/* Single-precision floating point square root wrapper. Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include "math.h" #include "math_private.h" #include #include #include #ifdef __STDC__ float __sqrtf (float x) /* wrapper sqrtf */ #else float __sqrtf (x) /* wrapper sqrtf */ float x; #endif { #ifdef _IEEE_LIBM return __ieee754_sqrtf (x); #else float z; z = __ieee754_sqrtf (x); if (_LIB_VERSION == _IEEE_ || (x != x)) return z; if (x < (float) 0.0) /* sqrtf(negative) */ return (float) __kernel_standard ((double) x, (double) x, 126); else return z; #endif } weak_alias (__sqrtf, sqrtf)