/*
 * The Spar Library - modular math parser
 * Copyright (C) 2000,2001 Davide Angelocola <davide178@inwind.it>
 *
 * This 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.
 *
 * This 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 this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA  02111-1307, USA.
 *
 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */

#include <stdlib.h>
#include <errno.h>

#ifdef HAVE_STRERROR
#include <string.h>

const char *
sl_strerror (int errno)
{
  return strerror (errno);
}

#else
const char *
sl_strerror (int errno)
{
  return "sl_strerror: compiled without strerror";
}
#endif /* HAVE_STRERROR */

#include <spar/sl_math.h>
#include <spar/sl_error.h>

void
sl_string_to_double (char *token, double *r)
{
#ifdef HAVE_STRTOD
  register double dval = ZERO;
  char *ep;
#endif

  errno = 0;

#ifdef HAVE_STRTOD
  dval = strtod (token, &ep);

  if (errno == ERANGE)
    sl_error_throw (SL_ERROR_CLASS_WARNING, SL_ERROR_RANGE, "%s", token);

  *r = dval;
#else
  *r = atof (token);
#endif

  return;
}