Add 15th (r=8) and 17th (r=9) order Jiang and Shu polynomials coefficients into the file type_weno_polynomials_js.f90 from the paper Very-high-order weno schemes, G. A. Gerolymos, D. Sénéchal, I. Vallet, JCP, 2009, vol. 228, pp. 8481-8524, doi:10.1016/j.jcp.2009.07.039
Add 15th (r=8) and 17th (r=9) order Jiang and Shu polynomials coefficients into the file
type_weno_polynomials_js.f90
from the paper Very-high-order weno schemes, G. A. Gerolymos, D. Sénéchal, I. Vallet, JCP, 2009, vol. 228, pp. 8481-8524, doi:10.1016/j.jcp.2009.07.039