1 //===--------------- extendsftf2_test.c - Test __extendsftf2 --------------===//
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 __extendsftf2 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 long double __extendsftf2(float a);
22
test__extendsftf2(float a,uint64_t expectedHi,uint64_t expectedLo)23 int test__extendsftf2(float a, uint64_t expectedHi, uint64_t expectedLo)
24 {
25 long double x = __extendsftf2(a);
26 int ret = compareResultLD(x, expectedHi, expectedLo);
27
28 if (ret)
29 {
30 printf("error in test__extendsftf2(%f) = %.20Lf, "
31 "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
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__extendsftf2(makeQNaN32(),
45 UINT64_C(0x7fff800000000000),
46 UINT64_C(0x0)))
47 return 1;
48 // NaN
49 if (test__extendsftf2(makeNaN32(UINT32_C(0x410000)),
50 UINT64_C(0x7fff820000000000),
51 UINT64_C(0x0)))
52 return 1;
53 // inf
54 if (test__extendsftf2(makeInf32(),
55 UINT64_C(0x7fff000000000000),
56 UINT64_C(0x0)))
57 return 1;
58 // zero
59 if (test__extendsftf2(0.0f, UINT64_C(0x0), UINT64_C(0x0)))
60 return 1;
61
62 if (test__extendsftf2(0x1.23456p+5f,
63 UINT64_C(0x4004234560000000),
64 UINT64_C(0x0)))
65 return 1;
66 if (test__extendsftf2(0x1.edcbap-9f,
67 UINT64_C(0x3ff6edcba0000000),
68 UINT64_C(0x0)))
69 return 1;
70 if (test__extendsftf2(0x1.23456p+45f,
71 UINT64_C(0x402c234560000000),
72 UINT64_C(0x0)))
73 return 1;
74 if (test__extendsftf2(0x1.edcbap-45f,
75 UINT64_C(0x3fd2edcba0000000),
76 UINT64_C(0x0)))
77 return 1;
78
79 #else
80 printf("skipped\n");
81
82 #endif
83 return 0;
84 }
85