ltdf2vfp_test.c
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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_ltdf2vfp
//===-- ltdf2vfp_test.c - Test __ltdf2vfp ---------------------------------===//
//
// 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 __ltdf2vfp for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <math.h>
extern int __ltdf2vfp(double a, double b);
#if __arm__ && __VFP_FP__
int test__ltdf2vfp(double a, double b)
{
int actual = __ltdf2vfp(a, b);
int expected = (a < b) ? 1 : 0;
if (actual != expected)
printf("error in __ltdf2vfp(%f, %f) = %d, expected %d\n",
a, b, actual, expected);
return actual != expected;
}
#endif
int main()
{
#if __arm__ && __VFP_FP__
if (test__ltdf2vfp(0.0, 0.0))
return 1;
if (test__ltdf2vfp(1.0, 1.0))
return 1;
if (test__ltdf2vfp(-1.0, -1.0))
return 1;
if (test__ltdf2vfp(HUGE_VAL, 1.0))
return 1;
if (test__ltdf2vfp(1.0, HUGE_VAL))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}