Home | History | Annotate | Download | only in Unit
      1 //===--------------- fixunstfsi_test.c - Test __fixunstfsi ----------------===//
      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 __fixunstfsi 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 unsigned int __fixunstfsi(long double a);
     21 
     22 int test__fixunstfsi(long double a, unsigned int expected)
     23 {
     24     unsigned int x = __fixunstfsi(a);
     25     int ret = (x != expected);
     26 
     27     if (ret)
     28     {
     29         printf("error in test__fixunstfsi(%.20Lf) = %u, "
     30                "expected %u\n", a, x, expected);
     31     }
     32     return ret;
     33 }
     34 
     35 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
     36 
     37 #endif
     38 
     39 int main()
     40 {
     41 #if __LDBL_MANT_DIG__ == 113
     42     if (test__fixunstfsi(makeInf128(), UINT32_C(0xffffffff)))
     43         return 1;
     44     if (test__fixunstfsi(0, UINT32_C(0x0)))
     45         return 1;
     46     if (test__fixunstfsi(0x1.23456789abcdefp+5, UINT32_C(0x24)))
     47         return 1;
     48     if (test__fixunstfsi(0x1.23456789abcdefp-3, UINT32_C(0x0)))
     49         return 1;
     50     if (test__fixunstfsi(0x1.23456789abcdefp+20, UINT32_C(0x123456)))
     51         return 1;
     52     if (test__fixunstfsi(0x1.23456789abcdefp+40, UINT32_C(0xffffffff)))
     53         return 1;
     54     if (test__fixunstfsi(0x1.23456789abcdefp+256, UINT32_C(0xffffffff)))
     55         return 1;
     56     if (test__fixunstfsi(-0x1.23456789abcdefp+3, UINT32_C(0x0)))
     57         return 1;
     58 
     59     if (test__fixunstfsi(0x1.p+32, 0xFFFFFFFFLL))
     60         return 1;
     61 
     62 #else
     63     printf("skipped\n");
     64 
     65 #endif
     66     return 0;
     67 }
     68