Error(s):

154567695/source.f:31:132:

 W(I)=(W(I-1)+(H/720)*(251*(1-(X(I))**2)+646*F(X(I-1),W(I-1))-264*F(X(I-2),W(I-2))+106*F(X(I-3),W(I-3))-19*F(X(I-4),W(I-4))))/(1-251*(H/720))
                                                                                                                                    1
Error: Line truncated at (1) [-Werror=line-truncation]
154567695/source.f:31:131:

 W(I)=(W(I-1)+(H/720)*(251*(1-(X(I))**2)+646*F(X(I-1),W(I-1))-264*F(X(I-2),W(I-2))+106*F(X(I-3),W(I-3))-19*F(X(I-4),W(I-4))))/(1-251*(H/720))
                                                                                                                                   1
Error: Expected a right parenthesis in expression at (1)
f951: some warnings being treated as errors