Index: mttroot/mtt/bin/trans/switch_txt2m
==================================================================
--- mttroot/mtt/bin/trans/switch_txt2m
+++ mttroot/mtt/bin/trans/switch_txt2m
@@ -8,10 +8,18 @@
 
 # Convert switch file from txt to m
 # P.J.Gawthrop May 1997
 # Copyright (c) P.J.Gawthrop, 1997.
 
+
+###############################################################
+## Version control history
+###############################################################
+## $Id$
+## $Log$
+###############################################################
+
 
 echo Creating  $1_switch.m
 echo Creating  $1_switcha.m
 
 # Find system constants
@@ -28,11 +36,12 @@
 #    printf("end;\n\n")
     printf("#== Switches set element of state vector to zero ==#\n")
   }
   else{
   printf("\n#== Switch: %s ==#\n",$1)
-  printf("if ((%s==0.0)||((%s<0.0)&&mttx(%s)<=0.0)) \n", $1,$1,$2);
+  printf("if (%s==0.0) \n", $1);
+#  printf("if ((%s==0.0)||((%s<0.0)&&mttx(%s)<=0.0)) \n", $1,$1,$2);
   printf("  mttx(%s)=0.0;\n", $2);
   printf("end;\n");
   }
 }' Nx=$Nx < $1_switch.txt >> $1_switch.m