libm/nds32/e_sqrt.c

   1 /*
   2  * Copyright (C) 2016-2017 Andes Technology, Inc.
   3  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   4  */
   5
   6 /* Copyright (C) 2002-2013 Free Software Foundation, Inc.
   7
   8    The GNU C Library is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU Lesser General Public
  10    License as published by the Free Software Foundation; either
  11    version 2.1 of the License, or (at your option) any later version.
  12
  13    The GNU C Library is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    Lesser General Public License for more details.
  17
  18    You should have received a copy of the GNU Lesser General Public
  19    License along with the GNU C Library.  If not, see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22 #if defined(__NDS32_ABI_2FP_PLUS__) && defined(__NDS32_EXT_FPU_DP__)
  23
  24 double __ieee754_sqrt (double x)
  25 {
  26   double z;
  27   __asm__ ("fsqrtd %0,%1" : "=f" (z) : "f" (x));
  28   return z;
  29 }
  30 strong_alias(__ieee754_sqrt, sqrt)
  31 libm_hidden_def(sqrt)
  32 #else
  33 #include <libm/e_sqrt.c>
  34 #endif