llvm-project/compiler-rt/test/Unit/subsf3vfp_test.c

47 lines
1.1 KiB
C

//===-- subsf3vfp_test.c - Test __subsf3vfp -------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __subsf3vfp for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
extern float __subsf3vfp(float a, float b);
#if __arm__
int test__subsf3vfp(float a, float b)
{
float actual = __subsf3vfp(a, b);
float expected = a - b;
if (actual != expected)
printf("error in test__subsf3vfp(%f, %f) = %f, expected %f\n",
a, b, actual, expected);
return actual != expected;
}
#endif
int main()
{
#if __arm__
if (test__subsf3vfp(1.0, 1.0))
return 1;
if (test__subsf3vfp(1234.567, 765.4321))
return 1;
if (test__subsf3vfp(-123.0, -678.0))
return 1;
if (test__subsf3vfp(0.0, -0.0))
return 1;
#endif
return 0;
}