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date Fri, 27 Oct 2017 22:46:09 +0900
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1 -- CXG1002.A
2 --
3 -- Grant of Unlimited Rights
4 --
5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
7 -- unlimited rights in the software and documentation contained herein.
8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
9 -- this public release, the Government intends to confer upon all
10 -- recipients unlimited rights equal to those held by the Government.
11 -- These rights include rights to use, duplicate, release or disclose the
12 -- released technical data and computer software in whole or in part, in
13 -- any manner and for any purpose whatsoever, and to have or permit others
14 -- to do so.
15 --
16 -- DISCLAIMER
17 --
18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
24 --*
25 --
26 -- OBJECTIVE:
27 -- Check that the subprograms defined in the package
28 -- Ada.Numerics.Generic_Complex_Types provide the prescribed results.
29 -- Specifically, check the various versions of functions "+" and "-".
30 --
31 -- TEST DESCRIPTION:
32 -- This test checks that the subprograms "+" and "-" defined in the
33 -- Generic_Complex_Types package provide the results prescribed for the
34 -- evaluation of these complex arithmetic operations. The functions
35 -- Re and Im are used to extract the appropriate component of the
36 -- complex result, in order that the prescribed result component can be
37 -- verified.
38 -- The generic package is instantiated with a real type (new Float),
39 -- and the results produced by the specified subprograms are verified.
40 --
41 -- SPECIAL REQUIREMENTS:
42 -- This test can be run in either "relaxed" or "strict" mode.
43 --
44 --
45 -- CHANGE HISTORY:
46 -- 06 Dec 94 SAIC ACVC 2.0
47 --
48 --!
49
50 with Ada.Numerics.Generic_Complex_Types;
51 with Report;
52
53 procedure CXG1002 is
54
55 begin
56
57 Report.Test ("CXG1002", "Check that the subprograms defined in " &
58 "the package Ada.Numerics.Generic_Complex_Types " &
59 "provide the prescribed results");
60
61 Test_Block:
62 declare
63
64 type Real_Type is new Float;
65
66 package Complex_Pack is new
67 Ada.Numerics.Generic_Complex_Types(Real_Type);
68 use Complex_Pack;
69
70 -- Declare a zero valued complex number using the record
71 -- aggregate approach.
72
73 Complex_Zero : constant Complex_Pack.Complex := (0.0, 0.0);
74
75 TC_Complex,
76 TC_Complex_Right,
77 TC_Complex_Left : Complex_Pack.Complex := Complex_Zero;
78
79 TC_Real : Real_Type := 0.0;
80
81 TC_Imaginary : Complex_Pack.Imaginary;
82
83 begin
84
85
86 -- Check that the imaginary component of the result of a binary addition
87 -- operator that yields a result of complex type is exact when either
88 -- of its operands is of pure-real type.
89
90 TC_Complex := Compose_From_Cartesian(2.0, 3.0);
91 TC_Real := 3.0;
92
93 if Im("+"(Left => TC_Complex, Right => TC_Real)) /= 3.0 or
94 Im("+"(TC_Complex, 6.0)) /= 3.0 or
95 Im(TC_Complex + TC_Real) /= 3.0 or
96 Im(TC_Complex + 5.0) /= 3.0 or
97 Im((7.0, 2.0) + 1.0) /= 2.0 or
98 Im((7.0, 5.0) + (-2.0)) /= 5.0 or
99 Im((-7.0, -2.0) + 1.0) /= -2.0 or
100 Im((-7.0, -3.0) + (-3.0)) /= -3.0
101 then
102 Report.Failed("Incorrect results from Function ""+"" with " &
103 "one Complex and one Real argument - 1");
104 end if;
105
106 if Im("+"(Left => TC_Real, Right => TC_Complex)) /= 3.0 or
107 Im("+"(4.0, TC_Complex)) /= 3.0 or
108 Im(TC_Real + TC_Complex) /= 3.0 or
109 Im(9.0 + TC_Complex) /= 3.0 or
110 Im(1.0 + (7.0, -9.0)) /= -9.0 or
111 Im((-2.0) + (7.0, 2.0)) /= 2.0 or
112 Im(1.0 + (-7.0, -5.0)) /= -5.0 or
113 Im((-3.0) + (-7.0, 16.0)) /= 16.0
114 then
115 Report.Failed("Incorrect results from Function ""+"" with " &
116 "one Complex and one Real argument - 2");
117 end if;
118
119
120 -- Check that the imaginary component of the result of a binary
121 -- subtraction operator that yields a result of complex type is exact
122 -- when its right operand is of pure-real type.
123
124 TC_Complex := (8.0, -4.0);
125 TC_Real := 2.0;
126
127 if Im("-"(Left => TC_Complex, Right => TC_Real)) /= -4.0 or
128 Im("-"(TC_Complex, 5.0)) /= -4.0 or
129 Im(TC_Complex - TC_Real) /= -4.0 or
130 Im(TC_Complex - 4.0) /= -4.0 or
131 Im((6.0, 5.0) - 1.0) /= 5.0 or
132 Im((6.0, 13.0) - 7.0) /= 13.0 or
133 Im((-5.0, 3.0) - (2.0)) /= 3.0 or
134 Im((-5.0, -6.0) - (-3.0)) /= -6.0
135 then
136 Report.Failed("Incorrect results from Function ""-"" with " &
137 "one Complex and one Real argument");
138 end if;
139
140
141 -- Check that the real component of the result of a binary addition
142 -- operator that yields a result of complex type is exact when either
143 -- of its operands is of pure-imaginary type.
144
145 TC_Complex := (5.0, 0.0);
146
147 if Re("+"(Left => TC_Complex, Right => i)) /= 5.0 or
148 Re("+"(Complex_Pack.j, TC_Complex)) /= 5.0 or
149 Re((-8.0, 5.0) + ( 2.0*i)) /= -8.0 or
150 Re((2.0, 5.0) + (-2.0*i)) /= 2.0 or
151 Re((-20.0, -5.0) + ( 3.0*i)) /= -20.0 or
152 Re((6.0, -5.0) + (-3.0*i)) /= 6.0
153 then
154 Report.Failed("Incorrect results from Function ""+"" with " &
155 "one Complex and one Imaginary argument");
156 end if;
157
158
159 -- Check that the real component of the result of a binary
160 -- subtraction operator that yields a result of complex type is exact
161 -- when its right operand is of pure-imaginary type.
162
163 TC_Complex := TC_Complex + i; -- Should produce (5.0, 1.0)
164
165 if Re("-"(TC_Complex, i)) /= 5.0 or
166 Re((-4.0, 4.0) - ( 2.0*i)) /= -4.0 or
167 Re((9.0, 4.0) - ( 5.0*i)) /= 9.0 or
168 Re((16.0, -5.0) - ( 3.0*i)) /= 16.0 or
169 Re((-3.0, -5.0) - (-4.0*i)) /= -3.0
170 then
171 Report.Failed("Incorrect results from Function ""-"" with " &
172 "one Complex and one Imaginary argument");
173 end if;
174
175
176 -- Check that the result of a binary addition operation is exact when
177 -- one of its operands is of real type and the other is of
178 -- pure-imaginary type; the operator is analogous to the
179 -- Compose_From_Cartesian function; it performs no arithmetic.
180
181 TC_Complex := Complex_Pack."+"(5.0, Complex_Pack.i);
182
183 if TC_Complex /= (5.0, 1.0) or
184 (4.0 + i) /= (4.0, 1.0) or
185 "+"(Left => j, Right => 3.0) /= (3.0, 1.0)
186 then
187 Report.Failed("Incorrect results from Function ""+"" with " &
188 "one Real and one Imaginary argument");
189 end if;
190
191
192 exception
193 when others => Report.Failed ("Exception raised in Test_Block");
194 end Test_Block;
195
196 Report.Result;
197
198 end CXG1002;