The outer (aka text) interpreter converts numbers containing a dot into a double precision number. Note that only numbers with the dot as last character are standard-conforming.
d+
d1 d2 -- d double ``d-plus''
d-
d1 d2 -- d double ``d-minus''
dnegate
d1 -- d2 double ``dnegate''
dabs
d1 -- d2 double ``dabs''
dmin
d1 d2 -- d double ``dmin''
dmax
d1 d2 -- d double ``dmax''
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