/* fpclassifyf().  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

__fpclassifyf (float x)

{

  int cls = _FCLASS (x);

  if (__builtin_expect (cls & _FCLASS_NORM, _FCLASS_NORM))

    return FP_NORMAL;

  if (__builtin_expect (cls & _FCLASS_ZERO, _FCLASS_ZERO))

    return FP_ZERO;

  if (__builtin_expect (cls & _FCLASS_SUBNORM, _FCLASS_SUBNORM))

    return FP_SUBNORMAL;

  if (__builtin_expect (cls & _FCLASS_INF, _FCLASS_INF))

    return FP_INFINITE;

  return FP_NAN;

}

libm_hidden_def (__fpclassifyf)