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111
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1 -- C45531C.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 -- CHECK THAT THE OPERATOR "*" PRODUCES CORRECT RESULTS
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27 -- FOR MIXED FIXED POINT AND INTEGER TYPES USING 4 SUBTESTS.
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28 -- THIS TEST REQUIRES MIN_WORD_LENGTH = 12.
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29 -- THIS TEST USES VALUES OF DELTA WHICH ARE GREATER THAN OR
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30 -- EQUAL TO 0.5.
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31 --
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32 -- TEST CASES ARE:
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33 -- A) INTEGER * FIXED WHEN ALL VALUES ARE MODEL NUMBERS.
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34 -- B) FIXED * INTEGER WHEN ALL VALUES ARE MODEL NUMBERS.
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35 -- C) INTEGER * FIXED FOR NON-MODEL NUMBERS.
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36 -- D) FIXED * INTEGER FOR NON-MODEL NUMBERS.
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37 --
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38 -- REPEAT FOR MINIMUM REQUIRED WORD LENGTHS OF 12, 16, 32 AND 48,
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39 -- WITH RANGE <, =, AND > THAN 1.0 AND
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40 -- WITH DELTA <, =, AND > THAN 1.0.
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41
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42 -- HISTORY:
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43 -- NTW 09/08/86 CREATED ORIGINAL TEST.
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44 -- RJW 11/05/86 REVISED COMMENTS.
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45 -- DHH 01/13/88 ADDED APPLICABILITY CRITERIA AND STANDARD HEADER.
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46 -- BCB 04/27/90 REVISED APPLICABILITY CRITERIA.
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47 -- BCB 10/03/90 REMOVED APPLICABILITY CRITERIA AND N/A => ERROR
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48 -- LINE. CHANGED EXTENSION FROM '.DEP' TO '.ADA'.
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49
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50 WITH REPORT;
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51 PROCEDURE C45531C IS
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52
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53 USE REPORT;
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54
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55 MIN_WORD_LENGTH : CONSTANT := 12;
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56 FULL_SCALE : CONSTANT := 2 ** (MIN_WORD_LENGTH - 1);
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57 FORTH : CONSTANT := FULL_SCALE / 4;
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58 RNG1 : CONSTANT := FULL_SCALE * 0.5;
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59 TYPE FX_0P5 IS DELTA 0.5 RANGE -RNG1 * 1 .. RNG1 * 1 - 0.5;
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60 TYPE FX_1 IS DELTA 1.0 RANGE -RNG1 * 2 .. RNG1 * 2 - 1.0;
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61 TYPE FX_RNG1 IS DELTA RNG1
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62 RANGE -RNG1 * FULL_SCALE .. RNG1 * (FULL_SCALE - 1);
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63
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64 BEGIN TEST ("C45531C", "MIXED FIXED POINT AND INTEGER ""*"" "
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65 & "FOR DELTA <, =, > 1.0");
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66
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67 --------------------------------------------------
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68
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69 -- CASE A) INTEGER * FIXED WHEN ALL VALUES ARE MODEL NUMBERS.
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70
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71 A: DECLARE
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72 A : INTEGER := 0;
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73 B : FX_0P5 := 0.0;
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74 RESULT_VALUE : FX_0P5 := 0.0;
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75 LOWEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (7.5);
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76 HIGHEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (7.5);
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77 BEGIN
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78 IF EQUAL (3, 3) THEN
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79 A := 3;
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80 B := FX_0P5 (2.5); -- A MODEL NUMBER
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81 END IF;
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82
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83 RESULT_VALUE := A * B;
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84
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85 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
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86 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
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87 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
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88 & "FOR INTEGER * FIXED "
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89 & "WHEN ALL VALUES ARE MODEL NUMBERS");
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90 END IF;
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91 END A;
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92
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93 --------------------------------------------------
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94
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95 -- CASE B) FIXED * INTEGER WHEN ALL VALUES ARE MODEL NUMBERS.
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96
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97 B: DECLARE
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98 A : FX_1 := 0.0;
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99 B : INTEGER := 0;
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100 RESULT_VALUE : FX_1 := 0.0;
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101 LOWEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (3 * FORTH);
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102 HIGHEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (3 * FORTH);
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103 BEGIN
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104 IF EQUAL (3, 3) THEN
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105 A := FX_1 (FULL_SCALE / 8); -- A MODEL NUMBER
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106 B := 6;
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107 END IF;
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108
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109 RESULT_VALUE := A * B;
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110
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111 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
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112 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
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113 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
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114 & "FOR FIXED * INTEGER "
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115 & "WHEN ALL VALUES ARE MODEL NUMBERS");
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116 END IF;
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117 END B;
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118
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119 --------------------------------------------------
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120
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121 -- CASE C) INTEGER * FIXED FOR NON-MODEL NUMBERS.
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122
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123 C: DECLARE
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124 A : INTEGER := 0;
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125 B : FX_RNG1 := 0.0;
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126 RESULT_VALUE : FX_RNG1 := 0.0;
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127 LOW_COUNT : CONSTANT := (3 * (FORTH + 0) );
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128 HIGH_COUNT : CONSTANT := (3 * (FORTH + 1) );
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129 LOWEST_ACCEPTABLE_VALUE : FX_RNG1
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130 := FX_RNG1 (RNG1 * LOW_COUNT );
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131 HIGHEST_ACCEPTABLE_VALUE : FX_RNG1
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132 := FX_RNG1 (RNG1 * HIGH_COUNT);
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133 BEGIN
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134 IF EQUAL (3, 3) THEN -- B NOT A MODEL NUMBER
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135 A := 3;
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136 B := FX_RNG1 (RNG1 * FORTH + 0.5);
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137 END IF;
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138
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139 RESULT_VALUE := A * B;
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140
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141 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
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142 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
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143 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
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144 & "FOR INTEGER * FIXED FOR NON-MODEL NUMBERS");
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145
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146 END IF;
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147 END C;
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148
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149 --------------------------------------------------
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150
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151 -- CASE D) FIXED * INTEGER FOR NON-MODEL NUMBERS.
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152
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153 D: DECLARE
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154 A : FX_RNG1 := 0.0;
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155 B : INTEGER := 0;
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156 RESULT_VALUE : FX_RNG1 := 0.0;
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157 LOW_COUNT : CONSTANT := (3 * (FORTH + 0) );
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158 HIGH_COUNT : CONSTANT := (3 * (FORTH + 1) );
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159 LOWEST_ACCEPTABLE_VALUE : FX_RNG1
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160 := FX_RNG1 (RNG1 * LOW_COUNT );
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161 HIGHEST_ACCEPTABLE_VALUE : FX_RNG1
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162 := FX_RNG1 (RNG1 * HIGH_COUNT);
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163 BEGIN
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164 IF EQUAL (3, 3) THEN -- A NOT A MODEL NUMBER
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165 A := FX_RNG1 (RNG1 * FORTH + 0.5);
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166 B := 3;
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167 END IF;
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168
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169 RESULT_VALUE := A * B;
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170
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171 IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE)
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172 OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN
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173 FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL "
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174 & "FOR FIXED * INTEGER FOR NON-MODEL NUMBERS");
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175 END IF;
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176 END D;
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177
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178 --------------------------------------------------
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179
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180
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181 RESULT;
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182
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183 END C45531C;
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