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ref: d4a907b28bde1f21c2c01c5a08468f5595609085
dir: /doc/ietf/arch.h/

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/* Copyright (C) 2003-2008 Jean-Marc Valin */
/**
   @file arch.h
   @brief Various architecture definitions for CELT
*/
/*
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:
   
   - Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
   
   - Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.
   
   - Neither the name of the Xiph.org Foundation nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.
   
   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef ARCH_H
#define ARCH_H

#include "celt_types.h"

#define CELT_SIG_SCALE 32768.

#define celt_fatal(str) _celt_fatal(str, __FILE__, __LINE__);
#ifdef ENABLE_ASSERTIONS
#define celt_assert(cond) {if (!(cond)) {celt_fatal("assertion failed: " #cond);}}
#define celt_assert2(cond, message) {if (!(cond)) {celt_fatal("assertion failed: " #cond "\n" message);}}
#else
#define celt_assert(cond)
#define celt_assert2(cond, message)
#endif


#define ABS(x) ((x) < 0 ? (-(x)) : (x))      /**< Absolute integer value. */
#define ABS16(x) ((x) < 0 ? (-(x)) : (x))    /**< Absolute 16-bit value.  */
#define MIN16(a,b) ((a) < (b) ? (a) : (b))   /**< Minimum 16-bit value.   */
#define MAX16(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 16-bit value.   */
#define ABS32(x) ((x) < 0 ? (-(x)) : (x))    /**< Absolute 32-bit value.  */
#define MIN32(a,b) ((a) < (b) ? (a) : (b))   /**< Minimum 32-bit value.   */
#define MAX32(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 32-bit value.   */
#define IMIN(a,b) ((a) < (b) ? (a) : (b))   /**< Minimum int value.   */
#define IMAX(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum int value.   */


#define SCALEIN(a)	((a)*CELT_SIG_SCALE)
#define SCALEOUT(a)	((a)*(1/CELT_SIG_SCALE))

#ifndef GLOBAL_STACK_SIZE
#ifdef FIXED_POINT
#define GLOBAL_STACK_SIZE 25000
#else
#define GLOBAL_STACK_SIZE 40000
#endif
#endif

#endif /* ARCH_H */