From 202163b8a0a79cfa0fc0d8687b14ff7108de35c3 Mon Sep 17 00:00:00 2001
From: asligonulacar <67739979+asligonulacar@users.noreply.github.com>
Date: Tue, 23 Jan 2024 10:06:27 -0500
Subject: [PATCH 01/18] Create FT_Energy_Corr.cc

FT Energy Correction Function
---
 .../algorithms/clas12/FT_Energy_Corr.cc       | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 src/iguana/algorithms/clas12/FT_Energy_Corr.cc

diff --git a/src/iguana/algorithms/clas12/FT_Energy_Corr.cc b/src/iguana/algorithms/clas12/FT_Energy_Corr.cc
new file mode 100644
index 00000000..02dbfe7f
--- /dev/null
+++ b/src/iguana/algorithms/clas12/FT_Energy_Corr.cc
@@ -0,0 +1,41 @@
+#include "FT_Energy_Corr.h"
+namespace iguana::clas12 {
+REGISTER_IGUANA_ALGORITHM(FT_Energy_Corr);
+
+void FT_Energy_Corr::Start(hipo::banklist& banks) {
+
+    //# This is where I would call Fiducial Cuts and Banks in a more complex algorithm.
+
+}
+
+void FT_Energy_Corr::Run(hipo::banklist& banks) const {
+
+    //# This is where I would do the big chunk of calculations in a more complex algorithm.
+
+}
+
+
+// This function returns an electron 4-vector with the corrected energy for the Forward Tagger. 
+// Currently only validated for Fall 2018 outbending data.
+
+TLorentzVector  FT_Energy_Corr::Correct(TLorentzVector x) const{
+
+  Double_t E_new, Px_el, Py_el, Pz_el;
+  TLorentzVector el_new;
+  E_new = x.E() +  0.0208922 + 0.050158*x.E() - 0.0181107*pow(x.E(),2) + 0.00305671*pow(x.E(),3) - 0.000178235*pow(x.E(),4);
+
+  Px_el = E_new*(x.Px()/x.Rho());
+  Py_el = E_new*(x.Py()/x.Rho());
+  Pz_el = E_new*(x.Pz()/x.Rho());
+
+  el_new.SetXYZM(Px_el, Py_el, Pz_el, 0.000511);
+
+  return el_new;
+}
+
+void ExampleAlgorithm::Stop() {
+
+
+  }
+
+}

From 40b49cd433bdc4591b9c89097ba5fb6759f5c010 Mon Sep 17 00:00:00 2001
From: asligonulacar <67739979+asligonulacar@users.noreply.github.com>
Date: Tue, 23 Jan 2024 10:07:01 -0500
Subject: [PATCH 02/18] Create FT_Energy_Corr.h

FT Energy Correction header
---
 src/iguana/algorithms/clas12/FT_Energy_Corr.h | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 src/iguana/algorithms/clas12/FT_Energy_Corr.h

diff --git a/src/iguana/algorithms/clas12/FT_Energy_Corr.h b/src/iguana/algorithms/clas12/FT_Energy_Corr.h
new file mode 100644
index 00000000..e38ec69f
--- /dev/null
+++ b/src/iguana/algorithms/clas12/FT_Energy_Corr.h
@@ -0,0 +1,36 @@
+#pragma once
+
+#include "iguana/algorithms/Algorithm.h"
+
+namespace iguana::clas12 {
+
+  class FT_Energy_Corr : public Algorithm {
+
+    //###############################################################################################
+    //# Variables:
+    //#      TLorentzVector x: the 4-vector of the electron that needs to have its energy corrected.
+    //#      Double_t E_new: the corrected energy.
+    //#      Double_t Px_el, Py_el, Pz_el: 3-momentum components of the corrected electron. 
+    //#      TLorentzVector el_new: new electron 4-vector with the corrected energy.
+    //################################################################################################
+    DEFINE_IGUANA_ALGORITHM(FT_Energy_Corr, example::FT_Energy_Corr)
+
+    public:
+
+      void Start(hipo::banklist& banks) override;
+      void Run(hipo::banklist& banks) const override;
+      void Stop() override;
+
+      // Transformation function that returns 4-vector of electron with corrected energy for the Forward Tagger.
+      TLorentzVector Correct(TLorentzVector x) const;
+    
+    private:
+    
+      /// Example integer configuration option
+      int o_exampleInt;
+      /// Example float configuration option
+      double o_exampleFloat;
+
+  };
+
+}

From 65b73bcf516fe1300ffc9b8b89690780ace3957e Mon Sep 17 00:00:00 2001
From: asligonulacar <67739979+asligonulacar@users.noreply.github.com>
Date: Tue, 23 Jan 2024 10:27:54 -0500
Subject: [PATCH 03/18] Update FT_Energy_Corr.cc

---
 src/iguana/algorithms/clas12/FT_Energy_Corr.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/iguana/algorithms/clas12/FT_Energy_Corr.cc b/src/iguana/algorithms/clas12/FT_Energy_Corr.cc
index 02dbfe7f..473217e6 100644
--- a/src/iguana/algorithms/clas12/FT_Energy_Corr.cc
+++ b/src/iguana/algorithms/clas12/FT_Energy_Corr.cc
@@ -1,4 +1,5 @@
 #include "FT_Energy_Corr.h"
+#include LorentzTransformer.h
 namespace iguana::clas12 {
 REGISTER_IGUANA_ALGORITHM(FT_Energy_Corr);
 

From 54db3a10c046f2ab92bcb5e819bde5b920c673b0 Mon Sep 17 00:00:00 2001
From: asligonulacar <67739979+asligonulacar@users.noreply.github.com>
Date: Tue, 23 Jan 2024 10:28:41 -0500
Subject: [PATCH 04/18] Update FT_Energy_Corr.h

---
 src/iguana/algorithms/clas12/FT_Energy_Corr.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/iguana/algorithms/clas12/FT_Energy_Corr.h b/src/iguana/algorithms/clas12/FT_Energy_Corr.h
index e38ec69f..8087f45c 100644
--- a/src/iguana/algorithms/clas12/FT_Energy_Corr.h
+++ b/src/iguana/algorithms/clas12/FT_Energy_Corr.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "iguana/algorithms/Algorithm.h"
+#include LorentzTransformer.h
 
 namespace iguana::clas12 {
 

From c0f058dee74d4fabc168c77f865f9264621318d3 Mon Sep 17 00:00:00 2001
From: asligonulacar <67739979+asligonulacar@users.noreply.github.com>
Date: Tue, 23 Jan 2024 15:29:12 -0500
Subject: [PATCH 05/18] Update FT_Energy_Corr.h

---
 src/iguana/algorithms/clas12/FT_Energy_Corr.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/iguana/algorithms/clas12/FT_Energy_Corr.h b/src/iguana/algorithms/clas12/FT_Energy_Corr.h
index 8087f45c..3035a0c6 100644
--- a/src/iguana/algorithms/clas12/FT_Energy_Corr.h
+++ b/src/iguana/algorithms/clas12/FT_Energy_Corr.h
@@ -2,6 +2,7 @@
 
 #include "iguana/algorithms/Algorithm.h"
 #include LorentzTransformer.h
+#include "iguana/algorithms/TypeDefs.h"
 
 namespace iguana::clas12 {
 

From 734ec2711306044c899dcbd46a2c8a17efb41c12 Mon Sep 17 00:00:00 2001
From: asligonulacar <67739979+asligonulacar@users.noreply.github.com>
Date: Tue, 23 Jan 2024 15:29:23 -0500
Subject: [PATCH 06/18] Update FT_Energy_Corr.cc

---
 src/iguana/algorithms/clas12/FT_Energy_Corr.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/iguana/algorithms/clas12/FT_Energy_Corr.cc b/src/iguana/algorithms/clas12/FT_Energy_Corr.cc
index 473217e6..f18cf61d 100644
--- a/src/iguana/algorithms/clas12/FT_Energy_Corr.cc
+++ b/src/iguana/algorithms/clas12/FT_Energy_Corr.cc
@@ -1,5 +1,7 @@
 #include "FT_Energy_Corr.h"
 #include LorentzTransformer.h
+#include "iguana/algorithms/TypeDefs.h"
+
 namespace iguana::clas12 {
 REGISTER_IGUANA_ALGORITHM(FT_Energy_Corr);
 

From 3553dd4ca1f67bde44ac3392c947e1dd7219496c Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Thu, 9 May 2024 12:02:26 -0400
Subject: [PATCH 07/18] ci: re-trigger


From a4109909cc43701bda2f5d66d35122ecfd308355 Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Thu, 9 May 2024 12:22:26 -0400
Subject: [PATCH 08/18] style: algorithm name -> PascalCase

---
 .../{FT_Energy_Corr.cc => FTEnergyCorrection.cc}       | 10 +++++-----
 .../clas12/{FT_Energy_Corr.h => FTEnergyCorrection.h}  |  4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)
 rename src/iguana/algorithms/clas12/{FT_Energy_Corr.cc => FTEnergyCorrection.cc} (76%)
 rename src/iguana/algorithms/clas12/{FT_Energy_Corr.h => FTEnergyCorrection.h} (90%)

diff --git a/src/iguana/algorithms/clas12/FT_Energy_Corr.cc b/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
similarity index 76%
rename from src/iguana/algorithms/clas12/FT_Energy_Corr.cc
rename to src/iguana/algorithms/clas12/FTEnergyCorrection.cc
index f18cf61d..28254cbc 100644
--- a/src/iguana/algorithms/clas12/FT_Energy_Corr.cc
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
@@ -1,17 +1,17 @@
-#include "FT_Energy_Corr.h"
+#include "FTEnergyCorrection.h"
 #include LorentzTransformer.h
 #include "iguana/algorithms/TypeDefs.h"
 
 namespace iguana::clas12 {
-REGISTER_IGUANA_ALGORITHM(FT_Energy_Corr);
+REGISTER_IGUANA_ALGORITHM(FTEnergyCorrection);
 
-void FT_Energy_Corr::Start(hipo::banklist& banks) {
+void FTEnergyCorrection::Start(hipo::banklist& banks) {
 
     //# This is where I would call Fiducial Cuts and Banks in a more complex algorithm.
 
 }
 
-void FT_Energy_Corr::Run(hipo::banklist& banks) const {
+void FTEnergyCorrection::Run(hipo::banklist& banks) const {
 
     //# This is where I would do the big chunk of calculations in a more complex algorithm.
 
@@ -21,7 +21,7 @@ void FT_Energy_Corr::Run(hipo::banklist& banks) const {
 // This function returns an electron 4-vector with the corrected energy for the Forward Tagger. 
 // Currently only validated for Fall 2018 outbending data.
 
-TLorentzVector  FT_Energy_Corr::Correct(TLorentzVector x) const{
+TLorentzVector  FTEnergyCorrection::Correct(TLorentzVector x) const{
 
   Double_t E_new, Px_el, Py_el, Pz_el;
   TLorentzVector el_new;
diff --git a/src/iguana/algorithms/clas12/FT_Energy_Corr.h b/src/iguana/algorithms/clas12/FTEnergyCorrection.h
similarity index 90%
rename from src/iguana/algorithms/clas12/FT_Energy_Corr.h
rename to src/iguana/algorithms/clas12/FTEnergyCorrection.h
index 3035a0c6..504bbea0 100644
--- a/src/iguana/algorithms/clas12/FT_Energy_Corr.h
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection.h
@@ -6,7 +6,7 @@
 
 namespace iguana::clas12 {
 
-  class FT_Energy_Corr : public Algorithm {
+  class FTEnergyCorrection : public Algorithm {
 
     //###############################################################################################
     //# Variables:
@@ -15,7 +15,7 @@ namespace iguana::clas12 {
     //#      Double_t Px_el, Py_el, Pz_el: 3-momentum components of the corrected electron. 
     //#      TLorentzVector el_new: new electron 4-vector with the corrected energy.
     //################################################################################################
-    DEFINE_IGUANA_ALGORITHM(FT_Energy_Corr, example::FT_Energy_Corr)
+    DEFINE_IGUANA_ALGORITHM(FTEnergyCorrection, clas12::FTEnergyCorrection)
 
     public:
 

From a20b36a5e5289081c7edac0aa9f59c3f0e780a4f Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Thu, 9 May 2024 12:23:39 -0400
Subject: [PATCH 09/18] fix: don't include `LorentzTransformer`

---
 src/iguana/algorithms/clas12/FTEnergyCorrection.cc | 1 -
 src/iguana/algorithms/clas12/FTEnergyCorrection.h  | 1 -
 2 files changed, 2 deletions(-)

diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection.cc b/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
index 28254cbc..be36f5c2 100644
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
@@ -1,5 +1,4 @@
 #include "FTEnergyCorrection.h"
-#include LorentzTransformer.h
 #include "iguana/algorithms/TypeDefs.h"
 
 namespace iguana::clas12 {
diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection.h b/src/iguana/algorithms/clas12/FTEnergyCorrection.h
index 504bbea0..261ed3a6 100644
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection.h
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "iguana/algorithms/Algorithm.h"
-#include LorentzTransformer.h
 #include "iguana/algorithms/TypeDefs.h"
 
 namespace iguana::clas12 {

From eb5e252f31ded90c577c6c64caf0006903b7112f Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Thu, 9 May 2024 12:26:01 -0400
Subject: [PATCH 10/18] build: include new algo

---
 src/iguana/algorithms/meson.build | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/iguana/algorithms/meson.build b/src/iguana/algorithms/meson.build
index 3236a569..6c2af486 100644
--- a/src/iguana/algorithms/meson.build
+++ b/src/iguana/algorithms/meson.build
@@ -75,6 +75,14 @@ algo_dict = {
     'configs':   [ 'clas12/LorentzTransformer.yaml' ],
     'test_args': { 'banks': ['REC::Particle'] },
   },
+  'clas12::FTEnergyCorrection': {
+    'algorithm': {
+      'sources': [ 'clas12/FTEnergyCorrection.cc' ],
+      'headers': [ 'clas12/FTEnergyCorrection.h' ],
+      'needs_ROOT': true,
+    },
+    'test_args': { 'banks': [] }, # FIXME: what banks will this algorithm use?
+  },
   'clas12::MomentumCorrection': {
     'algorithm': {
       'sources': [ 'clas12/MomentumCorrection.cc' ],

From 6fef28fe1df0f304823cce0331acb6d81d8559f4 Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Thu, 9 May 2024 12:30:01 -0400
Subject: [PATCH 11/18] fix: some build fixes

---
 src/iguana/algorithms/clas12/FTEnergyCorrection.cc | 2 +-
 src/iguana/algorithms/clas12/FTEnergyCorrection.h  | 9 +++------
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection.cc b/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
index be36f5c2..b18d4bb5 100644
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
@@ -35,7 +35,7 @@ TLorentzVector  FTEnergyCorrection::Correct(TLorentzVector x) const{
   return el_new;
 }
 
-void ExampleAlgorithm::Stop() {
+void FTEnergyCorrection::Stop() {
 
 
   }
diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection.h b/src/iguana/algorithms/clas12/FTEnergyCorrection.h
index 261ed3a6..9c2d5830 100644
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection.h
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection.h
@@ -3,6 +3,8 @@
 #include "iguana/algorithms/Algorithm.h"
 #include "iguana/algorithms/TypeDefs.h"
 
+#include <TLorentzVector.h> // FIXME: use `ROOTVecOps` instead
+
 namespace iguana::clas12 {
 
   class FTEnergyCorrection : public Algorithm {
@@ -24,13 +26,8 @@ namespace iguana::clas12 {
 
       // Transformation function that returns 4-vector of electron with corrected energy for the Forward Tagger.
       TLorentzVector Correct(TLorentzVector x) const;
-    
+
     private:
-    
-      /// Example integer configuration option
-      int o_exampleInt;
-      /// Example float configuration option
-      double o_exampleFloat;
 
   };
 

From 847b5c6f6d85bafeb44b3b9895c92b77a86685a5 Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Thu, 9 May 2024 18:06:26 -0400
Subject: [PATCH 12/18] feat: fill `Run` method and remove ROOT dependence

---
 .../algorithms/clas12/FTEnergyCorrection.cc   | 66 +++++++++----------
 .../algorithms/clas12/FTEnergyCorrection.h    | 27 ++++----
 src/iguana/algorithms/meson.build             |  3 +-
 3 files changed, 50 insertions(+), 46 deletions(-)

diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection.cc b/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
index b18d4bb5..fd27a96c 100644
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
@@ -1,43 +1,43 @@
 #include "FTEnergyCorrection.h"
-#include "iguana/algorithms/TypeDefs.h"
 
 namespace iguana::clas12 {
-REGISTER_IGUANA_ALGORITHM(FTEnergyCorrection);
+  REGISTER_IGUANA_ALGORITHM(FTEnergyCorrection);
 
-void FTEnergyCorrection::Start(hipo::banklist& banks) {
-
-    //# This is where I would call Fiducial Cuts and Banks in a more complex algorithm.
-
-}
-
-void FTEnergyCorrection::Run(hipo::banklist& banks) const {
-
-    //# This is where I would do the big chunk of calculations in a more complex algorithm.
-
-}
-
-
-// This function returns an electron 4-vector with the corrected energy for the Forward Tagger. 
-// Currently only validated for Fall 2018 outbending data.
-
-TLorentzVector  FTEnergyCorrection::Correct(TLorentzVector x) const{
-
-  Double_t E_new, Px_el, Py_el, Pz_el;
-  TLorentzVector el_new;
-  E_new = x.E() +  0.0208922 + 0.050158*x.E() - 0.0181107*pow(x.E(),2) + 0.00305671*pow(x.E(),3) - 0.000178235*pow(x.E(),4);
-
-  Px_el = E_new*(x.Px()/x.Rho());
-  Py_el = E_new*(x.Py()/x.Rho());
-  Pz_el = E_new*(x.Pz()/x.Rho());
-
-  el_new.SetXYZM(Px_el, Py_el, Pz_el, 0.000511);
-
-  return el_new;
-}
+  void FTEnergyCorrection::Start(hipo::banklist& banks) {
+    b_ft_particle = GetBankIndex(banks, "RECFT::Particle");
+    electron_mass = particle::mass.at(particle::electron);
+  }
 
-void FTEnergyCorrection::Stop() {
+  void FTEnergyCorrection::Run(hipo::banklist& banks) const {
+    auto& ftParticleBank = GetBank(banks, b_ft_particle, "RECFT::Particle");
+    ShowBank(ftParticleBank, Logger::Header("INPUT FT PARTICLES"));
+    for(int row = 0; row < ftParticleBank.getRows(); row++) {
+      if(ftParticleBank.getInt("pid", row) == particle::PDG::electron) {
+        auto px = ftParticleBank.getFloat("px", row);
+        auto py = ftParticleBank.getFloat("py", row);
+        auto pz = ftParticleBank.getFloat("pz", row);
+        auto E = std::hypot(std::hypot(px, py, pz), electron_mass);
+        auto [px_new, py_new, pz_new, E_new] = Transform(px, py, pz, E);
+        ftParticleBank.putFloat("px", row, px_new);
+        ftParticleBank.putFloat("py", row, py_new);
+        ftParticleBank.putFloat("pz", row, pz_new);
+      }
+    }
+    ShowBank(ftParticleBank, Logger::Header("OUTPUT FT PARTICLES"));
+  }
 
+  vector4_t  FTEnergyCorrection::Transform(
+      vector_element_t px,
+      vector_element_t py,
+      vector_element_t pz,
+      vector_element_t E) const
+  {
+    vector_element_t rho = std::hypot(px, py, pz);
+    vector_element_t E_new = E +  0.0208922 + 0.050158*E - 0.0181107*pow(E,2) + 0.00305671*pow(E,3) - 0.000178235*pow(E,4);
+    return { E_new*(px/rho), E_new*(py/rho), E_new*(pz/rho), E_new };
+  }
 
+  void FTEnergyCorrection::Stop() {
   }
 
 }
diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection.h b/src/iguana/algorithms/clas12/FTEnergyCorrection.h
index 9c2d5830..d9f30ba0 100644
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection.h
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection.h
@@ -3,19 +3,10 @@
 #include "iguana/algorithms/Algorithm.h"
 #include "iguana/algorithms/TypeDefs.h"
 
-#include <TLorentzVector.h> // FIXME: use `ROOTVecOps` instead
-
 namespace iguana::clas12 {
 
   class FTEnergyCorrection : public Algorithm {
 
-    //###############################################################################################
-    //# Variables:
-    //#      TLorentzVector x: the 4-vector of the electron that needs to have its energy corrected.
-    //#      Double_t E_new: the corrected energy.
-    //#      Double_t Px_el, Py_el, Pz_el: 3-momentum components of the corrected electron. 
-    //#      TLorentzVector el_new: new electron 4-vector with the corrected energy.
-    //################################################################################################
     DEFINE_IGUANA_ALGORITHM(FTEnergyCorrection, clas12::FTEnergyCorrection)
 
     public:
@@ -24,11 +15,25 @@ namespace iguana::clas12 {
       void Run(hipo::banklist& banks) const override;
       void Stop() override;
 
-      // Transformation function that returns 4-vector of electron with corrected energy for the Forward Tagger.
-      TLorentzVector Correct(TLorentzVector x) const;
+      /// @action_function{scalar transformer}
+      /// Transformation function that returns 4-vector of electron with corrected energy for the Forward Tagger.
+      /// Currently only validated for Fall 2018 outbending data.
+      /// @param px @f$p_x@f$
+      /// @param py @f$p_y@f$
+      /// @param pz @f$p_z@f$
+      /// @param E @f$E@f$
+      /// @returns an electron 4-vector with the corrected energy for the Forward Tagger.
+      vector4_t Transform(
+          vector_element_t px,
+          vector_element_t py,
+          vector_element_t pz,
+          vector_element_t E) const;
 
     private:
 
+      hipo::banklist::size_type b_ft_particle;
+      double electron_mass;
+
   };
 
 }
diff --git a/src/iguana/algorithms/meson.build b/src/iguana/algorithms/meson.build
index 6c2af486..af05d535 100644
--- a/src/iguana/algorithms/meson.build
+++ b/src/iguana/algorithms/meson.build
@@ -79,9 +79,8 @@ algo_dict = {
     'algorithm': {
       'sources': [ 'clas12/FTEnergyCorrection.cc' ],
       'headers': [ 'clas12/FTEnergyCorrection.h' ],
-      'needs_ROOT': true,
     },
-    'test_args': { 'banks': [] }, # FIXME: what banks will this algorithm use?
+    'test_args': { 'banks': ['RECFT::Particle'] },
   },
   'clas12::MomentumCorrection': {
     'algorithm': {

From 3cecae30c0fc8fca75ddaeb50ca2852401ff7af2 Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Thu, 9 May 2024 18:23:53 -0400
Subject: [PATCH 13/18] fix: documentation

---
 src/iguana/algorithms/clas12/FTEnergyCorrection.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection.h b/src/iguana/algorithms/clas12/FTEnergyCorrection.h
index d9f30ba0..db89b741 100644
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection.h
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection.h
@@ -5,6 +5,12 @@
 
 namespace iguana::clas12 {
 
+  /// @brief_algo Forward Tagger energy correction
+  ///
+  /// @begin_doc_algo{Transformer}
+  /// @input_banks{RECFT::Particle}
+  /// @output_banks{RECFT::Particle}
+  /// @end_doc
   class FTEnergyCorrection : public Algorithm {
 
     DEFINE_IGUANA_ALGORITHM(FTEnergyCorrection, clas12::FTEnergyCorrection)

From 917ce7159e56604489d298b623a1fbf7ade4cf0a Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Fri, 10 May 2024 22:54:32 -0400
Subject: [PATCH 14/18] fix: bank `.getRows` -> `.getRowList`

---
 src/iguana/algorithms/clas12/FTEnergyCorrection.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection.cc b/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
index fd27a96c..932f2616 100644
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection.cc
@@ -11,7 +11,7 @@ namespace iguana::clas12 {
   void FTEnergyCorrection::Run(hipo::banklist& banks) const {
     auto& ftParticleBank = GetBank(banks, b_ft_particle, "RECFT::Particle");
     ShowBank(ftParticleBank, Logger::Header("INPUT FT PARTICLES"));
-    for(int row = 0; row < ftParticleBank.getRows(); row++) {
+    for(auto const& row : ftParticleBank.getRowList()) {
       if(ftParticleBank.getInt("pid", row) == particle::PDG::electron) {
         auto px = ftParticleBank.getFloat("px", row);
         auto py = ftParticleBank.getFloat("py", row);

From ea121161a48ccca4f78ca50df443497590880234 Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Fri, 17 May 2024 17:00:38 -0400
Subject: [PATCH 15/18] fix: `CODEOWNERS`

---
 CODEOWNERS | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CODEOWNERS b/CODEOWNERS
index cc77756c..72d198aa 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -1,6 +1,7 @@
 #################################################################################
 # GitHub Handle                Name
 # =============                ====
+# @asligonulacar               Asli Acar
 # @c-dilks                     Christopher Dilks
 # @RichCap                     Richard Capobianco
 # @rtysonCLAS12                Richard Tyson
@@ -10,4 +11,5 @@
 src/iguana/algorithms/clas12/MomentumCorrection.* @RichCap @c-dilks
 src/iguana/algorithms/clas12/ZVertexFilter.* @rtysonCLAS12
 src/iguana/algorithms/clas12/SectorFinder.* @rtysonCLAS12
+src/iguana/algorithms/clas12/FTEnergyCorrection.* @asligonulacar
 src/iguana/services/YAMLReader.* @rtysonCLAS12 @c-dilks

From 757afee48cc861e1d147f6de08d2b05fc3a177c6 Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Fri, 17 May 2024 17:01:28 -0400
Subject: [PATCH 16/18] doc: fixme reminder for PR #206

---
 CODEOWNERS | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CODEOWNERS b/CODEOWNERS
index 72d198aa..54f70cad 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -11,5 +11,5 @@
 src/iguana/algorithms/clas12/MomentumCorrection.* @RichCap @c-dilks
 src/iguana/algorithms/clas12/ZVertexFilter.* @rtysonCLAS12
 src/iguana/algorithms/clas12/SectorFinder.* @rtysonCLAS12
-src/iguana/algorithms/clas12/FTEnergyCorrection.* @asligonulacar
+src/iguana/algorithms/clas12/FTEnergyCorrection.* @asligonulacar ####### FIXME: respect PR 206
 src/iguana/services/YAMLReader.* @rtysonCLAS12 @c-dilks

From daa38466602ca9de8372e1b4f5d48deafec3f071 Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Mon, 20 May 2024 15:57:41 -0400
Subject: [PATCH 17/18] fix: move algorithm into its own directory (respect PR
 #206)

---
 .../{FTEnergyCorrection.cc => FTEnergyCorrection/Algorithm.cc}    | 0
 .../{FTEnergyCorrection.h => FTEnergyCorrection/Algorithm.h}      | 0
 2 files changed, 0 insertions(+), 0 deletions(-)
 rename src/iguana/algorithms/clas12/{FTEnergyCorrection.cc => FTEnergyCorrection/Algorithm.cc} (100%)
 rename src/iguana/algorithms/clas12/{FTEnergyCorrection.h => FTEnergyCorrection/Algorithm.h} (100%)

diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection.cc b/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.cc
similarity index 100%
rename from src/iguana/algorithms/clas12/FTEnergyCorrection.cc
rename to src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.cc
diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection.h b/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.h
similarity index 100%
rename from src/iguana/algorithms/clas12/FTEnergyCorrection.h
rename to src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.h

From c01cd25bc7ba43b947f5109716cd9c11e32076c8 Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Wed, 22 May 2024 09:46:00 -0400
Subject: [PATCH 18/18] fix: wrong include

---
 src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.cc b/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.cc
index 932f2616..48c26021 100644
--- a/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.cc
+++ b/src/iguana/algorithms/clas12/FTEnergyCorrection/Algorithm.cc
@@ -1,4 +1,4 @@
-#include "FTEnergyCorrection.h"
+#include "Algorithm.h"
 
 namespace iguana::clas12 {
   REGISTER_IGUANA_ALGORITHM(FTEnergyCorrection);