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111
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1 -- C45651A.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 -- OBJECTIVE:
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26 -- FOR FIXED POINT TYPES, CHECK:
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27 -- (A) FOR MODEL NUMBERS A >= 0.0, THAT ABS A = A.
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28 -- (B) FOR MODEL NUMBERS A <= 0.0. THAT ABS A = -A.
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29 -- (C) FOR NON-MODEL NUMBERS A > 0.0, THAT ABS A VALUES ARE
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30 -- WITHIN THE APPROPRIATE MODEL INTERVAL.
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31 -- (D) FOR NON-MODEL NUMBERS A < 0.0, THAT ABS A VALUES ARE
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32 -- WITHIN THE APPROPRIATE MODEL INTERVAL.
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33
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34 -- CASE A: BASIC TYPES THAT FIT THE CHARACTERISTICS OF
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35 -- DURATION'BASE.
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36
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37 -- HISTORY:
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38 -- WRG 9/11/86
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39 -- PWB 3/31/88 CHANGED RANGE FOR MEMBERSHIP TEST INVOLVING
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40 -- ABS (DECIMAL_M4'FIRST + DECIMAL_M4'SMALL / 2).
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41 -- RJW 8/21/89 REMOVED CHECKS INVOLVING HARD-CODED FIXED-POINT
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42 -- UPPER BOUNDS WHICH WERE INCORRECT FOR SOME
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43 -- IMPLEMENTATIONS. REVISED HEADER.
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44 -- PWN 02/02/95 REMOVED INCONSISTENCIES WITH ADA 9X.
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45 -- KAS 11/14/95 REMOVED CASES THAT DEPEND ON SPECIFIC VALUE FOR 'SMALL
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46 -- TMB 11/19/94 REMOVED CASES RELATING TO 3.5.9(8) RULES - SMALL
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47 -- MAY BE LESS THAN OR EQUAL TO DELTA FOR FIXED POINT.
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48
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49 WITH REPORT; USE REPORT;
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50 PROCEDURE C45651A IS
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51
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52 -- THE NAME OF EACH TYPE OR SUBTYPE ENDS WITH THAT TYPE'S
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53 -- 'MANTISSA VALUE.
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54
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55 BEGIN
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56
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57 TEST ("C45651A", "CHECK THAT, FOR FIXED POINT TYPES, THE ABS " &
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58 "OPERATOR PRODUCES CORRECT RESULTS - BASIC " &
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59 "TYPES");
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60
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61 -------------------------------------------------------------------
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62
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63 A: DECLARE
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64 TYPE LIKE_DURATION_M23 IS DELTA 0.020
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65 RANGE -86_400.0 .. 86_400.0;
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66
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67 NON_MODEL_CONST : CONSTANT := 2.0 / 3;
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68 NON_MODEL_VAR : LIKE_DURATION_M23 := 0.0;
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69
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70 SMALL, MAX, MIN, ZERO : LIKE_DURATION_M23 := 0.5;
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71 X : LIKE_DURATION_M23 := 1.0;
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72 BEGIN
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73 -- INITIALIZE "CONSTANTS":
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74 IF EQUAL (3, 3) THEN
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75 SMALL := LIKE_DURATION_M23'SMALL;
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76 MAX := LIKE_DURATION_M23'LAST;
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77 MIN := LIKE_DURATION_M23'FIRST;
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78 ZERO := 0.0;
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79 NON_MODEL_VAR := NON_MODEL_CONST;
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80 END IF;
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81
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82 -- (A)
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83 IF EQUAL (3, 3) THEN
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84 X := SMALL;
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85 END IF;
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86 IF ABS X /= SMALL OR X /= ABS LIKE_DURATION_M23'SMALL THEN
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87 FAILED ("ABS (1.0 / 64) /= (1.0 / 64)");
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88 END IF;
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89 IF EQUAL (3, 3) THEN
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90 X := MAX;
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91 END IF;
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92 IF ABS X /= MAX OR X /= ABS LIKE_DURATION_M23'LAST THEN
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93 FAILED ("ABS 86_400.0 /= 86_400.0");
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94 END IF;
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95
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96 -- (B)
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97 IF EQUAL (3, 3) THEN
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98 X := -SMALL;
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99 END IF;
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100 IF ABS X /= SMALL OR
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101 ABS (-LIKE_DURATION_M23'SMALL) /= SMALL THEN
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102 FAILED ("ABS -(1.0 / 64) /= (1.0 / 64)");
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103 END IF;
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104 IF EQUAL (3, 3) THEN
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105 X := MIN;
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106 END IF;
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107 IF ABS X /= MAX OR ABS LIKE_DURATION_M23'FIRST /= MAX THEN
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108 FAILED ("ABS -86_400.0 /= 86_400.0");
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109 END IF;
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110
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111 -- (A) AND (B)
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112 IF EQUAL (3, 3) THEN
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113 X := 0.0;
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114 END IF;
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115 IF "ABS" (RIGHT => X) /= ZERO OR X /= ABS 0.0 THEN
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116 FAILED ("ABS 0.0 /= 0.0 -- (LIKE_DURATION_M23)");
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117 END IF;
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118
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119 -- CHECK THAT VALUE OF NON_MODEL_VAR IS IN THE RANGE
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120 -- 42 * 'SMALL .. 43 * 'SMALL:
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121 IF NON_MODEL_VAR NOT IN 0.65625 .. 0.671875 THEN
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122 FAILED ("VALUE OF NON_MODEL_VAR NOT IN CORRECT RANGE " &
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123 "- A");
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124 END IF;
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125
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126 -- (C)
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127 IF ABS NON_MODEL_VAR NOT IN 0.65625 .. 0.671875 OR
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128 ABS LIKE_DURATION_M23'(NON_MODEL_CONST) NOT IN
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129 0.65625 .. 0.671875 THEN
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130 FAILED ("ABS (2.0 / 3) NOT IN CORRECT RANGE - A");
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131 END IF;
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132 IF EQUAL (3, 3) THEN
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133 X := 86_399.992_187_5; -- LIKE_DURATION_M23'LAST -
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134 -- 1.0 / 128.
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135 END IF;
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136 IF ABS X NOT IN 86_399.984_375 .. 86_400.0 OR
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137 ABS (LIKE_DURATION_M23'LAST - LIKE_DURATION_M23'SMALL / 2)
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138 NOT IN 86_399.984_375 .. 86_400.0 THEN
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139 FAILED ("ABS (LIKE_DURATION_M23'LAST - " &
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140 "LIKE_DURATION_M23'SMALL / 2) NOT IN CORRECT " &
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141 "RANGE");
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142 END IF;
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143
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144 -- (D)
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145 IF EQUAL (3, 3) THEN
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146 X := -NON_MODEL_CONST;
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147 END IF;
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148 IF ABS X NOT IN 0.65625 .. 0.671875 OR
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149 ABS (-LIKE_DURATION_M23'(NON_MODEL_CONST)) NOT IN
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150 0.65625 .. 0.671875 THEN
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151 FAILED ("ABS (-2.0 / 3) NOT IN CORRECT RANGE - A");
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152 END IF;
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153 IF EQUAL (3, 3) THEN
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154 X := -86_399.992_187_5; -- LIKE_DURATION_M23'FIRST +
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155 -- 1.0 / 128.
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156 END IF;
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157 IF ABS X NOT IN 86_399.984_375 .. 86_400.0 OR
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158 ABS (LIKE_DURATION_M23'FIRST + LIKE_DURATION_M23'SMALL / 2)
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159 NOT IN 86_399.984_375 .. 86_400.0 THEN
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160 FAILED ("ABS (LIKE_DURATION_M23'FIRST +" &
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161 "LIKE_DURATION_M23'SMALL / 2) NOT IN CORRECT " &
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162 "RANGE");
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163 END IF;
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164 END A;
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165
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166 -------------------------------------------------------------------
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167
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168 B: DECLARE
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169 TYPE DECIMAL_M4 IS DELTA 100.0 RANGE -1000.0 .. 1000.0;
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170
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171 NON_MODEL_CONST : CONSTANT := 2.0 / 3;
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172 NON_MODEL_VAR : DECIMAL_M4 := 0.0;
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173
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174 SMALL, MAX, MIN, ZERO : DECIMAL_M4 := 128.0;
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175 X : DECIMAL_M4 := 0.0;
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176 BEGIN
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177 -- INITIALIZE "CONSTANTS":
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178 IF EQUAL (3, 3) THEN
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179 SMALL := DECIMAL_M4'SMALL;
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180 ZERO := 0.0;
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181 NON_MODEL_VAR := NON_MODEL_CONST;
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182 END IF;
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183
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184 -- (A)
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185 IF EQUAL (3, 3) THEN
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186 X := SMALL;
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187 END IF;
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188 IF ABS X /= SMALL OR X /= ABS DECIMAL_M4'SMALL THEN
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189 FAILED ("ABS 64.0 /= 64.0");
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190 END IF;
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191
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192 -- (B)
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193 IF EQUAL (3, 3) THEN
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194 X := -SMALL;
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195 END IF;
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196 IF ABS X /= SMALL OR ABS (-DECIMAL_M4'SMALL) /= SMALL THEN
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197 FAILED ("ABS -64.0 /= 64.0");
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198 END IF;
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199
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200 -- (A) AND (B)
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201 IF EQUAL (3, 3) THEN
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202 X := 0.0;
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203 END IF;
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204 IF ABS X /= ZERO OR X /= ABS 0.0 THEN
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205 FAILED ("ABS 0.0 /= 0.0 -- (DECIMAL_M4)");
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206 END IF;
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207
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208 -- CHECK THE VALUE OF NON_MODEL_VAR:
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209 IF NON_MODEL_VAR NOT IN 0.0 .. 64.0 THEN
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210 FAILED ("VALUE OF NON_MODEL_VAR NOT IN CORRECT RANGE " &
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211 "- B");
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212 END IF;
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213
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214 -- (C)
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215 IF ABS NON_MODEL_VAR NOT IN 0.0 .. 64.0 OR
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216 ABS DECIMAL_M4'(NON_MODEL_CONST) NOT IN 0.0 .. 64.0 THEN
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217 FAILED ("ABS (2.0 / 3) NOT IN CORRECT RANGE - B");
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218 END IF;
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219 IF EQUAL (3, 3) THEN
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220 X := 37.0; -- INTERVAL IS 0.0 .. 64.0.
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221 END IF;
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222 IF EQUAL (3, 3) THEN
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223 X := 928.0;
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224 END IF;
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225
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226 -- (D)
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227 IF EQUAL (3, 3) THEN
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228 X := -NON_MODEL_CONST;
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229 END IF;
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230 IF ABS X NOT IN 0.0 .. 64.0 OR
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231 ABS (-DECIMAL_M4'(NON_MODEL_CONST)) NOT IN 0.0 .. 64.0 THEN
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232 FAILED ("ABS -(2.0 / 3) NOT IN CORRECT RANGE - B");
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233 END IF;
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234 IF EQUAL (3, 3) THEN
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235 X := -37.0; -- INTERVAL IS -SMALL .. 0.0.
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236 END IF;
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237 IF EQUAL (3, 3) THEN
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238 X := -928.0;
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239 END IF;
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240 END B;
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241
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242 -------------------------------------------------------------------
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243
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244 RESULT;
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245
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246 END C45651A;
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