diff -Naur BALL-1.3.0-orig/source/MOLMEC/AMBER/amberNonBonded.C BALL-1.3.0/source/MOLMEC/AMBER/amberNonBonded.C
--- BALL-1.3.0-orig/source/MOLMEC/AMBER/amberNonBonded.C	2009-09-17 21:50:39 +0000
+++ BALL-1.3.0/source/MOLMEC/AMBER/amberNonBonded.C	2009-09-18 20:28:26 +0000
@@ -892,9 +892,9 @@
 		double cut_on_vdw_2 = SQR(cut_on_vdw_);
 
 		SwitchingCutOnOff cutoffs_es 
-			= { cut_off_electrostatic_2, cut_on_electrostatic_2, inverse_distance_off_on_electrostatic_3_ };
+			= { (float)cut_off_electrostatic_2, (float)cut_on_electrostatic_2, (float)inverse_distance_off_on_electrostatic_3_ };
 		SwitchingCutOnOff cutoffs_vdw 
-			= { cut_off_vdw_2, cut_on_vdw_2, inverse_distance_off_on_vdw_3_ };
+			= { (float)cut_off_vdw_2, (float)cut_on_vdw_2, (float)inverse_distance_off_on_vdw_3_ };
 
 		// Define the different components of the non-bonded energy
 		double vdw_energy = 0.0;
diff -Naur BALL-1.3.0-orig/source/SCORING/COMPONENTS/vanDerWaals.C BALL-1.3.0/source/SCORING/COMPONENTS/vanDerWaals.C
--- BALL-1.3.0-orig/source/SCORING/COMPONENTS/vanDerWaals.C	2009-09-17 21:50:39 +0000
+++ BALL-1.3.0/source/SCORING/COMPONENTS/vanDerWaals.C	2009-09-18 21:04:13 +0000
@@ -579,7 +579,7 @@
 		inverse_distance_off_on_vdw_3 *= SQR(inverse_distance_off_on_vdw_3);
 
 		SwitchingCutOnOff cutoffs_vdw
-			= { cut_off_vdw_2, cut_on_vdw_2, inverse_distance_off_on_vdw_3 };
+			= { (float)cut_off_vdw_2, (float)cut_on_vdw_2, (float)inverse_distance_off_on_vdw_3 };
 
 		double vdw_energy_1_4 = 0.0;
 		double vdw_energy = 0.0;