From 226c50745dc2aed77ae54bd093ab65f01983fcbb Mon Sep 17 00:00:00 2001
From: Alexis Montoison <alexis.montoison@polymtl.ca>
Date: Thu, 29 Sep 2022 12:07:02 -0400
Subject: [PATCH] Add GPU support for to_boundary function

---
 src/krylov_utils.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/krylov_utils.jl b/src/krylov_utils.jl
index 575179eec..b0a180dd3 100644
--- a/src/krylov_utils.jl
+++ b/src/krylov_utils.jl
@@ -344,7 +344,7 @@ If `flip` is set to `true`, `σ1` and `σ2` are computed such that
 
     ‖x - σi d‖ = radius, i = 1, 2.
 """
-function to_boundary(n :: Int, x :: Vector{T}, d :: Vector{T}, radius :: T; flip :: Bool=false, xNorm2 :: T=zero(T), dNorm2 :: T=zero(T)) where T <: FloatOrComplex
+function to_boundary(n :: Int, x :: AbstractVector{T}, d :: AbstractVector{T}, radius :: T; flip :: Bool=false, xNorm2 :: T=zero(T), dNorm2 :: T=zero(T)) where T <: FloatOrComplex
   radius > 0 || error("radius must be positive")
 
   # ‖d‖² σ² + (xᴴd + dᴴx) σ + (‖x‖² - Δ²).