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Joerg Sonnenberger65301492014-04-01 13:42:56 +00001//===------------ letf2_test.c - Test __letf2------------------------------===//
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 __letf2 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include <stdio.h>
15
16#if __LP64__ && __LDBL_MANT_DIG__ == 113
17
18#include "fp_test.h"
19
20int __letf2(long double a, long double b);
21
22int test__letf2(long double a, long double b, enum EXPECTED_RESULT expected)
23{
24 int x = __letf2(a, b);
25 int ret = compareResultCMP(x, expected);
26
27 if (ret){
28 printf("error in test__letf2(%.20Lf, %.20Lf) = %d, "
29 "expected %s\n", a, b, x, expectedStr(expected));
30 }
31 return ret;
32}
33
34char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
35
36#endif
37
38int main()
39{
40#if __LP64__ && __LDBL_MANT_DIG__ == 113
41 // NaN
42 if (test__letf2(makeQNaN128(),
43 0x1.234567890abcdef1234567890abcp+3L,
44 GREATER_0))
45 return 1;
46 // <
47 // exp
48 if (test__letf2(0x1.234567890abcdef1234567890abcp-3L,
49 0x1.234567890abcdef1234567890abcp+3L,
50 LESS_EQUAL_0))
51 return 1;
52 // mantissa
53 if (test__letf2(0x1.234567890abcdef1234567890abcp+3L,
54 0x1.334567890abcdef1234567890abcp+3L,
55 LESS_EQUAL_0))
56 return 1;
57 // sign
58 if (test__letf2(-0x1.234567890abcdef1234567890abcp+3L,
59 0x1.234567890abcdef1234567890abcp+3L,
60 LESS_EQUAL_0))
61 return 1;
62 // ==
63 if (test__letf2(0x1.234567890abcdef1234567890abcp+3L,
64 0x1.234567890abcdef1234567890abcp+3L,
65 LESS_EQUAL_0))
66 return 1;
67 // >
68 // exp
69 if (test__letf2(0x1.234567890abcdef1234567890abcp+3L,
70 0x1.234567890abcdef1234567890abcp-3L,
71 GREATER_0))
72 return 1;
73 // mantissa
74 if (test__letf2(0x1.334567890abcdef1234567890abcp+3L,
75 0x1.234567890abcdef1234567890abcp+3L,
76 GREATER_0))
77 return 1;
78 // sign
79 if (test__letf2(0x1.234567890abcdef1234567890abcp+3L,
80 -0x1.234567890abcdef1234567890abcp+3L,
81 GREATER_0))
82 return 1;
83
84#else
85 printf("skipped\n");
86
87#endif
88 return 0;
89}