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/* vi: set sw=4 ts=4: */

/* sqrtf for uClibc

 *

 * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Library General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or (at your

 * option) any later version.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License

 * for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this program; if not, write to the Free Software Foundation,

 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 */

/*

 * wrapper for sqrt(x)

 */

#include "math.h"

#include "math_private.h"

#ifdef __STDC__

        float sqrtf(float x)            /* wrapper sqrt */

#else

        float sqrtf(x)                  /* wrapper sqrt */

        float x;

#endif

{

#ifdef _IEEE_LIBM

        return __ieee754_sqrt(x);

#else

        float z;

        z = __ieee754_sqrt(x);

        if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;

        if(x<0.0) {

            return __kernel_standard(x,x,26); /* sqrt(negative) */

        } else

            return z;

#endif

}