act by perm on a MatElem by native column/row operations

2017-08-07 19:11:57 +02:00 · 2017-08-07 19:11:57 +02:00 · e78b8dbefd
commit e78b8dbefd
parent aa2d0083d3
1 changed files with 1 additions and 2 deletions
--- a/SL_orbit.jl
+++ b/SL_orbit.jl
@ -28,8 +28,7 @@ end
 function (p::perm)(A::MatElem)
    length(p.d) == A.r == A.c || throw("Can't act via $p on matrix of size ($(A.r), $(A.c))")
    R = parent(A)
-    inv_p = inv(p)
-    return R(Nemo.matrix_repr(p))*A*R(Nemo.matrix_repr(inv_p))
+    return p*A*inv(p)
 end

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