////////////////////////////////////////////////////////////////////////////////////////
//
//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
//  By downloading, copying, installing or using the software you agree to this license.
//  If you do not agree to this license, do not download, install,
//  copy or use the software.
//
//
//                 License For Embedded Computer Vision Library
//
// Copyright (c) 2008, EMCV Project,
// Copyright (c) 2000-2007, Intel Corporation,
// All rights reserved.
// Third party copyrights are property of their respective owners.
//
// 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 copyright holders nor the names of their 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 COPYRIGHT OWNER 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.
//
// Contributors:
//    * Shiqi Yu (Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences)


#ifndef _CV_INTERNAL_H_
#define _CV_INTERNAL_H_

#if defined _MSC_VER && _MSC_VER >= 1200
    /* disable warnings related to inline functions */
    #pragma warning( disable: 4711 4710 4514 )
#endif

#include "cv.h"
#include "../cxcore/cxmisc.h"
#include <math.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <float.h>

typedef unsigned char uchar;
typedef unsigned short ushort;

#ifdef __BORLANDC__
    #define     WIN32
    #define     CV_DLL
    #undef      _CV_ALWAYS_PROFILE_
    #define     _CV_ALWAYS_NO_PROFILE_
#endif

/* helper tables */
extern const uchar icvSaturate8u_cv[];
#define CV_FAST_CAST_8U(t)  (assert(-256 <= (t) || (t) <= 512), icvSaturate8u_cv[(t)+256])
#define CV_CALC_MIN_8U(a,b) (a) -= CV_FAST_CAST_8U((a) - (b))
#define CV_CALC_MAX_8U(a,b) (a) += CV_FAST_CAST_8U((b) - (a))

// -256.f ... 511.f
extern const float icv8x32fTab_cv[];
#define CV_8TO32F(x)  icv8x32fTab_cv[(x)+256]

// (-128.f)^2 ... (255.f)^2
extern const float icv8x32fSqrTab[];
#define CV_8TO32F_SQR(x)  icv8x32fSqrTab[(x)+128]

CV_INLINE  CvDataType icvDepthToDataType( int type );
CV_INLINE  CvDataType icvDepthToDataType( int type )
{
    return (CvDataType)(
            ((((int)cv8u)|((int)cv8s << 4)|((int)cv16u << 8)|
              ((int)cv16s << 12)|((int)cv32s << 16)|((int)cv32f << 20)|
              ((int)cv64f << 24)) >> CV_MAT_DEPTH(type)*4) & 15);
}

#define CV_HIST_DEFAULT_TYPE CV_32F

CV_EXTERN_C_FUNCPTR( void (CV_CDECL * CvWriteNodeFunction)(void* seq,void* node) )

#define _CvConvState CvFilterState

typedef struct CvPyramid
{
    uchar **ptr;
    CvSize *sz;
    double *rate;
    int *step;
    uchar *state;
    int level;
}
CvPyramid;

#include "_cvipp.h"
#include "_cvmatrix.h"
#include "_cvgeom.h"
#include "_cvimgproc.h"

// default face cascade
//extern const char* icvDefaultFaceCascade[];

#endif /*_CV_INTERNAL_H_*/
