1 /*################################################################################
2 ##
3 ## Copyright (C) 2016-2020 Keith O'Hara
4 ##
5 ## This file is part of the GCE-Math C++ library.
6 ##
7 ## Licensed under the Apache License, Version 2.0 (the "License");
8 ## you may not use this file except in compliance with the License.
9 ## You may obtain a copy of the License at
10 ##
11 ## http://www.apache.org/licenses/LICENSE-2.0
12 ##
13 ## Unless required by applicable law or agreed to in writing, software
14 ## distributed under the License is distributed on an "AS IS" BASIS,
15 ## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 ## See the License for the specific language governing permissions and
17 ## limitations under the License.
18 ##
19 ################################################################################*/
20
21 #define TEST_PRINT_PRECISION_1 2
22 #define TEST_PRINT_PRECISION_2 2
23
24 #include "gcem_tests.hpp"
25
main()26 int main()
27 {
28 print_begin("rounding");
29
30 //
31
32 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, 0.0);
33 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, -0.0);
34 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, 4.2);
35 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, 4.5);
36 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, 4.7);
37 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, 5.0);
38 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, -4.2);
39 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, -4.7);
40 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, -5.0);
41
42 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, -std::numeric_limits<long double>::infinity());
43 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, std::numeric_limits<long double>::infinity());
44 GCEM_TEST_COMPARE_VALS(gcem::floor,std::floor, std::numeric_limits<long double>::quiet_NaN());
45
46 //
47
48 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, 0.0);
49 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, -0.0);
50 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, 4.2);
51 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, 4.5);
52 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, 4.7);
53 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, 5.0);
54 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, -4.2);
55 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, -4.7);
56 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, -5.0);
57
58 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, -std::numeric_limits<long double>::infinity());
59 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, std::numeric_limits<long double>::infinity());
60 GCEM_TEST_COMPARE_VALS(gcem::ceil,std::ceil, std::numeric_limits<long double>::quiet_NaN());
61
62 //
63
64 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, 0.0);
65 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, -0.0);
66 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, 4.2);
67 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, 4.5);
68 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, 4.7);
69 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, 5.0);
70 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, -4.2);
71 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, -4.7);
72 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, -5.0);
73
74 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, -std::numeric_limits<long double>::infinity());
75 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, std::numeric_limits<long double>::infinity());
76 GCEM_TEST_COMPARE_VALS(gcem::trunc,std::trunc, std::numeric_limits<long double>::quiet_NaN());
77
78 //
79
80 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, 0.0);
81 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, -0.0);
82 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, 4.2);
83 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, 4.5);
84 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, 4.7);
85 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, 5.0);
86 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, -4.2);
87 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, -4.5);
88 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, -4.7);
89 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, -5.0);
90
91 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, -std::numeric_limits<long double>::infinity());
92 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, std::numeric_limits<long double>::infinity());
93 GCEM_TEST_COMPARE_VALS(gcem::round,std::round, std::numeric_limits<long double>::quiet_NaN());
94
95 //
96
97 print_final("rounding");
98
99 return 0;
100 }
101