1// RUN: %clang_builtins %s %librt -o %t && %run %t
2// REQUIRES: librt_has_extenddftf2
3
4#include "int_lib.h"
5#include <stdio.h>
6
7#if __LDBL_MANT_DIG__ == 113
8
9#include "fp_test.h"
10
11COMPILER_RT_ABI long double __extenddftf2(double a);
12
13int test__extenddftf2(double a, uint64_t expectedHi, uint64_t expectedLo)
14{
15 long double x = __extenddftf2(a);
16 int ret = compareResultLD(x, expectedHi, expectedLo);
17
18 if (ret){
19 printf("error in test__extenddftf2(%f) = %.20Lf, "
20 "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
21 }
22 return ret;
23}
24
25char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
26
27#endif
28
29int main()
30{
31#if __LDBL_MANT_DIG__ == 113
32 // qNaN
33 if (test__extenddftf2(makeQNaN64(),
34 UINT64_C(0x7fff800000000000),
35 UINT64_C(0x0)))
36 return 1;
37 // NaN
38 if (test__extenddftf2(makeNaN64(UINT64_C(0x7100000000000)),
39 UINT64_C(0x7fff710000000000),
40 UINT64_C(0x0)))
41 return 1;
42 // inf
43 if (test__extenddftf2(makeInf64(),
44 UINT64_C(0x7fff000000000000),
45 UINT64_C(0x0)))
46 return 1;
47 // zero
48 if (test__extenddftf2(0.0, UINT64_C(0x0), UINT64_C(0x0)))
49 return 1;
50
51 if (test__extenddftf2(0x1.23456789abcdefp+5,
52 UINT64_C(0x400423456789abcd),
53 UINT64_C(0xf000000000000000)))
54 return 1;
55 if (test__extenddftf2(0x1.edcba987654321fp-9,
56 UINT64_C(0x3ff6edcba9876543),
57 UINT64_C(0x2000000000000000)))
58 return 1;
59 if (test__extenddftf2(0x1.23456789abcdefp+45,
60 UINT64_C(0x402c23456789abcd),
61 UINT64_C(0xf000000000000000)))
62 return 1;
63 if (test__extenddftf2(0x1.edcba987654321fp-45,
64 UINT64_C(0x3fd2edcba9876543),
65 UINT64_C(0x2000000000000000)))
66 return 1;
67
68#else
69 printf("skipped\n");
70
71#endif
72 return 0;
73}
74