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/* - mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Work around Sun Studio not supporting all of C99 math in C++
*/
#include <config.h>
#if defined(NEED_ISNAN) || defined(NEED_ISINF) || defined(NEED_ISFINITE)
# if defined(HAVE_IEEEFP_H)
# include <ieeefp.h>
# endif
#endif
#if defined(NEED_ISNAN)
int isnan (double a)
{
return isnand(a);
}
#endif /* defined(NEED_ISNAN) */
#if defined(NEED_ISINF)
int isinf(double a)
{
fpclass_t fc= fpclass(a);
return ((fc==FP_NINF)||(fc==FP_PINF)) ? 0 : 1;
}
#endif /* !defined(NEED_ISINF) */
#if defined(NEED_ISFINITE)
int isfinite(double a)
{
fpclass_t fc= fpclass(a);
return ((fc!=FP_NINF)&&(fc!=FP_PINF)) ? 0 : 1;
}
#endif /* !defined(NEED_ISFINITE) */
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