FUNCTION: weakly_positive - test a unitform for weak positivity
CALLING SEQUENCE:
weakly_positive(q)
weakly_positive(q,rt)
q - a unit form
rt - an optional parameter evaluating to a name
SYNOPSIS:
EXAMPLES:
>
p:=[4,{[1,2,3],[4,1]}];
> q:=titsform(p);
>
weakly_positive(q,'rt');
>
print(rt);
SEE ALSO: unitform, weakly_nonneg, titsform, titsform_p
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