/* Prototype declarations for math classification macros helpers.

   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/>.  */

/* Classify given number.  */

__MATHDECL_1 (int, __fpclassify,, (_Mdouble_ __value))

     __attribute__ ((__const__));

/* Test for negative number.  */

__MATHDECL_1 (int, __signbit,, (_Mdouble_ __value))

     __attribute__ ((__const__));

/* Return 0 if VALUE is finite or NaN, +1 if it

   is +Infinity, -1 if it is -Infinity.  */

__MATHDECL_1 (int, __isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));

/* Return nonzero if VALUE is finite and not NaN.  Used by isfinite macro.  */

__MATHDECL_1 (int, __finite,, (_Mdouble_ __value)) __attribute__ ((__const__));

/* Return nonzero if VALUE is not a number.  */

__MATHDECL_1 (int, __isnan,, (_Mdouble_ __value)) __attribute__ ((__const__));

/* Test equality.  */

__MATHDECL_1 (int, __iseqsig,, (_Mdouble_ __x, _Mdouble_ __y));

/* Test for signaling NaN.  */

__MATHDECL_1 (int, __issignaling,, (_Mdouble_ __value))

     __attribute__ ((__const__));