text: /* Copyright (C) 2011-2019 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
     Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
  
     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, see
     <http://www.gnu.org/licenses/>.  */
  
  #define NO_MATH_REDIRECT
  #include <libm-alias-float.h>
  #include <math-svid-compat.h>
  #include <math.h>
  #include <math_private.h>
  
  #if LIBM_SVID_COMPAT
  /* wrapper sqrtf */
  float __sqrtf(float x)
  {
      if (__builtin_expect(isless(x, 0.0f), 0) && _LIB_VERSION != _IEEE_)
          return __kernel_standard_f(x, x, 126); /* sqrt(negative) */
  
      return __ieee754_sqrtf(x);
  }
  libm_alias_float(__sqrt, sqrt)
  #endif
  