CS1620 lab for Feb 1, 2007

 0. Copy program from $L/ex/lawn.cc
 1. Compile from command line -- note error messages
 2. Compile from inside emacs. 
      a. First time, do not type anything, just press enter key
      a. Next time, type "lawn.cc" to see what happens 
      b. re-compile and erase the .cc
 3. Error messages
      a. line 10 -- const must have a type -- make it double
      b. line 12 -- missing semi-colon on line 10
 4. Re-compile (note it will ask to save)
 5. Error messages
      a. line 17 -- did not include string 
 6. Re-compile
 7. Error messages
      a. line 18 -- does not have  using namespace std
 8. Re-compile
 9. Error-messages
      a. line 21 -- did not include iostream
10. Re-compile
11. Error messages
      a. line 26 -- used << instead of >> for input
      b. line 29 -- capital L in houselength and capital W in houseWidth
12. Re-compile
13. Error messages
      a. line 33 -- cost needs to be declared
      b. line 35 -- weekendCost needs to be declared
14. Re-compile
15. Error message
      a. line 40 -- should be endl not end
16. Re-compile
      Hip Hip Horray!!! no syntax errors
17. Run the program
      How come weekend cost is the same as weekday cost?
      (1/3) = 0; Should be (1.0/3.0)
18. Re-compile 
19. Run it again.  Yippee it works!
20. Re-compile to see what happens when the program is already compiled
21. Change const to 0.25 and re-compile and run to show the use of constants.
22. Go to beginning of file and type a 'y' 
      - recompile to see the bizzare error message                    
      - remove the 'y'
23. exit emacs
24. cleanup
      a. rmtmp -- to get rid of temporary files
      b. rm lawn -- to get rid of executable