Purpose
 
 Generate a random
 
 number.
 
  Synopsis
 
 double getrand(XPRMcontext ctx);
 
  Argument
 
 
  
   | 
     ctx 
     | 
     Mosel's execution context
     | 
 
  Return value
 
 A randomly generated number between 0 and 1.
  Further information
 
 This function returns a random number in the range
 [0,1) using the generator associated to the running model.