r97: Converted Scanner and Projections to C++

[ctsim.git] / include / kmath.h

diff --git a/include/kmath.h b/include/kmath.h
index 48370267f1f9d92740bded47f363b83e3a4dde78..bb30f05d683f8caf073e37e742ef6bb5c706ed8f 100644 (file)
--- a/include/kmath.h
+++ b/include/kmath.h
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: kmath.h,v 1.13 2000/06/15 19:07:10 kevin Exp $
+**  $Id: kmath.h,v 1.14 2000/06/17 20:12:14 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -64,6 +64,9 @@ template<class T>
 inline T clamp (T value, T lowerBounds, T upperBounds)
 { return (value >= upperBounds ? upperBounds : (value <= lowerBounds ? lowerBounds : value )); }
 
+template<class T>
+inline T lineLength (T x1, T y1, T x2, T y2)
+{ return static_cast<T>( sqrt ((x2-x1)*(x2-x1) + (y2-y1)*(y2-y1)) ); }
 
 /* clip.cpp */
 int clip_rect(double *x1, double *y1, double *x2, double *y2, const double rect[4]);