File: default.pass.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (88 lines) | stat: -rw-r--r-- 4,270 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS

// test numeric_limits

// The default numeric_limits<T> template shall have all members, but with
// 0 or false values.

#include <limits>
#include <cassert>

#include "test_macros.h"

struct A
{
    A(int i = 0) : data_(i) {}
    int data_;
};

bool operator == (const A& x, const A& y) {return x.data_ == y.data_;}

int main(int, char**)
{
    static_assert(std::numeric_limits<A>::is_specialized == false,
                 "std::numeric_limits<A>::is_specialized == false");
    assert(std::numeric_limits<A>::min() == A());
    assert(std::numeric_limits<A>::max() == A());
    assert(std::numeric_limits<A>::lowest() == A());
    static_assert(std::numeric_limits<A>::digits == 0,
                 "std::numeric_limits<A>::digits == 0");
    static_assert(std::numeric_limits<A>::digits10 == 0,
                 "std::numeric_limits<A>::digits10 == 0");
    static_assert(std::numeric_limits<A>::max_digits10 == 0,
                 "std::numeric_limits<A>::max_digits10 == 0");
    static_assert(std::numeric_limits<A>::is_signed == false,
                 "std::numeric_limits<A>::is_signed == false");
    static_assert(std::numeric_limits<A>::is_integer == false,
                 "std::numeric_limits<A>::is_integer == false");
    static_assert(std::numeric_limits<A>::is_exact == false,
                 "std::numeric_limits<A>::is_exact == false");
    static_assert(std::numeric_limits<A>::radix == 0,
                 "std::numeric_limits<A>::radix == 0");
    assert(std::numeric_limits<A>::epsilon() == A());
    assert(std::numeric_limits<A>::round_error() == A());
    static_assert(std::numeric_limits<A>::min_exponent == 0,
                 "std::numeric_limits<A>::min_exponent == 0");
    static_assert(std::numeric_limits<A>::min_exponent10 == 0,
                 "std::numeric_limits<A>::min_exponent10 == 0");
    static_assert(std::numeric_limits<A>::max_exponent == 0,
                 "std::numeric_limits<A>::max_exponent == 0");
    static_assert(std::numeric_limits<A>::max_exponent10 == 0,
                 "std::numeric_limits<A>::max_exponent10 == 0");
    static_assert(std::numeric_limits<A>::has_infinity == false,
                 "std::numeric_limits<A>::has_infinity == false");
    static_assert(std::numeric_limits<A>::has_quiet_NaN == false,
                 "std::numeric_limits<A>::has_quiet_NaN == false");
    static_assert(std::numeric_limits<A>::has_signaling_NaN == false,
                 "std::numeric_limits<A>::has_signaling_NaN == false");
    static_assert(std::numeric_limits<A>::has_denorm == std::denorm_absent,
                 "std::numeric_limits<A>::has_denorm == std::denorm_absent");
    static_assert(std::numeric_limits<A>::has_denorm_loss == false,
                 "std::numeric_limits<A>::has_denorm_loss == false");
    assert(std::numeric_limits<A>::infinity() == A());
    assert(std::numeric_limits<A>::quiet_NaN() == A());
    assert(std::numeric_limits<A>::signaling_NaN() == A());
    assert(std::numeric_limits<A>::denorm_min() == A());
    static_assert(std::numeric_limits<A>::is_iec559 == false,
                 "std::numeric_limits<A>::is_iec559 == false");
    static_assert(std::numeric_limits<A>::is_bounded == false,
                 "std::numeric_limits<A>::is_bounded == false");
    static_assert(std::numeric_limits<A>::is_modulo == false,
                 "std::numeric_limits<A>::is_modulo == false");
    static_assert(std::numeric_limits<A>::traps == false,
                 "std::numeric_limits<A>::traps == false");
    static_assert(std::numeric_limits<A>::tinyness_before == false,
                 "std::numeric_limits<A>::tinyness_before == false");
    static_assert(std::numeric_limits<A>::round_style == std::round_toward_zero,
                 "std::numeric_limits<A>::round_style == std::round_toward_zero");

  return 0;
}