Check if iterables are empty (#11)

* Check if iterables will be empty in two locations.

* Bump version.

Author: chriselrod

Project.toml

@@ -1,7 +1,7 @@
 name = "RecursiveFactorization"
 uuid = "f2c3362d-daeb-58d1-803e-2bc74f2840b4"
 authors = ["Yingbo Ma <[email protected]>"]
-version = "0.1.3"
+version = "0.1.4"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"

src/lu.jl

@@ -181,12 +181,13 @@ function _generic_lufact!(A, ::Val{Pivot}, ipiv, info) where Pivot
                 end
                 # Scale first column
                 Akkinv = inv(A[k,k])
-                @avx for i = k+1:m
+                @avx check_empty=true for i = k+1:m
                     A[i,k] *= Akkinv
                 end
             elseif info == 0
                 info = k
             end
+            k == minmn && break 
             # Update the rest
             @avx for j = k+1:n
                 for i = k+1:m