functions in demo1.i - d

             demo1  
 
     run the 1-D hydrocode demonstration.  An X window should pop up  
     in which a movie of a wave propagating down a shock tube appears.  
     Use the 'sound' and 'shock' commands to set two different interesting  
     initial conditions; the default is 'sound'.  
interpreted function, defined at i/demo1.i   line 277