flint-sys 0.9.0

Bindings to the FLINT C library
Documentation 
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/*
    Copyright (C) 2009 William Hart

    This file is part of FLINT.

    FLINT is free software: you can redistribute it and/or modify it under
    the terms of the GNU Lesser General Public License (LGPL) as published
    by the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.  See <https://www.gnu.org/licenses/>.
*/

#include <math.h>
#include "ulong_extras.h"

ulong n_sqrtrem(ulong * r, ulong a)
{
    ulong is;

    is = (ulong) sqrt((double) a);

    is -= (is*is > a);
#if FLINT64
    if (is == UWORD(4294967296)) is--;
#endif
    (*r) = a - is*is;

    return is;
}