1 //===--------------- extenddftf2_test.c - Test __extenddftf2 --------------===//
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 __extenddftf2 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 __extenddftf2(double a);
22
test__extenddftf2(double a,uint64_t expectedHi,uint64_t expectedLo)23 int test__extenddftf2(double a, uint64_t expectedHi, uint64_t expectedLo)
24 {
25 long double x = __extenddftf2(a);
26 int ret = compareResultLD(x, expectedHi, expectedLo);
27
28 if (ret){
29 printf("error in test__extenddftf2(%f) = %.20Lf, "
30 "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
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__extenddftf2(makeQNaN64(),
44 UINT64_C(0x7fff800000000000),
45 UINT64_C(0x0)))
46 return 1;
47 // NaN
48 if (test__extenddftf2(makeNaN64(UINT64_C(0x7100000000000)),
49 UINT64_C(0x7fff710000000000),
50 UINT64_C(0x0)))
51 return 1;
52 // inf
53 if (test__extenddftf2(makeInf64(),
54 UINT64_C(0x7fff000000000000),
55 UINT64_C(0x0)))
56 return 1;
57 // zero
58 if (test__extenddftf2(0.0, UINT64_C(0x0), UINT64_C(0x0)))
59 return 1;
60
61 if (test__extenddftf2(0x1.23456789abcdefp+5,
62 UINT64_C(0x400423456789abcd),
63 UINT64_C(0xf000000000000000)))
64 return 1;
65 if (test__extenddftf2(0x1.edcba987654321fp-9,
66 UINT64_C(0x3ff6edcba9876543),
67 UINT64_C(0x2000000000000000)))
68 return 1;
69 if (test__extenddftf2(0x1.23456789abcdefp+45,
70 UINT64_C(0x402c23456789abcd),
71 UINT64_C(0xf000000000000000)))
72 return 1;
73 if (test__extenddftf2(0x1.edcba987654321fp-45,
74 UINT64_C(0x3fd2edcba9876543),
75 UINT64_C(0x2000000000000000)))
76 return 1;
77
78 #else
79 printf("skipped\n");
80
81 #endif
82 return 0;
83 }
84