/*

 *  Interval header

 *  Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>

 *

 *

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

 *

 */

typedef struct _snd_interval snd_interval_t;

#ifdef SND_INTERVAL_INLINE

#include "interval_inline.h"

#else

void snd_interval_any(snd_interval_t *i);

void snd_interval_none(snd_interval_t *i);

int snd_interval_setinteger(snd_interval_t *i);

int snd_interval_empty(const snd_interval_t *i);

int snd_interval_single(const snd_interval_t *i);

int snd_interval_value(const snd_interval_t *i);

void snd_interval_set_value(snd_interval_t *i, unsigned int val);

int snd_interval_min(const snd_interval_t *i);

int snd_interval_max(const snd_interval_t *i);

void snd_interval_set_minmax(snd_interval_t *i, unsigned int min, unsigned int max);

int snd_interval_test(const snd_interval_t *i, unsigned int val);

void snd_interval_copy(snd_interval_t *dst, const snd_interval_t *src);

void snd_interval_floor(snd_interval_t *i);

void snd_interval_unfloor(snd_interval_t *i);

int snd_interval_always_eq(const snd_interval_t *i1, const snd_interval_t *i2);

int snd_interval_never_eq(const snd_interval_t *i1, const snd_interval_t *i2);

#endif

/* make local functions really local */

#define snd_interval_add	snd1_interval_add

#define snd_interval_sub	snd1_interval_sub

#define snd_interval_mul	snd1_interval_mul

#define snd_interval_div	snd1_interval_div

#define snd_interval_muldiv	snd1_interval_muldiv

#define snd_interval_muldivk	snd1_interval_muldivk

#define snd_interval_mulkdiv	snd1_interval_mulkdiv

#define snd_interval_print	snd1_interval_print

#define snd_interval_refine_min	snd1_interval_refine_min

#define snd_interval_refine_max	snd1_interval_refine_max

#define snd_interval_refine	snd1_interval_refine

#define snd_interval_refine_first snd1_interval_refine_first

#define snd_interval_refine_last snd1_interval_refine_last

#define snd_interval_refine_set	snd1_interval_refine_set

void snd_interval_add(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c);

void snd_interval_sub(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c);

void snd_interval_mul(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c);

void snd_interval_div(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c);

void snd_interval_muldiv(const snd_interval_t *a, const snd_interval_t *b, 

		     const snd_interval_t *c, snd_interval_t *d);

void snd_interval_muldivk(const snd_interval_t *a, const snd_interval_t *b, 

		      unsigned int k, snd_interval_t *c);

void snd_interval_mulkdiv(const snd_interval_t *a, unsigned int k,

		      const snd_interval_t *b, snd_interval_t *c);

void snd_interval_print(const snd_interval_t *i, snd_output_t *out);

int snd_interval_refine_min(snd_interval_t *i, unsigned int min, int openmin);

int snd_interval_refine_max(snd_interval_t *i, unsigned int max, int openmax);

int snd_interval_refine(snd_interval_t *i, const snd_interval_t *v);

int snd_interval_refine_first(snd_interval_t *i);

int snd_interval_refine_last(snd_interval_t *i);

int snd_interval_refine_set(snd_interval_t *i, unsigned int val);

void boundary_sub(int a, int adir, int b, int bdir, int *c, int *cdir);

int boundary_lt(unsigned int a, int adir, unsigned int b, int bdir);

int boundary_nearer(int min, int mindir, int best, int bestdir, int max, int maxdir);