llvm-project/compiler-rt/test/Unit/negdf2vfp_test.c

47 lines
1.1 KiB
C

//===-- negdf2vfp_test.c - Test __negdf2vfp -------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __negdf2vfp for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
extern double __negdf2vfp(double a);
#if __arm__
int test__negdf2vfp(double a)
{
double actual = __negdf2vfp(a);
double expected = -a;
if (actual != expected)
printf("error in test__negdf2vfp(%f) = %f, expected %f\n",
a, actual, expected);
return actual != expected;
}
#endif
int main()
{
#if __arm__
if (test__negdf2vfp(1.0))
return 1;
if (test__negdf2vfp(HUGE_VALF))
return 1;
if (test__negdf2vfp(0.0))
return 1;
if (test__negdf2vfp(-1.0))
return 1;
#endif
return 0;
}