/* isinf().  RISC-V version.

   Copyright (C) 2017-2018 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, see

   <http://www.gnu.org/licenses/>.  */

#include <math.h>

#include <math_private.h>

int

__isinf (double x)

{

  int cls = _FCLASS (x);

  return -((cls & _FCLASS_MINF) ? 1 : 0) | ((cls & _FCLASS_PINF) ? 1 : 0);

}

hidden_def (__isinf)

weak_alias (__isinf, isinf)