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      1 //===--------------- fixtfdi_test.c - Test __fixtfdi ----------------------===//
      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 __fixtfdi 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 di_int __fixtfdi(long double a);
     22 
     23 int test__fixtfdi(long double a, di_int expected)
     24 {
     25     di_int x = __fixtfdi(a);
     26     int ret = (x != expected);
     27 
     28     if (ret)
     29     {
     30         printf("error in test__fixtfdi(%.20Lf) = %llX, "
     31                "expected %llX\n", a, x, expected);
     32     }
     33     return ret;
     34 }
     35 
     36 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
     37 
     38 #endif
     39 
     40 int main()
     41 {
     42 #if __LDBL_MANT_DIG__ == 113
     43     if (test__fixtfdi(makeInf128(), 0x7fffffffffffffffLL))
     44         return 1;
     45     if (test__fixtfdi(0, 0x0))
     46         return 1;
     47     if (test__fixtfdi(0x1.23456789abcdefp+5L, 0x24LL))
     48         return 1;
     49     if (test__fixtfdi(0x1.23456789abcdefp-3L, 0x0LL))
     50         return 1;
     51     if (test__fixtfdi(0x1.23456789abcdef12345678p+20L, 0x123456LL))
     52         return 1;
     53     if (test__fixtfdi(0x1.23456789abcdef12345678p+40L, 0x123456789abLL))
     54         return 1;
     55     if (test__fixtfdi(0x1.23456789abcdef12345678p+60L, 0x123456789abcdef1LL))
     56         return 1;
     57     if (test__fixtfdi(0x1.23456789abcdefp+256L, 0x7fffffffffffffffLL))
     58         return 1;
     59     if (test__fixtfdi(-0x1.23456789abcdefp+20L, 0xffffffffffedcbaaLL))
     60         return 1;
     61     if (test__fixtfdi(-0x1.23456789abcdefp+40L, 0xfffffedcba987655LL))
     62         return 1;
     63     if (test__fixtfdi(-0x1.23456789abcdefp+256L, 0x8000000000000000LL))
     64         return 1;
     65 
     66 #else
     67     printf("skipped\n");
     68 
     69 #endif
     70     return 0;
     71 }
     72