SSize_t xav_fill; /* Index of last element present */
SSize_t xav_max; /* Number of elements for which array has space */
IV xof_off; /* ptr is incremented by offset */
- double xnv_nv; /* numeric value, if any */
+ NV xnv_nv; /* numeric value, if any */
MAGIC* xmg_magic; /* magic for scalar array */
HV* xmg_stash; /* class package */