Home | History | Annotate | Download | only in Unit
      1 //===--------------- floatsitf_test.c - Test __floatsitf ------------------===//
      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 __floatsitf 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 long COMPILER_RT_ABI double __floatsitf(int a);
     22 
     23 int test__floatsitf(int a, uint64_t expectedHi, uint64_t expectedLo)
     24 {
     25     long double x = __floatsitf(a);
     26     int ret = compareResultLD(x, expectedHi, expectedLo);
     27 
     28     if (ret)
     29     {
     30         printf("error in test__floatsitf(%d) = %.20Lf, "
     31                "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
     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__floatsitf(0x80000000, UINT64_C(0xc01e000000000000), UINT64_C(0x0)))
     44         return 1;
     45     if (test__floatsitf(0x7fffffff, UINT64_C(0x401dfffffffc0000), UINT64_C(0x0)))
     46         return 1;
     47     if (test__floatsitf(0, UINT64_C(0x0), UINT64_C(0x0)))
     48         return 1;
     49     if (test__floatsitf(0xffffffff, UINT64_C(0xbfff000000000000), UINT64_C(0x0)))
     50         return 1;
     51     if (test__floatsitf(0x12345678, UINT64_C(0x401b234567800000), UINT64_C(0x0)))
     52         return 1;
     53     if (test__floatsitf(-0x12345678, UINT64_C(0xc01b234567800000), UINT64_C(0x0)))
     54         return 1;
     55 
     56 #else
     57     printf("skipped\n");
     58 
     59 #endif
     60     return 0;
     61 }
     62