| psi.f.html |   | 
| Source file: psi.f | |
| Directory: /Users/rjl/git/rjleveque/clawpack-4.6.2/book/chap20/rotate | |
| Converted: Wed May 30 2012 at 13:02:07 using clawcode2html | |
| This documentation file will not reflect any later changes in the source file. | 
 
c
c     =================================================
      double precision function psi(x,y)
c     =================================================
c
c     # stream function 
      implicit double precision (a-h,o-z)
      psi = x**2 + y**2
c
      return
      end