A tiny, pragmatic geometric algebra core.
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```rust
use quantique::ga::{blade::Blade, multivector::MV, signature_rt::Signature, ops::gp};
let sig = Signature::from_pqz(3,0,0);
let e1 = MV::basis(Blade(1<<0), 1.0);
let r = gp(&e1, &e1, &sig);
assert_eq!(r.to_string(), "1");