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change Codomain of Located to Point (Codomain a) #102

Merged
merged 1 commit into from Sep 5, 2013
Merged

change Codomain of Located to Point (Codomain a) #102

merged 1 commit into from Sep 5, 2013

Commits on Sep 5, 2013

  1. change Codomain of Located to Point (Codomain a) 

    switch from

  Codomain (Located a) = Located (Codomain a)

to

  Codomain (Located a) = Point (Codomain a)

When calling atParam on e.g. a Located (Trail R2), I expect to get a
P2, not a Located R2 (though of course the latter can be converted to
the former).

This also means that instead of requiring constraints of the form

  V (Codomain a) ~ V a

we instead have

  Codomain a ~ V a

which makes more sense: we can only add a location to
translation-invariant things, and translation-invariant parametric
things are precisely those things whose codomain is a vector space.
    Brent Yorgey committed Sep 5, 2013
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