/* vi: set sw=4 ts=4: */
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/* vi: set sw=4 ts=4: */
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/* sqrtf for uClibc
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/* sqrtf for uClibc
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*
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*
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* Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
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* Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify it
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Library General Public License as published by
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* under the terms of the GNU Library General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at your
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* the Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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* option) any later version.
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*
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
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* for more details.
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* for more details.
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*
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*
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* You should have received a copy of the GNU Library General Public License
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* You should have received a copy of the GNU Library General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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*/
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/*
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/*
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* wrapper for sqrt(x)
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* wrapper for sqrt(x)
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*/
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*/
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#include "math.h"
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#include "math.h"
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#include "math_private.h"
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#include "math_private.h"
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#ifdef __STDC__
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#ifdef __STDC__
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float sqrtf(float x) /* wrapper sqrt */
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float sqrtf(float x) /* wrapper sqrt */
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#else
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#else
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float sqrtf(x) /* wrapper sqrt */
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float sqrtf(x) /* wrapper sqrt */
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float x;
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float x;
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#endif
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#endif
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{
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{
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#ifdef _IEEE_LIBM
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#ifdef _IEEE_LIBM
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return __ieee754_sqrt(x);
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return __ieee754_sqrt(x);
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#else
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#else
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float z;
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float z;
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z = __ieee754_sqrt(x);
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z = __ieee754_sqrt(x);
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if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
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if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
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if(x<0.0) {
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if(x<0.0) {
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return __kernel_standard(x,x,26); /* sqrt(negative) */
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return __kernel_standard(x,x,26); /* sqrt(negative) */
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} else
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} else
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return z;
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return z;
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#endif
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#endif
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}
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}
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