1//===--------------- addtf3_test.c - Test __addtf3 ------------------------===//
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 __addtf3 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// Returns: a + b
22COMPILER_RT_ABI long double __addtf3(long double a, long double b);
23
24int test__addtf3(long double a, long double b,
25                 uint64_t expectedHi, uint64_t expectedLo)
26{
27    long double x = __addtf3(a, b);
28    int ret = compareResultLD(x, expectedHi, expectedLo);
29
30    if (ret){
31        printf("error in test__addtf3(%.20Lf, %.20Lf) = %.20Lf, "
32               "expected %.20Lf\n", a, b, x,
33               fromRep128(expectedHi, expectedLo));
34    }
35
36    return ret;
37}
38
39char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
40
41#endif
42
43int main()
44{
45#if __LDBL_MANT_DIG__ == 113
46    // qNaN + any = qNaN
47    if (test__addtf3(makeQNaN128(),
48                     0x1.23456789abcdefp+5L,
49                     UINT64_C(0x7fff800000000000),
50                     UINT64_C(0x0)))
51        return 1;
52    // NaN + any = NaN
53    if (test__addtf3(makeNaN128(UINT64_C(0x800030000000)),
54                     0x1.23456789abcdefp+5L,
55                     UINT64_C(0x7fff800000000000),
56                     UINT64_C(0x0)))
57        return 1;
58    // inf + inf = inf
59    if (test__addtf3(makeInf128(),
60                     makeInf128(),
61                     UINT64_C(0x7fff000000000000),
62                     UINT64_C(0x0)))
63        return 1;
64    // inf + any = inf
65    if (test__addtf3(makeInf128(),
66                     0x1.2335653452436234723489432abcdefp+5L,
67                     UINT64_C(0x7fff000000000000),
68                     UINT64_C(0x0)))
69        return 1;
70    // any + any
71    if (test__addtf3(0x1.23456734245345543849abcdefp+5L,
72                     0x1.edcba52449872455634654321fp-1L,
73                     UINT64_C(0x40042afc95c8b579),
74                     UINT64_C(0x61e58dd6c51eb77c)))
75        return 1;
76
77#else
78    printf("skipped\n");
79
80#endif
81    return 0;
82}
83