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56 FUNCTION "+" (X, Y : INTEGER) RETURN WEEKEND IS
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57 BEGIN
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58 RETURN SAT;
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59 END "+";
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60
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61 FUNCTION "+" (X, Y : INTEGER) RETURN FLOAT IS
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62 BEGIN
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63 FAILED ("RESOLUTION INCORRECT - INDEX CONSTRAINTS " &
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64 " IN SUBTYPE INDICATIONS");
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65 RETURN 2.0;
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66 END "+";
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67
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68 BEGIN
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69 TEST ("C87B14C","OVERLOADED EXPRESSIONS IN INDEX CONSTRAINTS " &
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70 "OF SUBTYPE INDICATIONS");
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71
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72 DECLARE
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73 SUBTYPE LIST1 IS LIST (WED .. (0 + 0));
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74 SUBTYPE LIST2 IS LIST ( 0 * 0 .. TUE);
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75 SUBTYPE LIST3 IS LIST ((0 + 0) .. (0 + 0));
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76 SUBTYPE LIST4 IS LIST ((0 * 0) .. (0 + 0));
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77
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78 SUBTYPE GRID1 IS GRID (MON .. (0 * 0), (0 * 0) .. TUE);
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79 SUBTYPE GRID2 IS GRID ((0 * 0) .. WED, FRI .. (0 + 0));
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80 SUBTYPE GRID3 IS GRID
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81 ((0 * 0) .. (0 * 0), (0 + 0) .. (0 + 0));
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82 SUBTYPE GRID4 IS GRID ((0 * 0) .. (0 + 0), TUE .. THU);
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83
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84 BEGIN
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85 NULL;
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86 END;
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87
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88 RESULT;
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89 END C87B14C;
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