charconv/config/has_float128.cpp

// Copyright 2023 Matt Borland
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt

#include <quadmath.h>

int main()
{
    __float128 f = -2.0Q;
    f = fabsq(f);
    __float128 big = HUGE_VALQ;

    return f == big;
}