xref: /netbsd-src/external/lgpl3/gmp/dist/tests/cxx/t-unary.cc (revision 4391d5e9d4f291db41e3b3ba26a01b5e51364aae)
1 /* Test mp*_class unary expressions.
2 
3 Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
4 
5 This file is part of the GNU MP Library.
6 
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
11 
12 The GNU MP Library is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
15 License for more details.
16 
17 You should have received a copy of the GNU Lesser General Public License
18 along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
19 
20 #include "config.h"
21 
22 #include <iostream>
23 
24 #include "gmp.h"
25 #include "gmpxx.h"
26 #include "gmp-impl.h"
27 #include "tests.h"
28 
29 using namespace std;
30 
31 
32 void
33 check_mpz (void)
34 {
35   // template <class T, class Op>
36   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, T>, Op> >
37   {
38     mpz_class a(1);
39     mpz_class b(+a); ASSERT_ALWAYS(b == 1);
40   }
41   {
42     mpz_class a(2);
43     mpz_class b;
44     b = -a; ASSERT_ALWAYS(b == -2);
45   }
46   {
47     mpz_class a(3);
48     mpz_class b;
49     b = ~a; ASSERT_ALWAYS(b == -4);
50   }
51 
52   // template <class T, class U, class Op>
53   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, U>, Op> >
54   {
55     mpz_class a(1);
56     mpz_class b(-(-a)); ASSERT_ALWAYS(b == 1);
57   }
58   {
59     mpz_class a(2);
60     mpz_class b;
61     b = -(-(-a)); ASSERT_ALWAYS(b == -2);
62   }
63 }
64 
65 void
66 check_mpq (void)
67 {
68   // template <class T, class Op>
69   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, T>, Op> >
70   {
71     mpq_class a(1);
72     mpq_class b(+a); ASSERT_ALWAYS(b == 1);
73   }
74   {
75     mpq_class a(2);
76     mpq_class b;
77     b = -a; ASSERT_ALWAYS(b == -2);
78   }
79 
80   // template <class T, class U, class Op>
81   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, U>, Op> >
82   {
83     mpq_class a(1);
84     mpq_class b(-(-a)); ASSERT_ALWAYS(b == 1);
85   }
86   {
87     mpq_class a(2);
88     mpq_class b;
89     b = -(-(-a)); ASSERT_ALWAYS(b == -2);
90   }
91 }
92 
93 void
94 check_mpf (void)
95 {
96   // template <class T, class Op>
97   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, T>, Op> >
98   {
99     mpf_class a(1);
100     mpf_class b(+a); ASSERT_ALWAYS(b == 1);
101   }
102   {
103     mpf_class a(2);
104     mpf_class b;
105     b = -a; ASSERT_ALWAYS(b == -2);
106   }
107 
108   // template <class T, class U, class Op>
109   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, U>, Op> >
110   {
111     mpf_class a(1);
112     mpf_class b(-(-a)); ASSERT_ALWAYS(b == 1);
113   }
114   {
115     mpf_class a(2);
116     mpf_class b;
117     b = -(-(-a)); ASSERT_ALWAYS(b == -2);
118   }
119 }
120 
121 
122 int
123 main (void)
124 {
125   tests_start();
126 
127   check_mpz();
128   check_mpq();
129   check_mpf();
130 
131   tests_end();
132   return 0;
133 }
134