Restrict KrylovAlgorithm types

QuantumKitHub · Jan 16, 2025 · 3839495 · 3839495
1 parent 0dbca73
commit 3839495
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/src/MPSKit.jl b/src/MPSKit.jl
@@ -3,7 +3,9 @@ module MPSKit
 using TensorKit
 using TensorKit: BraidingTensor
 using BlockTensorKit
-using KrylovKit, OptimKit, FastClosures
+using KrylovKit
+using KrylovKit: KrylovAlgorithm
+using OptimKit, FastClosures
 using Base.Threads, FLoops, Transducers, FoldsThreads
 using Base.Iterators
 using RecipesBase

diff --git a/src/algorithms/excitation/chepigaansatz.jl b/src/algorithms/excitation/chepigaansatz.jl
@@ -6,7 +6,6 @@ Single-site optimization algorithm for excitations on top of MPS groundstates.
 ## Fields
 
 $(TYPEDFIELDS)
-- `alg::A = Defaults.eigsolver`: algorithm to use for the eigenvalue problem.
 
 ## Constructors
 
@@ -21,7 +20,7 @@ keyword arguments to `Arnoldi`.
 
 - [Chepiga et al. Phys. Rev. B 96 (2017)](@cite chepiga2017) 
 """
-struct ChepigaAnsatz{A} <: Algorithm
+struct ChepigaAnsatz{A<:KrylovAlgorithm} <: Algorithm
     "algorithm used for the eigenvalue solvers"
     alg::A
 end
@@ -84,7 +83,7 @@ keyword arguments to `Arnoldi`.
 
 - [Chepiga et al. Phys. Rev. B 96 (2017)](@cite chepiga2017) 
 """
-struct ChepigaAnsatz2{A} <: Algorithm
+struct ChepigaAnsatz2{A<:KrylovAlgorithm} <: Algorithm
     alg::A
     trscheme::Any
 end