xref: /netbsd-src/external/lgpl3/gmp/dist/tests/cxx/t-unary.cc (revision 72c7faa4dbb41dbb0238d6b4a109da0d4b236dd4)
1 /* Test mp*_class unary expressions.
2 
3 Copyright 2001-2003 Free Software Foundation, Inc.
4 
5 This file is part of the GNU MP Library test suite.
6 
7 The GNU MP Library test suite is free software; you can redistribute it
8 and/or modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 3 of the License,
10 or (at your option) any later version.
11 
12 The GNU MP Library test suite is distributed in the hope that it will be
13 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
15 Public License for more details.
16 
17 You should have received a copy of the GNU General Public License along with
18 the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */
19 
20 #include "config.h"
21 
22 #include <iostream>
23 
24 #include "gmpxx.h"
25 #include "gmp-impl.h"
26 #include "tests.h"
27 
28 using namespace std;
29 
30 
31 void
check_mpz(void)32 check_mpz (void)
33 {
34   // template <class T, class Op>
35   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, T>, Op> >
36   {
37     mpz_class a(1);
38     mpz_class b(+a); ASSERT_ALWAYS(b == 1);
39   }
40   {
41     mpz_class a(2);
42     mpz_class b;
43     b = -a; ASSERT_ALWAYS(b == -2);
44   }
45   {
46     mpz_class a(3);
47     mpz_class b;
48     b = ~a; ASSERT_ALWAYS(b == -4);
49   }
50 
51   // template <class T, class U, class Op>
52   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, U>, Op> >
53   {
54     mpz_class a(1);
55     mpz_class b(-(-a)); ASSERT_ALWAYS(b == 1);
56   }
57   {
58     mpz_class a(2);
59     mpz_class b;
60     b = -(-(-a)); ASSERT_ALWAYS(b == -2);
61   }
62 }
63 
64 void
check_mpq(void)65 check_mpq (void)
66 {
67   // template <class T, class Op>
68   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, T>, Op> >
69   {
70     mpq_class a(1);
71     mpq_class b(+a); ASSERT_ALWAYS(b == 1);
72   }
73   {
74     mpq_class a(2);
75     mpq_class b;
76     b = -a; ASSERT_ALWAYS(b == -2);
77   }
78 
79   // template <class T, class U, class Op>
80   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, U>, Op> >
81   {
82     mpq_class a(1);
83     mpq_class b(-(-a)); ASSERT_ALWAYS(b == 1);
84   }
85   {
86     mpq_class a(2);
87     mpq_class b;
88     b = -(-(-a)); ASSERT_ALWAYS(b == -2);
89   }
90 }
91 
92 void
check_mpf(void)93 check_mpf (void)
94 {
95   // template <class T, class Op>
96   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, T>, Op> >
97   {
98     mpf_class a(1);
99     mpf_class b(+a); ASSERT_ALWAYS(b == 1);
100   }
101   {
102     mpf_class a(2);
103     mpf_class b;
104     b = -a; ASSERT_ALWAYS(b == -2);
105   }
106 
107   // template <class T, class U, class Op>
108   // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, U>, Op> >
109   {
110     mpf_class a(1);
111     mpf_class b(-(-a)); ASSERT_ALWAYS(b == 1);
112   }
113   {
114     mpf_class a(2);
115     mpf_class b;
116     b = -(-(-a)); ASSERT_ALWAYS(b == -2);
117   }
118 }
119 
120 
121 int
main(void)122 main (void)
123 {
124   tests_start();
125 
126   check_mpz();
127   check_mpq();
128   check_mpf();
129 
130   tests_end();
131   return 0;
132 }
133