llvm-project/compiler-rt/test/Unit/fixdfsivfp_test.c

49 lines
1.1 KiB
C

//===-- fixdfsivfp_test.c - Test __fixdfsivfp -----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __fixdfsivfp for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
extern int __fixdfsivfp(double a);
#if __arm__
int test__fixdfsivfp(double a)
{
int actual = __fixdfsivfp(a);
int expected = a;
if (actual != expected)
printf("error in test__fixdfsivfp(%f) = %d, expected %d\n",
a, actual, expected);
return actual != expected;
}
#endif
int main()
{
#if __arm__
if (test__fixdfsivfp(0.0))
return 1;
if (test__fixdfsivfp(1.0))
return 1;
if (test__fixdfsivfp(-1.0))
return 1;
if (test__fixdfsivfp(2147483647))
return 1;
if (test__fixdfsivfp(-2147483648.0))
return 1;
#endif
return 0;
}