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fixed clone of empty matrix
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@@ -115,12 +115,13 @@ cvCreateMatHeader( int rows, int cols, int type )
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{
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type = CV_MAT_TYPE(type);
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if( rows < 0 || cols <= 0 )
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if( rows < 0 || cols < 0 )
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CV_Error( CV_StsBadSize, "Non-positive width or height" );
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int min_step = CV_ELEM_SIZE(type)*cols;
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int min_step = CV_ELEM_SIZE(type);
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if( min_step <= 0 )
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CV_Error( CV_StsUnsupportedFormat, "Invalid matrix type" );
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min_step *= cols;
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CvMat* arr = (CvMat*)cvAlloc( sizeof(*arr));
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@@ -148,7 +149,7 @@ cvInitMatHeader( CvMat* arr, int rows, int cols,
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if( (unsigned)CV_MAT_DEPTH(type) > CV_DEPTH_MAX )
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CV_Error( CV_BadNumChannels, "" );
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if( rows < 0 || cols <= 0 )
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if( rows < 0 || cols < 0 )
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CV_Error( CV_StsBadSize, "Non-positive cols or rows" );
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type = CV_MAT_TYPE( type );
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