compiler-rt/test/builtins/Unit/truncdfsf2_test.c

//===--------------- truncdfsf2_test.c - Test __truncdfsf2 ----------------===//
//
//                     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 __truncdfsf2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//

#include <stdio.h>

#include "fp_test.h"

float __truncdfsf2(double a);

int test__truncdfsf2(double a)
{
    float actual = __truncdfsf2(a);
    float expected = a;

    if (actual != expected) {
        printf("error in test__truncdfsf2(%lf) = %f, "
               "expected %f\n", a, actual, expected);
        return 1;
    }
    return 0;
}

int main()
{
    if (test__truncdfsf2(340282366920938463463374607431768211456.0))
        return 1;
    return 0;
}