From bd26d5745269594647ec79f64fdfb8e750891672 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Fri, 8 Jan 2010 15:53:17 +0100
Subject: Zaefferer gradient search

---
 src/utils.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/utils.h')

diff --git a/src/utils.h b/src/utils.h
index 4f1dc86c..9aa07c8c 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -110,6 +110,10 @@ static inline double distance3d(double x1, double y1, double z1,
 
 #define is_odd(a) ((a)%2==1)
 
+#define biggest(a,b) ((a>b) ? (a) : (b))
+#define smallest(a,b) ((a<b) ? (a) : (b))
+
+
 /* Photon energy (J) to wavelength (m) */
 #define ph_en_to_lambda(a) ((PLANCK*C_VACUO)/(a))
 
-- 
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