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1 //===--------------- fixtfti_test.c - Test __fixtfti ----------------------===//
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 __fixtfti 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 ti_int __fixtfti(long double a);
22
23 int test__fixtfti(long double a, ti_int expected)
24 {
25 ti_int x = __fixtfti(a);
26 int ret = (x != expected);
27
28 if (ret)
29 {
30 twords xt;
31 xt.all = x;
32
33 twords expectedt;
34 expectedt.all = expected;
35
36 printf("error in test__fixtfti(%.20Lf) = 0x%.16llX%.16llX, "
37 "expected 0x%.16llX%.16llX\n",
38 a, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
39 }
40 return ret;
41 }
42
43 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
44
45 #endif
46
47 int main()
48 {
49 #if __LDBL_MANT_DIG__ == 113
50 if (test__fixtfti(makeInf128(), make_ti(0x7fffffffffffffffLL,
51 0xffffffffffffffffLL)))
52 return 1;
53 if (test__fixtfti(0, make_ti(0x0LL, 0x0LL)))
54 return 1;
55 if (test__fixtfti(0x1.23456789abcdefp+5L, make_ti(0x0LL, 0x24LL)))
56 return 1;
57 if (test__fixtfti(0x1.23456789abcdefp-3L, make_ti(0x0LL, 0x0LL)))
58 return 1;
59 if (test__fixtfti(0x1.23456789abcdef12345678p+20L,
60 make_ti(0x0LL, 0x123456LL)))
61 return 1;
62 if (test__fixtfti(0x1.23456789abcdef123456789abcdep+112L,
63 make_ti(0x123456789abcdLL, 0xef123456789abcdeLL)))
64 return 1;
65 if (test__fixtfti(-0x1.23456789abcdef123456789abcdep+112L,
66 make_ti(0xFFFEDCBA98765432LL, 0x10EDCBA987654322LL)))
67 return 1;
68 if (test__fixtfti(0x1.23456789abcdefp+256L, make_ti(0x7fffffffffffffffLL,
69 0xffffffffffffffffLL)))
70 return 1;
71 if (test__fixtfti(-0x1.23456789abcdefp+20L, make_ti(0xffffffffffffffffLL,
72 0xffffffffffedcbaaLL)))
73 return 1;
74 if (test__fixtfti(-0x1.23456789abcdefp+256L, make_ti(0x8000000000000000LL,
75 0x0)))
76 return 1;
77
78 #else
79 printf("skipped\n");
80
81 #endif
82 return 0;
83 }