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//===-- aeabi_drsub.c - Test __aeabi_drsub --------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __aeabi_drsub for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#if __arm__
extern __attribute__((pcs("aapcs"))) double __aeabi_drsub(double a, double b);
int test__aeabi_drsub(double a, double b, double expected)
{
double actual = __aeabi_drsub(a, b);
if (actual != expected)
printf("error in __aeabi_drsub(%f, %f) = %f, expected %f\n",
a, b, actual, expected);
return actual != expected;
}
#endif
int main()
{
#if __arm__
if (test__aeabi_drsub(1.0, 1.0, 0.0))
return 1;
if (test__aeabi_drsub(1234.567, 765.4321, -469.134900))
return 1;
if (test__aeabi_drsub(-123.0, -678.0, -555.0))
return 1;
if (test__aeabi_drsub(0.0, -0.0, 0.0))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}
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