s_isinf.c

来自「Glibc 2.3.2源代码(解压后有100多M)」· C语言 代码 · 共 41 行

/* Copyright (C) 1996, 1997, 2002 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <math.h>

#ifndef FUNC
#define FUNC isinf
#endif
#ifndef float_type
#define float_type double
#endif

#define __CONCATX(a,b) __CONCAT(a,b)

int
__CONCATX(__,FUNC) (x)
     float_type x;
{
  return __m81_u(__CONCATX(__,FUNC))(x);
}

#define hidden_defx(a) hidden_def(a)
hidden_defx(__CONCATX(__,FUNC))
#define weak_aliasx(a,b) weak_alias(a,b)
weak_aliasx (__CONCATX(__,FUNC), FUNC)