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7adcbafe | 1 | // Copyright (C) 2020-2022 Free Software Foundation, Inc. |
02e32295 MK |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | // | |
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | // | |
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
aa89c53c MK |
18 | // only: float|double|ldouble * * * |
19 | // expensive: * [1-9] * * | |
02e32295 MK |
20 | #include "bits/test_values.h" |
21 | #include "bits/verify.h" | |
22 | ||
23 | template <typename V> | |
24 | void | |
25 | test() | |
26 | { | |
27 | using T = typename V::value_type; | |
28 | constexpr T inf = std::__infinity_v<T>; | |
29 | constexpr T denorm_min = std::__denorm_min_v<T>; | |
30 | constexpr T norm_min = std::__norm_min_v<T>; | |
31 | constexpr T max = std::__finite_max_v<T>; | |
32 | constexpr T min = std::__finite_min_v<T>; | |
33 | test_values<V>( | |
34 | {2.1, | |
35 | 2.0, | |
36 | 2.9, | |
37 | 2.5, | |
38 | 2.499, | |
39 | 1.5, | |
40 | 1.499, | |
41 | 1.99, | |
42 | 0.99, | |
43 | 0.5, | |
44 | 0.499, | |
45 | 0., | |
46 | -2.1, | |
47 | -2.0, | |
48 | -2.9, | |
49 | -2.5, | |
50 | -2.499, | |
51 | -1.5, | |
52 | -1.499, | |
53 | -1.99, | |
54 | -0.99, | |
55 | -0.5, | |
56 | -0.499, | |
57 | 3 << 21, | |
58 | 3 << 22, | |
59 | 3 << 23, | |
60 | -(3 << 21), | |
61 | -(3 << 22), | |
62 | -(3 << 23), | |
63 | #ifdef __STDC_IEC_559__ | |
64 | -0., | |
65 | inf, | |
66 | -inf, | |
67 | denorm_min, | |
68 | norm_min * 0.9, | |
69 | -denorm_min, | |
70 | -norm_min * 0.9, | |
71 | #endif | |
72 | max, | |
73 | norm_min, | |
74 | min, | |
75 | -norm_min | |
76 | }, | |
77 | [](const V input) { | |
78 | const V expected([&](auto i) { return std::trunc(input[i]); }); | |
79 | COMPARE(trunc(input), expected) << input; | |
80 | }, | |
81 | [](const V input) { | |
82 | const V expected([&](auto i) { return std::ceil(input[i]); }); | |
83 | COMPARE(ceil(input), expected) << input; | |
84 | }, | |
85 | [](const V input) { | |
86 | const V expected([&](auto i) { return std::floor(input[i]); }); | |
87 | COMPARE(floor(input), expected) << input; | |
88 | }); | |
89 | ||
90 | #ifdef __STDC_IEC_559__ | |
91 | test_values<V>( | |
92 | { | |
93 | #ifdef __SUPPORT_SNAN__ | |
94 | std::__signaling_NaN_v<T>, | |
95 | #endif | |
96 | std::__quiet_NaN_v<T>}, | |
97 | [](const V input) { | |
98 | const V expected([&](auto i) { return std::trunc(input[i]); }); | |
99 | COMPARE(isnan(trunc(input)), isnan(expected)) << input; | |
100 | }, | |
101 | [](const V input) { | |
102 | const V expected([&](auto i) { return std::ceil(input[i]); }); | |
103 | COMPARE(isnan(ceil(input)), isnan(expected)) << input; | |
104 | }, | |
105 | [](const V input) { | |
106 | const V expected([&](auto i) { return std::floor(input[i]); }); | |
107 | COMPARE(isnan(floor(input)), isnan(expected)) << input; | |
108 | }); | |
109 | #endif | |
110 | } |