--- /dev/null
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+// 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.
+//
+//
+// Intel License Agreement
+// For Open Source Computer Vision Library
+//
+// Copyright (C) 2000, 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:
+//
+// * Redistribution's of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// * Redistribution's 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.
+//
+// * The name of Intel Corporation may not 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 Intel Corporation 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.
+//
+//M*/
+
+#ifndef __CVCOMMON_H_
+#define __CVCOMMON_H_
+
+#include <cxcore.h>
+#include <cv.h>
+#include <cxmisc.h>
+
+#define CV_DECLARE_QSORT( func_name, T, less_than ) \
+void func_name( T* array, size_t length, int aux );
+
+#define less_than( a, b ) ((a) < (b))
+
+CV_DECLARE_QSORT( icvSort_32f, float, less_than )
+
+CV_DECLARE_QSORT( icvSort_32s, int, less_than )
+
+#ifndef PATH_MAX
+#define PATH_MAX 512
+#endif /* PATH_MAX */
+
+int icvMkDir( const char* filename );
+
+/* returns index at specified position from index matrix of any type.
+ if matrix is NULL, then specified position is returned */
+CV_INLINE
+int icvGetIdxAt( CvMat* idx, int pos );
+
+CV_INLINE
+int icvGetIdxAt( CvMat* idx, int pos )
+{
+ if( idx == NULL )
+ {
+ return pos;
+ }
+ else
+ {
+ CvScalar sc;
+ int type;
+
+ type = CV_MAT_TYPE( idx->type );
+ cvRawDataToScalar( idx->data.ptr + pos *
+ ( (idx->rows == 1) ? CV_ELEM_SIZE( type ) : idx->step ), type, &sc );
+
+ return (int) sc.val[0];
+ }
+}
+
+/* debug functions */
+
+#define CV_DEBUG_SAVE( ptr ) icvSave( ptr, __FILE__, __LINE__ );
+
+void icvSave( const CvArr* ptr, const char* filename, int line );
+
+#endif /* __CVCOMMON_H_ */
+