Non-allocating _circulate (#102)

* Non-allocating _firstnonzero and _circulate * don't extend _firstnonzero
JuliaLinearAlgebra · Jul 12, 2023 · e028273 · e028273
1 parent 274044a
commit e028273
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/Project.toml b/Project.toml
@@ -14,7 +14,7 @@ AbstractFFTs = "0.4, 0.5, 1"
 Aqua = "0.6"
 DSP = "0.7.7"
 FFTW = "1"
-FillArrays = "0.12,0.13,1"
+FillArrays = "0.12, 0.13, 1"
 StatsBase = "0.32, 0.33, 0.34"
 julia = "1.0"
 

diff --git a/src/special.jl b/src/special.jl
@@ -116,7 +116,7 @@ function getproperty(A::UpperTriangularToeplitz, s::Symbol)
     end
 end
 
-_circulate(v::AbstractVector) = reverse(v, 2)
+_circulate(v::AbstractVector) = view(Circulant(v), 1, :)
 function _firstnonzero(v::AbstractVector)
     w = zero(v)
     w[1] = v[1]