1//===--------------- divtf3_test.c - Test __divtf3 ------------------------===//
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 __divtf3 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 __divtf3(long double a, long double b);
23
24int test__divtf3(long double a, long double b,
25                 uint64_t expectedHi, uint64_t expectedLo)
26{
27    long double x = __divtf3(a, b);
28    int ret = compareResultLD(x, expectedHi, expectedLo);
29
30    if (ret){
31        printf("error in test__divtf3(%.20Lf, %.20Lf) = %.20Lf, "
32               "expected %.20Lf\n", a, b, x,
33               fromRep128(expectedHi, expectedLo));
34    }
35    return ret;
36}
37
38char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
39
40#endif
41
42int main()
43{
44#if __LDBL_MANT_DIG__ == 113
45    // qNaN / any = qNaN
46    if (test__divtf3(makeQNaN128(),
47                     0x1.23456789abcdefp+5L,
48                     UINT64_C(0x7fff800000000000),
49                     UINT64_C(0x0)))
50        return 1;
51    // NaN / any = NaN
52    if (test__divtf3(makeNaN128(UINT64_C(0x800030000000)),
53                     0x1.23456789abcdefp+5L,
54                     UINT64_C(0x7fff800000000000),
55                     UINT64_C(0x0)))
56        return 1;
57    // inf / any = inf
58    if (test__divtf3(makeInf128(),
59                     0x1.23456789abcdefp+5L,
60                     UINT64_C(0x7fff000000000000),
61                     UINT64_C(0x0)))
62        return 1;
63    // any / any
64    if (test__divtf3(0x1.a23b45362464523375893ab4cdefp+5L,
65                     0x1.eedcbaba3a94546558237654321fp-1L,
66                     UINT64_C(0x4004b0b72924d407),
67                     UINT64_C(0x0717e84356c6eba2)))
68        return 1;
69    if (test__divtf3(0x1.a2b34c56d745382f9abf2c3dfeffp-50L,
70                     0x1.ed2c3ba15935332532287654321fp-9L,
71                     UINT64_C(0x3fd5b2af3f828c9b),
72                     UINT64_C(0x40e51f64cde8b1f2)))
73        return 15;
74    if (test__divtf3(0x1.2345f6aaaa786555f42432abcdefp+456L,
75                     0x1.edacbba9874f765463544dd3621fp+6400L,
76                     UINT64_C(0x28c62e15dc464466),
77                     UINT64_C(0xb5a07586348557ac)))
78        return 1;
79    if (test__divtf3(0x1.2d3456f789ba6322bc665544edefp-234L,
80                     0x1.eddcdba39f3c8b7a36564354321fp-4455L,
81                     UINT64_C(0x507b38442b539266),
82                     UINT64_C(0x22ce0f1d024e1252)))
83        return 1;
84    if (test__divtf3(0x1.2345f6b77b7a8953365433abcdefp+234L,
85                     0x1.edcba987d6bb3aa467754354321fp-4055L,
86                     UINT64_C(0x50bf2e02f0798d36),
87                     UINT64_C(0x5e6fcb6b60044078)))
88        return 1;
89
90#else
91    printf("skipped\n");
92
93#endif
94    return 0;
95}
96