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gerrit-public.fairphone.software / toolchain / llvm-project / ac24bb53bb5424b7bb4db4414f988a27182cd70c / . / compiler-rt / test / builtins / Unit / floatuntitf_test.c
blob: e81c30e321472d4c0eab2d6253ee680c5e398a9a [file] [log] [blame]
Weiming Zhao9b7bbec2017-03-21 05:32:51 +0000[diff] [blame]1// RUN: %clang_builtins %s %librt -o %t && %run %t
Michal Gorny42af8da2017-01-06 18:46:35 +0000[diff] [blame]2//===-- floatuntitf.c - Test __floatuntitf --------------------------------===//
3//
4// The LLVM Compiler Infrastructure
5//
6// This file is dual licensed under the MIT and the University of Illinois Open
7// Source Licenses. See LICENSE.TXT for details.
8//
9//===----------------------------------------------------------------------===//
10//
11// This file tests __floatuntitf for the compiler_rt library.
12//
13//===----------------------------------------------------------------------===//
14
15#define QUAD_PRECISION
16#include "fp_lib.h"
17#include "int_lib.h"
18#include <float.h>
19#include <stdio.h>
20
21#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT)
22
23/* Returns: convert a tu_int to a fp_t, rounding toward even. */
24
25/* Assumption: fp_t is a IEEE 128 bit floating point type
26 * tu_int is a 128 bit integral type
27 */
28
29/* seee eeee eeee eeee mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm |
30 * mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm
31 */
32
33COMPILER_RT_ABI fp_t __floatuntitf(tu_int a);
34
35int test__floatuntitf(tu_int a, fp_t expected) {
36 fp_t x = __floatuntitf(a);
37 if (x != expected) {
38 utwords at;
39 at.all = a;
40 printf("error in __floatuntitf(0x%.16llX%.16llX) = %LA, expected %LA\n",
41 at.s.high, at.s.low, x, expected);
42 }
43 return x != expected;
44}
45
46char assumption_1[sizeof(tu_int) == 2*sizeof(du_int)] = {0};
47char assumption_2[sizeof(tu_int)*CHAR_BIT == 128] = {0};
48char assumption_3[sizeof(fp_t)*CHAR_BIT == 128] = {0};
49
50#endif
51
52int main() {
53#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT)
54 if (test__floatuntitf(0, 0.0))
55 return 1;
56
57 if (test__floatuntitf(1, 1.0))
58 return 1;
59 if (test__floatuntitf(2, 2.0))
60 return 1;
61 if (test__floatuntitf(20, 20.0))
62 return 1;
63
64 if (test__floatuntitf(0x7FFFFF8000000000ULL, 0x1.FFFFFEp+62))
65 return 1;
66 if (test__floatuntitf(0x7FFFFFFFFFFFF800ULL, 0x1.FFFFFFFFFFFFEp+62))
67 return 1;
68 if (test__floatuntitf(0x7FFFFF0000000000ULL, 0x1.FFFFFCp+62))
69 return 1;
70 if (test__floatuntitf(0x7FFFFFFFFFFFF000ULL, 0x1.FFFFFFFFFFFFCp+62))
71 return 1;
72 if (test__floatuntitf(0x7FFFFFFFFFFFFFFFULL, 0xF.FFFFFFFFFFFFFFEp+59L))
73 return 1;
74 if (test__floatuntitf(0xFFFFFFFFFFFFFFFEULL, 0xF.FFFFFFFFFFFFFFEp+60L))
75 return 1;
76 if (test__floatuntitf(0xFFFFFFFFFFFFFFFFULL, 0xF.FFFFFFFFFFFFFFFp+60L))
77 return 1;
78
79 if (test__floatuntitf(0x8000008000000000ULL, 0x8.000008p+60))
80 return 1;
81 if (test__floatuntitf(0x8000000000000800ULL, 0x8.0000000000008p+60))
82 return 1;
83 if (test__floatuntitf(0x8000010000000000ULL, 0x8.00001p+60))
84 return 1;
85 if (test__floatuntitf(0x8000000000001000ULL, 0x8.000000000001p+60))
86 return 1;
87
88 if (test__floatuntitf(0x8000000000000000ULL, 0x8p+60))
89 return 1;
90 if (test__floatuntitf(0x8000000000000001ULL, 0x8.000000000000001p+60L))
91 return 1;
92
93 if (test__floatuntitf(0x0007FB72E8000000LL, 0x1.FEDCBAp+50))
94 return 1;
95
96 if (test__floatuntitf(0x0007FB72EA000000LL, 0x1.FEDCBA8p+50))
97 return 1;
98 if (test__floatuntitf(0x0007FB72EB000000LL, 0x1.FEDCBACp+50))
99 return 1;
100 if (test__floatuntitf(0x0007FB72EBFFFFFFLL, 0x1.FEDCBAFFFFFFCp+50))
101 return 1;
102 if (test__floatuntitf(0x0007FB72EC000000LL, 0x1.FEDCBBp+50))
103 return 1;
104 if (test__floatuntitf(0x0007FB72E8000001LL, 0x1.FEDCBA0000004p+50))
105 return 1;
106
107 if (test__floatuntitf(0x0007FB72E6000000LL, 0x1.FEDCB98p+50))
108 return 1;
109 if (test__floatuntitf(0x0007FB72E7000000LL, 0x1.FEDCB9Cp+50))
110 return 1;
111 if (test__floatuntitf(0x0007FB72E7FFFFFFLL, 0x1.FEDCB9FFFFFFCp+50))
112 return 1;
113 if (test__floatuntitf(0x0007FB72E4000001LL, 0x1.FEDCB90000004p+50))
114 return 1;
115 if (test__floatuntitf(0x0007FB72E4000000LL, 0x1.FEDCB9p+50))
116 return 1;
117
118 if (test__floatuntitf(0x023479FD0E092DC0LL, 0x1.1A3CFE870496Ep+57))
119 return 1;
120 if (test__floatuntitf(0x023479FD0E092DA1LL, 0x1.1A3CFE870496D08p+57L))
121 return 1;
122 if (test__floatuntitf(0x023479FD0E092DB0LL, 0x1.1A3CFE870496D8p+57L))
123 return 1;
124 if (test__floatuntitf(0x023479FD0E092DB8LL, 0x1.1A3CFE870496DCp+57L))
125 return 1;
126 if (test__floatuntitf(0x023479FD0E092DB6LL, 0x1.1A3CFE870496DBp+57L))
127 return 1;
128 if (test__floatuntitf(0x023479FD0E092DBFLL, 0x1.1A3CFE870496DF8p+57L))
129 return 1;
130 if (test__floatuntitf(0x023479FD0E092DC1LL, 0x1.1A3CFE870496E08p+57L))
131 return 1;
132 if (test__floatuntitf(0x023479FD0E092DC7LL, 0x1.1A3CFE870496E38p+57L))
133 return 1;
134 if (test__floatuntitf(0x023479FD0E092DC8LL, 0x1.1A3CFE870496E4p+57L))
135 return 1;
136 if (test__floatuntitf(0x023479FD0E092DCFLL, 0x1.1A3CFE870496E78p+57L))
137 return 1;
138 if (test__floatuntitf(0x023479FD0E092DD0LL, 0x1.1A3CFE870496E8p+57L))
139 return 1;
140 if (test__floatuntitf(0x023479FD0E092DD1LL, 0x1.1A3CFE870496E88p+57L))
141 return 1;
142 if (test__floatuntitf(0x023479FD0E092DD8LL, 0x1.1A3CFE870496ECp+57L))
143 return 1;
144 if (test__floatuntitf(0x023479FD0E092DDFLL, 0x1.1A3CFE870496EF8p+57L))
145 return 1;
146 if (test__floatuntitf(0x023479FD0E092DE0LL, 0x1.1A3CFE870496Fp+57))
147 return 1;
148
149 if (test__floatuntitf(make_ti(0x023479FD0E092DC0LL, 0), 0x1.1A3CFE870496Ep+121L))
150 return 1;
151 if (test__floatuntitf(make_ti(0x023479FD0E092DA1LL, 1), 0x1.1A3CFE870496D08p+121L))
152 return 1;
153 if (test__floatuntitf(make_ti(0x023479FD0E092DB0LL, 2), 0x1.1A3CFE870496D8p+121L))
154 return 1;
155 if (test__floatuntitf(make_ti(0x023479FD0E092DB8LL, 3), 0x1.1A3CFE870496DCp+121L))
156 return 1;
157 if (test__floatuntitf(make_ti(0x023479FD0E092DB6LL, 4), 0x1.1A3CFE870496DBp+121L))
158 return 1;
159 if (test__floatuntitf(make_ti(0x023479FD0E092DBFLL, 5), 0x1.1A3CFE870496DF8p+121L))
160 return 1;
161 if (test__floatuntitf(make_ti(0x023479FD0E092DC1LL, 6), 0x1.1A3CFE870496E08p+121L))
162 return 1;
163 if (test__floatuntitf(make_ti(0x023479FD0E092DC7LL, 7), 0x1.1A3CFE870496E38p+121L))
164 return 1;
165 if (test__floatuntitf(make_ti(0x023479FD0E092DC8LL, 8), 0x1.1A3CFE870496E4p+121L))
166 return 1;
167 if (test__floatuntitf(make_ti(0x023479FD0E092DCFLL, 9), 0x1.1A3CFE870496E78p+121L))
168 return 1;
169 if (test__floatuntitf(make_ti(0x023479FD0E092DD0LL, 0), 0x1.1A3CFE870496E8p+121L))
170 return 1;
171 if (test__floatuntitf(make_ti(0x023479FD0E092DD1LL, 11), 0x1.1A3CFE870496E88p+121L))
172 return 1;
173 if (test__floatuntitf(make_ti(0x023479FD0E092DD8LL, 12), 0x1.1A3CFE870496ECp+121L))
174 return 1;
175 if (test__floatuntitf(make_ti(0x023479FD0E092DDFLL, 13), 0x1.1A3CFE870496EF8p+121L))
176 return 1;
177 if (test__floatuntitf(make_ti(0x023479FD0E092DE0LL, 14), 0x1.1A3CFE870496Fp+121L))
178 return 1;
179
180 if (test__floatuntitf(make_ti(0, 0xFFFFFFFFFFFFFFFFLL), 0x1.FFFFFFFFFFFFFFFEp+63L))
181 return 1;
182
183 if (test__floatuntitf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x0000000000000000LL),
184 0x1.FFFFFFFFFFFFFFFEp+127L))
185 return 1;
186 if (test__floatuntitf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
187 0x1.0000000000000000p+128L))
188 return 1;
189
190 if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC2801LL),
191 0x1.23456789ABCDEF0123456789ABC3p+124L))
192 return 1;
193 if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC3000LL),
194 0x1.23456789ABCDEF0123456789ABC3p+124L))
195 return 1;
196 if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC37FFLL),
197 0x1.23456789ABCDEF0123456789ABC3p+124L))
198 return 1;
199 if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC3800LL),
200 0x1.23456789ABCDEF0123456789ABC4p+124L))
201 return 1;
202 if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4000LL),
203 0x1.23456789ABCDEF0123456789ABC4p+124L))
204 return 1;
205 if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC47FFLL),
206 0x1.23456789ABCDEF0123456789ABC4p+124L))
207 return 1;
208 if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4800LL),
209 0x1.23456789ABCDEF0123456789ABC4p+124L))
210 return 1;
211 if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4801LL),
212 0x1.23456789ABCDEF0123456789ABC5p+124L))
213 return 1;
214 if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC57FFLL),
215 0x1.23456789ABCDEF0123456789ABC5p+124L))
216 return 1;
217#else
218 printf("skipped\n");
219#endif
220 return 0;
221}