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
21COMPILER_RT_ABI long double __extenddftf2(double a);
22
23int 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
35char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
36
37#endif
38
39int 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