1 //===--------------- trunctfsf2_test.c - Test __trunctfsf2 ----------------===//
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 __trunctfsf2 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 float __trunctfsf2(long double a);
22
test__trunctfsf2(long double a,uint32_t expected)23 int test__trunctfsf2(long double a, uint32_t expected)
24 {
25 float x = __trunctfsf2(a);
26 int ret = compareResultF(x, expected);
27
28 if (ret){
29 printf("error in test__trunctfsf2(%.20Lf) = %f, "
30 "expected %f\n", a, x, fromRep32(expected));
31 }
32 return ret;
33 }
34
35 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
36
37 #endif
38
main()39 int main()
40 {
41 #if __LDBL_MANT_DIG__ == 113
42 // qNaN
43 if (test__trunctfsf2(makeQNaN128(),
44 UINT32_C(0x7fc00000)))
45 return 1;
46 // NaN
47 if (test__trunctfsf2(makeNaN128(UINT64_C(0x810000000000)),
48 UINT32_C(0x7fc08000)))
49 return 1;
50 // inf
51 if (test__trunctfsf2(makeInf128(),
52 UINT32_C(0x7f800000)))
53 return 1;
54 // zero
55 if (test__trunctfsf2(0.0L, UINT32_C(0x0)))
56 return 1;
57
58 if (test__trunctfsf2(0x1.23a2abb4a2ddee355f36789abcdep+5L,
59 UINT32_C(0x4211d156)))
60 return 1;
61 if (test__trunctfsf2(0x1.e3d3c45bd3abfd98b76a54cc321fp-9L,
62 UINT32_C(0x3b71e9e2)))
63 return 1;
64 if (test__trunctfsf2(0x1.234eebb5faa678f4488693abcdefp+4534L,
65 UINT32_C(0x7f800000)))
66 return 1;
67 if (test__trunctfsf2(0x1.edcba9bb8c76a5a43dd21f334634p-435L,
68 UINT32_C(0x0)))
69 return 1;
70
71 #else
72 printf("skipped\n");
73
74 #endif
75 return 0;
76 }
77