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111
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1 -- CXG1002.A
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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 --
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26 -- OBJECTIVE:
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27 -- Check that the subprograms defined in the package
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28 -- Ada.Numerics.Generic_Complex_Types provide the prescribed results.
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29 -- Specifically, check the various versions of functions "+" and "-".
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30 --
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31 -- TEST DESCRIPTION:
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32 -- This test checks that the subprograms "+" and "-" defined in the
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33 -- Generic_Complex_Types package provide the results prescribed for the
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34 -- evaluation of these complex arithmetic operations. The functions
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35 -- Re and Im are used to extract the appropriate component of the
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36 -- complex result, in order that the prescribed result component can be
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37 -- verified.
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38 -- The generic package is instantiated with a real type (new Float),
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39 -- and the results produced by the specified subprograms are verified.
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40 --
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41 -- SPECIAL REQUIREMENTS:
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42 -- This test can be run in either "relaxed" or "strict" mode.
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43 --
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44 --
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45 -- CHANGE HISTORY:
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46 -- 06 Dec 94 SAIC ACVC 2.0
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47 --
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48 --!
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49
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50 with Ada.Numerics.Generic_Complex_Types;
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51 with Report;
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52
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53 procedure CXG1002 is
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54
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55 begin
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56
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57 Report.Test ("CXG1002", "Check that the subprograms defined in " &
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58 "the package Ada.Numerics.Generic_Complex_Types " &
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59 "provide the prescribed results");
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60
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61 Test_Block:
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62 declare
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63
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64 type Real_Type is new Float;
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65
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66 package Complex_Pack is new
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67 Ada.Numerics.Generic_Complex_Types(Real_Type);
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68 use Complex_Pack;
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69
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70 -- Declare a zero valued complex number using the record
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71 -- aggregate approach.
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72
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73 Complex_Zero : constant Complex_Pack.Complex := (0.0, 0.0);
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74
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75 TC_Complex,
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76 TC_Complex_Right,
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77 TC_Complex_Left : Complex_Pack.Complex := Complex_Zero;
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78
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79 TC_Real : Real_Type := 0.0;
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80
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81 TC_Imaginary : Complex_Pack.Imaginary;
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82
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83 begin
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84
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85
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86 -- Check that the imaginary component of the result of a binary addition
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87 -- operator that yields a result of complex type is exact when either
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88 -- of its operands is of pure-real type.
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89
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90 TC_Complex := Compose_From_Cartesian(2.0, 3.0);
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91 TC_Real := 3.0;
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92
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93 if Im("+"(Left => TC_Complex, Right => TC_Real)) /= 3.0 or
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94 Im("+"(TC_Complex, 6.0)) /= 3.0 or
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95 Im(TC_Complex + TC_Real) /= 3.0 or
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96 Im(TC_Complex + 5.0) /= 3.0 or
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97 Im((7.0, 2.0) + 1.0) /= 2.0 or
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98 Im((7.0, 5.0) + (-2.0)) /= 5.0 or
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99 Im((-7.0, -2.0) + 1.0) /= -2.0 or
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100 Im((-7.0, -3.0) + (-3.0)) /= -3.0
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101 then
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102 Report.Failed("Incorrect results from Function ""+"" with " &
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103 "one Complex and one Real argument - 1");
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104 end if;
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105
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106 if Im("+"(Left => TC_Real, Right => TC_Complex)) /= 3.0 or
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107 Im("+"(4.0, TC_Complex)) /= 3.0 or
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108 Im(TC_Real + TC_Complex) /= 3.0 or
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109 Im(9.0 + TC_Complex) /= 3.0 or
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110 Im(1.0 + (7.0, -9.0)) /= -9.0 or
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111 Im((-2.0) + (7.0, 2.0)) /= 2.0 or
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112 Im(1.0 + (-7.0, -5.0)) /= -5.0 or
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113 Im((-3.0) + (-7.0, 16.0)) /= 16.0
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114 then
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115 Report.Failed("Incorrect results from Function ""+"" with " &
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116 "one Complex and one Real argument - 2");
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117 end if;
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118
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119
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120 -- Check that the imaginary component of the result of a binary
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121 -- subtraction operator that yields a result of complex type is exact
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122 -- when its right operand is of pure-real type.
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123
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124 TC_Complex := (8.0, -4.0);
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125 TC_Real := 2.0;
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126
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127 if Im("-"(Left => TC_Complex, Right => TC_Real)) /= -4.0 or
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128 Im("-"(TC_Complex, 5.0)) /= -4.0 or
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129 Im(TC_Complex - TC_Real) /= -4.0 or
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130 Im(TC_Complex - 4.0) /= -4.0 or
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131 Im((6.0, 5.0) - 1.0) /= 5.0 or
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132 Im((6.0, 13.0) - 7.0) /= 13.0 or
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133 Im((-5.0, 3.0) - (2.0)) /= 3.0 or
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134 Im((-5.0, -6.0) - (-3.0)) /= -6.0
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135 then
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136 Report.Failed("Incorrect results from Function ""-"" with " &
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137 "one Complex and one Real argument");
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138 end if;
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139
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140
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141 -- Check that the real component of the result of a binary addition
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142 -- operator that yields a result of complex type is exact when either
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143 -- of its operands is of pure-imaginary type.
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144
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145 TC_Complex := (5.0, 0.0);
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146
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147 if Re("+"(Left => TC_Complex, Right => i)) /= 5.0 or
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148 Re("+"(Complex_Pack.j, TC_Complex)) /= 5.0 or
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149 Re((-8.0, 5.0) + ( 2.0*i)) /= -8.0 or
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150 Re((2.0, 5.0) + (-2.0*i)) /= 2.0 or
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151 Re((-20.0, -5.0) + ( 3.0*i)) /= -20.0 or
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152 Re((6.0, -5.0) + (-3.0*i)) /= 6.0
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153 then
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154 Report.Failed("Incorrect results from Function ""+"" with " &
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155 "one Complex and one Imaginary argument");
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156 end if;
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157
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158
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159 -- Check that the real component of the result of a binary
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160 -- subtraction operator that yields a result of complex type is exact
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161 -- when its right operand is of pure-imaginary type.
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162
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163 TC_Complex := TC_Complex + i; -- Should produce (5.0, 1.0)
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164
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165 if Re("-"(TC_Complex, i)) /= 5.0 or
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166 Re((-4.0, 4.0) - ( 2.0*i)) /= -4.0 or
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167 Re((9.0, 4.0) - ( 5.0*i)) /= 9.0 or
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168 Re((16.0, -5.0) - ( 3.0*i)) /= 16.0 or
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169 Re((-3.0, -5.0) - (-4.0*i)) /= -3.0
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170 then
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171 Report.Failed("Incorrect results from Function ""-"" with " &
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172 "one Complex and one Imaginary argument");
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173 end if;
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174
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175
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176 -- Check that the result of a binary addition operation is exact when
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177 -- one of its operands is of real type and the other is of
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178 -- pure-imaginary type; the operator is analogous to the
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179 -- Compose_From_Cartesian function; it performs no arithmetic.
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180
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181 TC_Complex := Complex_Pack."+"(5.0, Complex_Pack.i);
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182
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183 if TC_Complex /= (5.0, 1.0) or
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184 (4.0 + i) /= (4.0, 1.0) or
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185 "+"(Left => j, Right => 3.0) /= (3.0, 1.0)
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186 then
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187 Report.Failed("Incorrect results from Function ""+"" with " &
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188 "one Real and one Imaginary argument");
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189 end if;
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190
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191
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192 exception
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193 when others => Report.Failed ("Exception raised in Test_Block");
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194 end Test_Block;
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195
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196 Report.Result;
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197
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198 end CXG1002;
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