1 //===-------------- trunctfdf2_test.c - Test __trunctfdf2 -----------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file tests __trunctfdf2 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "int_lib.h"
15 #include <stdio.h>
16
17 #if __LDBL_MANT_DIG__ == 113
18
19 #include "fp_test.h"
20
21 COMPILER_RT_ABI double __trunctfdf2(long double a);
22
test__trunctfdf2(long double a,uint64_t expected)23 int test__trunctfdf2(long double a, uint64_t expected)
24 {
25 double x = __trunctfdf2(a);
26 int ret = compareResultD(x, expected);
27
28 if (ret)
29 {
30 printf("error in test__trunctfdf2(%.20Lf) = %lf, "
31 "expected %lf\n", a, x, fromRep64(expected));
32 }
33 return ret;
34 }
35
36 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
37
38 #endif
39
main()40 int main()
41 {
42 #if __LDBL_MANT_DIG__ == 113
43 // qNaN
44 if (test__trunctfdf2(makeQNaN128(),
45 UINT64_C(0x7ff8000000000000)))
46 return 1;
47 // NaN
48 if (test__trunctfdf2(makeNaN128(UINT64_C(0x810000000000)),
49 UINT64_C(0x7ff8100000000000)))
50 return 1;
51 // inf
52 if (test__trunctfdf2(makeInf128(),
53 UINT64_C(0x7ff0000000000000)))
54 return 1;
55 // zero
56 if (test__trunctfdf2(0.0L, UINT64_C(0x0)))
57 return 1;
58
59 if (test__trunctfdf2(0x1.af23456789bbaaab347645365cdep+5L,
60 UINT64_C(0x404af23456789bbb)))
61 return 1;
62 if (test__trunctfdf2(0x1.dedafcff354b6ae9758763545432p-9L,
63 UINT64_C(0x3f6dedafcff354b7)))
64 return 1;
65 if (test__trunctfdf2(0x1.2f34dd5f437e849b4baab754cdefp+4534L,
66 UINT64_C(0x7ff0000000000000)))
67 return 1;
68 if (test__trunctfdf2(0x1.edcbff8ad76ab5bf46463233214fp-435L,
69 UINT64_C(0x24cedcbff8ad76ab)))
70 return 1;
71
72 #else
73 printf("skipped\n");
74
75 #endif
76 return 0;
77 }
78