Encyclopaedia Index

(l) Access to "old", "high", "low" and other dependent variables

There are some other integer functions returning indices which, while not actually being block-location indices (because there are no COMMON block elements corresponding to them), can be used as though they were; for they can be used as arguments of L0F, and of the FN-subroutines to be described below. These are:-

PHOENICS is not, it should be mentioned, equipped with all possible safety measures, such as would prevent users from invoking a high- slab value for cells having IZ=NZ, or the west value for a cell for which IX=1. Users who engage in coding operations of the kind described here are supposed to be able to look after themselves in this regard.