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-rw-r--r--app/bin/utility.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/app/bin/utility.h b/app/bin/utility.h
index ccf85e4..8666e6b 100644
--- a/app/bin/utility.h
+++ b/app/bin/utility.h
@@ -1,5 +1,5 @@
-/*
- * $Header: /home/dmarkle/xtrkcad-fork-cvs/xtrkcad/app/bin/utility.h,v 1.1 2005-12-07 15:47:39 rc-flyer Exp $
+/** \file utility.h
+ * Prototypes for misc utility functions
*/
/* XTrkCad - Model Railroad CAD
@@ -23,6 +23,8 @@
#ifndef UTILITY_H
#define UTILITY_H
+#include "common.h"
+
#ifndef TRUE
#define TRUE 1
#define FALSE 0
@@ -43,6 +45,8 @@ double min( double a, double b );
#endif
double FindDistance( coOrd p0, coOrd p1 );
double NormalizeAngle( double a );
+double DifferenceBetweenAngles(double a, double b);
+int AngleInRange(double a, double start, double size);
int IsAligned( double a1, double a2 );
double D2R( double D );
double R2D( double R );