package org.lcsim.recon.tracking.ftf;
   public class FtfGeneral
   {
       //
       //    Some constants
       //
       static   float toDeg =57.29577951f ;
       
       static  double bFactor = 0.0029979 ;
      
      static boolean TRDEBUG = false;
      //
      //-->   Functions
      //
      
      static float  seta(float r, float z)
      {
          return (float)(3.0F * (z) / (Math.abs(z)+2.0F*(r)));
      }
      static float reta(float eta, float r)
      {
          return ((2.F*(r)*eta / ( 3 - Math.abs(eta)) )) ;
      }
      static float sgn( float a)
      {
          return (float)( ( (a) > 0   ) ? (1) :(-1) );
      }
      
  }