"atomic bomb" commit. Reorganized OpenCV directory structure

modules/imgproc/src/_geom.h

@@ -0,0 +1,72 @@
+/*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 _CV_GEOM_H_
+#define _CV_GEOM_H_
+
+/* Finds distance between two points */
+CV_INLINE  float  icvDistanceL2_32f( CvPoint2D32f pt1, CvPoint2D32f pt2 )
+{
+    float dx = pt2.x - pt1.x;
+    float dy = pt2.y - pt1.y;
+
+    return std::sqrt( dx*dx + dy*dy );
+}
+
+
+int  icvIntersectLines( double x1, double dx1, double y1, double dy1,
+                        double x2, double dx2, double y2, double dy2,
+                        double* t2 );
+
+
+void icvCreateCenterNormalLine( CvSubdiv2DEdge edge, double* a, double* b, double* c );
+
+void icvIntersectLines3( double* a0, double* b0, double* c0,
+                         double* a1, double* b1, double* c1,
+                         CvPoint2D32f* point );
+
+
+/* curvature: 0 - 1-curvature, 1 - k-cosine curvature. */
+CvSeq* icvApproximateChainTC89( CvChain* chain, int header_size, CvMemStorage* storage, int method );
+
+#endif /*_IPCVGEOM_H_*/
+
+/* End of file. */