From 5ef72372b1ff35721d928465c089d8292255ac98 Mon Sep 17 00:00:00 2001
From: lkdvos <lukas.devos@ugent.be>
Date: Mon, 30 Oct 2023 11:53:36 +1100
Subject: [PATCH] small formatting

---
 src/algorithms/approximate/fvomps.jl | 5 +++--
 src/algorithms/derivatives.jl        | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/algorithms/approximate/fvomps.jl b/src/algorithms/approximate/fvomps.jl
index ce4afc5a4..d93cc93ce 100644
--- a/src/algorithms/approximate/fvomps.jl
+++ b/src/algorithms/approximate/fvomps.jl
@@ -1,5 +1,6 @@
-function approximate(state, toapprox, alg::Union{DMRG,DMRG2}, envs...)
-    return approximate!(copy(state), toapprox, alg, envs...)
+# dispatch to in-place method
+function approximate(ψ, toapprox, alg::Union{DMRG,DMRG2}, envs...)
+    return approximate!(copy(ψ), toapprox, alg, envs...)
 end
 
 function approximate!(init::AbstractFiniteMPS, sq, alg, envs=environments(init, sq))
diff --git a/src/algorithms/derivatives.jl b/src/algorithms/derivatives.jl
index 3c6453f23..9470efc6e 100644
--- a/src/algorithms/derivatives.jl
+++ b/src/algorithms/derivatives.jl
@@ -228,6 +228,7 @@ function c_proj(row, col, below, envs::PerMPOInfEnv)
     )
 end
 
+# TODO: rewrite this to not use operator from cache?
 function ac_proj(pos, below, envs)
     le = leftenv(envs, pos, below)
     re = rightenv(envs, pos, below)
@@ -316,7 +317,7 @@ end
 
 function ∂∂AC(pos::Int, state, opp::ProjectionOperator, env)
     return AC_EffProj(opp.ket.AC[pos], leftenv(env, pos, state), rightenv(env, pos, state))
-end;
+end
 function ∂∂AC2(pos::Int, state, opp::ProjectionOperator, env)
     return AC2_EffProj(
         opp.ket.AC[pos],
@@ -324,4 +325,4 @@ function ∂∂AC2(pos::Int, state, opp::ProjectionOperator, env)
         leftenv(env, pos, state),
         rightenv(env, pos + 1, state),
     )
-end;
+end