r326: FFTW additions, filter image generation

[ctsim.git] / include / ctsupport.h

diff --git a/include/ctsupport.h b/include/ctsupport.h
index 81479c964dbc56bacde5ce0e4645f845ecfb11e9..84eef25d596938d97f3a9fd29665468280966ec8 100644 (file)
--- a/include/ctsupport.h
+++ b/include/ctsupport.h
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: ctsupport.h,v 1.19 2000/12/29 20:04:02 kevin Exp $
+**  $Id: ctsupport.h,v 1.20 2001/01/01 10:14:34 kevin Exp $
 **
 **
 **  This program is free software; you can redistribute it and/or modify
@@ -184,7 +184,21 @@ convertRadiansToDegrees (double x)
 template<class T>
 inline T nearest (double x)
 { return (x > 0 ? static_cast<T>(x+0.5) : static_cast<T>(x-0.5)); }
-
+\r
+inline bool isEven (int n)\r
+{ return (n % 2) == 0; }\r
+\r
+inline bool isOdd (int n)\r
+{ return (n % 2) != 0; }\r
+\r
+#if 0\r
+inline bool isEven (long n)\r
+{ return (n % 2) == 0; }\r
+\r
+inline bool isOdd (long n)\r
+{ return (n % 2) != 0; }\r
+#endif\r
+\r
 inline int imax (int a, int b)\r
 { return (a >= b ? a : b); }\r
 \r