Algorithm 265: find precedence functions [L2]
Niklaus Wirth · Communications of the ACM · 1965
eoninient :If X[I] is outside the range covered by ihe table, dw extrapolatory expresskm EA't>OL is evaht.ated.It is expected dmt it will often 1}e or contain ()He c)r more function designators, together with criteria for chuosing between them, as in the examlth" :d)ove, EXI'OL lnay incorporate, e.g., any of tile f{>lh>whig alternatives.In tho first and third of these the si(le effects are tile importaxlt, ones, tile vt)llle assigned to