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 <stdio.h>
15
16 #if __LDBL_MANT_DIG__ == 113
17
18 #include "fp_test.h"
19
20 // Returns: a / b
21 long double __divtf3(long double a, long double b);
22
test__divtf3(long double a,long double b,uint64_t expectedHi,uint64_t expectedLo)23 int test__divtf3(long double a, long double b,
24 uint64_t expectedHi, uint64_t expectedLo)
25 {
26 long double x = __divtf3(a, b);
27 int ret = compareResultLD(x, expectedHi, expectedLo);
28
29 if (ret){
30 printf("error in test__divtf3(%.20Lf, %.20Lf) = %.20Lf, "
31 "expected %.20Lf\n", a, b, x,
32 fromRep128(expectedHi, expectedLo));
33 }
34 return ret;
35 }
36
37 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
38
39 #endif
40
main()41 int main()
42 {
43 #if __LDBL_MANT_DIG__ == 113
44 // qNaN / any = qNaN
45 if (test__divtf3(makeQNaN128(),
46 0x1.23456789abcdefp+5L,
47 UINT64_C(0x7fff800000000000),
48 UINT64_C(0x0)))
49 return 1;
50 // NaN / any = NaN
51 if (test__divtf3(makeNaN128(UINT64_C(0x800030000000)),
52 0x1.23456789abcdefp+5L,
53 UINT64_C(0x7fff800000000000),
54 UINT64_C(0x0)))
55 return 1;
56 // inf / any = inf
57 if (test__divtf3(makeInf128(),
58 0x1.23456789abcdefp+5L,
59 UINT64_C(0x7fff000000000000),
60 UINT64_C(0x0)))
61 return 1;
62 // any / any
63 if (test__divtf3(0x1.a23b45362464523375893ab4cdefp+5L,
64 0x1.eedcbaba3a94546558237654321fp-1L,
65 UINT64_C(0x4004b0b72924d407),
66 UINT64_C(0x0717e84356c6eba2)))
67 return 1;
68 if (test__divtf3(0x1.a2b34c56d745382f9abf2c3dfeffp-50L,
69 0x1.ed2c3ba15935332532287654321fp-9L,
70 UINT64_C(0x3fd5b2af3f828c9b),
71 UINT64_C(0x40e51f64cde8b1f2)))
72 return 15;
73 if (test__divtf3(0x1.2345f6aaaa786555f42432abcdefp+456L,
74 0x1.edacbba9874f765463544dd3621fp+6400L,
75 UINT64_C(0x28c62e15dc464466),
76 UINT64_C(0xb5a07586348557ac)))
77 return 1;
78 if (test__divtf3(0x1.2d3456f789ba6322bc665544edefp-234L,
79 0x1.eddcdba39f3c8b7a36564354321fp-4455L,
80 UINT64_C(0x507b38442b539266),
81 UINT64_C(0x22ce0f1d024e1252)))
82 return 1;
83 if (test__divtf3(0x1.2345f6b77b7a8953365433abcdefp+234L,
84 0x1.edcba987d6bb3aa467754354321fp-4055L,
85 UINT64_C(0x50bf2e02f0798d36),
86 UINT64_C(0x5e6fcb6b60044078)))
87 return 1;
88
89 #else
90 printf("skipped\n");
91
92 #endif
93 return 0;
94 }
95