added extend3D to extend 2D model to 3D

utils/Makefile

@@ -407,10 +407,10 @@ install: makemod makewave extendModel fconv correigen green green3D basop syn2d
 	cp pwshift $B
 	cp convhomg $B
 	cp changevalue $B
-	cp extent3D $B
+	cp extend3D $B
 
 clean:
-		rm -f core $(OBJM) makemod $(OBJW) makewave $(OBJE) extendModel $(OBJF) fconv $(OBJG) $(OBJC) correigen green $(OBJG3) green3D $(OBJB) basop $(OBJJ) syn2d $(OBJS) mat2su $(OBJA) ftr1d $(OBJT) mutesnap $(OBJMS) truncate $(OBJTR) padmodel $(OBJPM) combine $(OBJCO) makeR1D $(OBJMR) reshape_su $(OBJRS) combine_induced $(OBJCI) HomG $(OBJHG) snap2shot $(OBJSS) pwshift $(OBJPW) convhomg $(OBJCH) changevalue $(OBJVL) extent3D $(OBJEX)
+		rm -f core $(OBJM) makemod $(OBJW) makewave $(OBJE) extendModel $(OBJF) fconv $(OBJG) $(OBJC) correigen green $(OBJG3) green3D $(OBJB) basop $(OBJJ) syn2d $(OBJS) mat2su $(OBJA) ftr1d $(OBJT) mutesnap $(OBJMS) truncate $(OBJTR) padmodel $(OBJPM) combine $(OBJCO) makeR1D $(OBJMR) reshape_su $(OBJRS) combine_induced $(OBJCI) HomG $(OBJHG) snap2shot $(OBJSS) pwshift $(OBJPW) convhomg $(OBJCH) changevalue $(OBJVL) extend3D $(OBJEX)
 
 realclean: clean
-		rm -f $B/makemod $B/makewave $B/extendModel $B/fconv $B/correigen $B/green $B/green3D $B/basop $B/syn2d $B/mat2su $B/ftr1d $B/mutesnap $B/padmodel $B/truncate $B/combine $B/combine_induced $B/reshape_su $B/HomG $B/snap2shot $B/makeR1D $B/pwshift $B/convhomg $B/changevalue $B/extent3D
+		rm -f $B/makemod $B/makewave $B/extendModel $B/fconv $B/correigen $B/green $B/green3D $B/basop $B/syn2d $B/mat2su $B/ftr1d $B/mutesnap $B/padmodel $B/truncate $B/combine $B/combine_induced $B/reshape_su $B/HomG $B/snap2shot $B/makeR1D $B/pwshift $B/convhomg $B/changevalue $B/extend3D