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      1 //===--------------- extendsftf2_test.c - Test __extendsftf2 --------------===//
      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 __extendsftf2 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 COMPILER_RT_ABI long double __extendsftf2(float a);
     22 
     23 int test__extendsftf2(float a, uint64_t expectedHi, uint64_t expectedLo)
     24 {
     25     long double x = __extendsftf2(a);
     26     int ret = compareResultLD(x, expectedHi, expectedLo);
     27 
     28     if (ret)
     29     {
     30         printf("error in test__extendsftf2(%f) = %.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     // qNaN
     44     if (test__extendsftf2(makeQNaN32(),
     45                           UINT64_C(0x7fff800000000000),
     46                           UINT64_C(0x0)))
     47         return 1;
     48     // NaN
     49     if (test__extendsftf2(makeNaN32(UINT32_C(0x410000)),
     50                           UINT64_C(0x7fff820000000000),
     51                           UINT64_C(0x0)))
     52         return 1;
     53     // inf
     54     if (test__extendsftf2(makeInf32(),
     55                           UINT64_C(0x7fff000000000000),
     56                           UINT64_C(0x0)))
     57         return 1;
     58     // zero
     59     if (test__extendsftf2(0.0f, UINT64_C(0x0), UINT64_C(0x0)))
     60         return 1;
     61 
     62     if (test__extendsftf2(0x1.23456p+5f,
     63                           UINT64_C(0x4004234560000000),
     64                           UINT64_C(0x0)))
     65         return 1;
     66     if (test__extendsftf2(0x1.edcbap-9f,
     67                           UINT64_C(0x3ff6edcba0000000),
     68                           UINT64_C(0x0)))
     69         return 1;
     70     if (test__extendsftf2(0x1.23456p+45f,
     71                           UINT64_C(0x402c234560000000),
     72                           UINT64_C(0x0)))
     73         return 1;
     74     if (test__extendsftf2(0x1.edcbap-45f,
     75                           UINT64_C(0x3fd2edcba0000000),
     76                           UINT64_C(0x0)))
     77         return 1;
     78 
     79 #else
     80     printf("skipped\n");
     81 
     82 #endif
     83     return 0;
     84 }
     85