llvm-project/compiler-rt/test/builtins/Unit/truncdfsf2vfp_test.c

53 lines
1.3 KiB
C

// RUN: %clang_builtins %s %librt -o %t && %run %t
//===-- truncdfsf2vfp_test.c - Test __truncdfsf2vfp -----------------------===//
//
// 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 __truncdfsf2vfp for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
extern COMPILER_RT_ABI float __truncdfsf2vfp(double a);
#if __arm__ && __VFP_FP__
int test__truncdfsf2vfp(double a)
{
float actual = __truncdfsf2vfp(a);
float expected = a;
if (actual != expected)
printf("error in test__truncdfsf2vfp(%f) = %f, expected %f\n",
a, actual, expected);
return actual != expected;
}
#endif
int main()
{
#if __arm__ && __VFP_FP__
if (test__truncdfsf2vfp(0.0))
return 1;
if (test__truncdfsf2vfp(1.0))
return 1;
if (test__truncdfsf2vfp(-1.0))
return 1;
if (test__truncdfsf2vfp(3.1415926535))
return 1;
if (test__truncdfsf2vfp(123.456))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}