text:       subroutine setprob
        implicit double precision (a-h,o-z)
        character*12 fname
        common /comrp/ grav
        common /comsrc/ ndim
        common/cdisc/ x0,y0,alf,beta,r0,idisc
        common /comic/ hin,hout
  c
  c     # Set the material parameters for the acoustic equations
  c     # Passed to the Riemann solver rp1.f in a common block
  c
  c
        iunit = 7
        fname = 'setprob.data'
  c     # open the unit with new routine from Clawpack 4.4 to skip over
  c     # comment lines starting with #:
        call opendatafile(iunit, fname)
                  
  c     # ndim = space dimensions (2 = cylindrical symmetry, 3 = spherical)
        read(7,*) ndim
  
  c     # gravitational constant:
        read(7,*) grav
  
  c     # data for radial dam-break problem:
        read(7,*) x0,y0,r0
        read(7,*) hin,hout
  c
        return
        end
  