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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_subsf3vfp
//===-- subsf3vfp_test.c - Test __subsf3vfp -------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file tests __subsf3vfp for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
extern COMPILER_RT_ABI float __subsf3vfp(float a, float b);
#if __arm__ && __VFP_FP__
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__ && __VFP_FP__
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;
#else
printf("skipped\n");
#endif
return 0;
}
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