/* gsl_minmax.h

 * 

 * Copyright (C) 2008 Gerard Jungman, Brian Gough

 * 

 * 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 3 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.

 */

#ifndef __GSL_MINMAX_H__

#define __GSL_MINMAX_H__

#include <gsl/gsl_inline.h>

#undef __BEGIN_DECLS

#undef __END_DECLS

#ifdef __cplusplus

# define __BEGIN_DECLS extern "C" {

# define __END_DECLS }

#else

# define __BEGIN_DECLS /* empty */

# define __END_DECLS /* empty */

#endif

__BEGIN_DECLS

/* Define MAX and MIN macros/functions if they don't exist. */

/* plain old macros for general use */

#define GSL_MAX(a,b) ((a) > (b) ? (a) : (b))

#define GSL_MIN(a,b) ((a) < (b) ? (a) : (b))

/* function versions of the above, in case they are needed */

double gsl_max (double a, double b);

double gsl_min (double a, double b);

/* inline-friendly strongly typed versions */

#ifdef HAVE_INLINE

INLINE_FUN int GSL_MAX_INT (int a, int b);

INLINE_FUN int GSL_MIN_INT (int a, int b);

INLINE_FUN double GSL_MAX_DBL (double a, double b);

INLINE_FUN double GSL_MIN_DBL (double a, double b);

INLINE_FUN long double GSL_MAX_LDBL (long double a, long double b);

INLINE_FUN long double GSL_MIN_LDBL (long double a, long double b);

INLINE_FUN int

GSL_MAX_INT (int a, int b)

{

  return GSL_MAX (a, b);

}

INLINE_FUN int

GSL_MIN_INT (int a, int b)

{

  return GSL_MIN (a, b);

}

INLINE_FUN double

GSL_MAX_DBL (double a, double b)

{

  return GSL_MAX (a, b);

}

INLINE_FUN double

GSL_MIN_DBL (double a, double b)

{

  return GSL_MIN (a, b);

}

INLINE_FUN long double

GSL_MAX_LDBL (long double a, long double b)

{

  return GSL_MAX (a, b);

}

INLINE_FUN long double

GSL_MIN_LDBL (long double a, long double b)

{

  return GSL_MIN (a, b);

}

#else

#define GSL_MAX_INT(a,b)   GSL_MAX(a,b)

#define GSL_MIN_INT(a,b)   GSL_MIN(a,b)

#define GSL_MAX_DBL(a,b)   GSL_MAX(a,b)

#define GSL_MIN_DBL(a,b)   GSL_MIN(a,b)

#define GSL_MAX_LDBL(a,b)  GSL_MAX(a,b)

#define GSL_MIN_LDBL(a,b)  GSL_MIN(a,b)

#endif /* HAVE_INLINE */

__END_DECLS

#endif /* __GSL_POW_INT_H__ */