blob: 3cd1ebf78b8ffca9984e7cbfe6b895a4ac37b703 [file] [log] [blame]
Weiming Zhao9b7bbec2017-03-21 05:32:51 +00001// RUN: %clang_builtins %s %librt -o %t && %run %t
Sergey Dmitrouk195f3a12015-11-05 18:36:42 +00002//===--------------- fixtfdi_test.c - Test __fixtfdi ----------------------===//
3//
4// The LLVM Compiler Infrastructure
5//
6// This file is dual licensed under the MIT and the University of Illinois Open
7// Source Licenses. See LICENSE.TXT for details.
8//
9//===----------------------------------------------------------------------===//
10//
11// This file tests __fixtfdi for the compiler_rt library.
12//
13//===----------------------------------------------------------------------===//
14
15#include "int_lib.h"
16#include <stdio.h>
17
18#if __LDBL_MANT_DIG__ == 113
19
20#include "fp_test.h"
21
22di_int __fixtfdi(long double a);
23
24int test__fixtfdi(long double a, di_int expected)
25{
26 di_int x = __fixtfdi(a);
27 int ret = (x != expected);
28
29 if (ret)
30 {
31 printf("error in test__fixtfdi(%.20Lf) = %llX, "
32 "expected %llX\n", a, x, expected);
33 }
34 return ret;
35}
36
37char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
38
39#endif
40
41int main()
42{
43#if __LDBL_MANT_DIG__ == 113
44 if (test__fixtfdi(makeInf128(), 0x7fffffffffffffffLL))
45 return 1;
46 if (test__fixtfdi(0, 0x0))
47 return 1;
48 if (test__fixtfdi(0x1.23456789abcdefp+5L, 0x24LL))
49 return 1;
50 if (test__fixtfdi(0x1.23456789abcdefp-3L, 0x0LL))
51 return 1;
52 if (test__fixtfdi(0x1.23456789abcdef12345678p+20L, 0x123456LL))
53 return 1;
54 if (test__fixtfdi(0x1.23456789abcdef12345678p+40L, 0x123456789abLL))
55 return 1;
56 if (test__fixtfdi(0x1.23456789abcdef12345678p+60L, 0x123456789abcdef1LL))
57 return 1;
58 if (test__fixtfdi(0x1.23456789abcdefp+256L, 0x7fffffffffffffffLL))
59 return 1;
60 if (test__fixtfdi(-0x1.23456789abcdefp+20L, 0xffffffffffedcbaaLL))
61 return 1;
62 if (test__fixtfdi(-0x1.23456789abcdefp+40L, 0xfffffedcba987655LL))
63 return 1;
64 if (test__fixtfdi(-0x1.23456789abcdefp+256L, 0x8000000000000000LL))
65 return 1;
66
67#else
68 printf("skipped\n");
69
70#endif
71 return 0;
72}