1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_extendsftf2
3
4 #include "int_lib.h"
5 #include <stdio.h>
6
7 #if __LDBL_MANT_DIG__ == 113
8
9 #include "fp_test.h"
10
11 COMPILER_RT_ABI long double __extendsftf2(float a);
12
test__extendsftf2(float a,uint64_t expectedHi,uint64_t expectedLo)13 int test__extendsftf2(float a, uint64_t expectedHi, uint64_t expectedLo)
14 {
15 long double x = __extendsftf2(a);
16 int ret = compareResultLD(x, expectedHi, expectedLo);
17
18 if (ret)
19 {
20 printf("error in test__extendsftf2(%f) = %.20Lf, "
21 "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
22 }
23 return ret;
24 }
25
26 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
27
28 #endif
29
main()30 int main()
31 {
32 #if __LDBL_MANT_DIG__ == 113
33 // qNaN
34 if (test__extendsftf2(makeQNaN32(),
35 UINT64_C(0x7fff800000000000),
36 UINT64_C(0x0)))
37 return 1;
38 // NaN
39 if (test__extendsftf2(makeNaN32(UINT32_C(0x410000)),
40 UINT64_C(0x7fff820000000000),
41 UINT64_C(0x0)))
42 return 1;
43 // inf
44 if (test__extendsftf2(makeInf32(),
45 UINT64_C(0x7fff000000000000),
46 UINT64_C(0x0)))
47 return 1;
48 // zero
49 if (test__extendsftf2(0.0f, UINT64_C(0x0), UINT64_C(0x0)))
50 return 1;
51
52 if (test__extendsftf2(0x1.23456p+5f,
53 UINT64_C(0x4004234560000000),
54 UINT64_C(0x0)))
55 return 1;
56 if (test__extendsftf2(0x1.edcbap-9f,
57 UINT64_C(0x3ff6edcba0000000),
58 UINT64_C(0x0)))
59 return 1;
60 if (test__extendsftf2(0x1.23456p+45f,
61 UINT64_C(0x402c234560000000),
62 UINT64_C(0x0)))
63 return 1;
64 if (test__extendsftf2(0x1.edcbap-45f,
65 UINT64_C(0x3fd2edcba0000000),
66 UINT64_C(0x0)))
67 return 1;
68
69 #else
70 printf("skipped\n");
71
72 #endif
73 return 0;
74 }
75