psi.f.html CLAWPACK  
 Source file:   psi.f
 Directory:   /home/rjl/git/rjleveque/clawpack-4.x/book/chap20/rotate
 Converted:   Tue Jul 26 2011 at 12:59:04   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