From 3effa02eb9cff446f151d2ba773161c9044fd301 Mon Sep 17 00:00:00 2001
From: Kamil Skwarczynski <skwarczynskikamil@gmail.com>
Date: Wed, 5 Aug 2026 08:57:00 +0000
Subject: [PATCH 1/2] Start testing if we can apply reweight to umbrella
 solver.

---
 CIValidations/MaCh3CLI | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CIValidations/MaCh3CLI b/CIValidations/MaCh3CLI
index 7cc1396..da1289f 100755
--- a/CIValidations/MaCh3CLI
+++ b/CIValidations/MaCh3CLI
@@ -123,6 +123,12 @@ run_multicanoical_validations() {
 
   ${MaCh3Tutorial_ROOT}/bin/UmbrellaSolver ${MaCh3Tutorial_ROOT}/bin/TutorialDiagConfig.yaml
   ${MaCh3Tutorial_ROOT}/bin/UmbrellaPlotting ${MaCh3Tutorial_ROOT}/umbrella_output.root ${MaCh3Tutorial_ROOT}/outputs/plotting/
+  # Basic MCMC processor test
+  ${MaCh3_ROOT}/bin/ProcessMCMC ${MaCh3Tutorial_ROOT}/bin/TutorialDiagConfig.yaml ${MaCh3Tutorial_ROOT}/umbrella/umbrellafile0.root NoUmbrellaWeight ${MaCh3Tutorial_ROOT}/umbrella_output.root UmbrellaWeight
+
+  # Testing of ReweightMCMC
+  ${MaCh3_ROOT}/bin/ReweightMCMC ${MaCh3Tutorial_ROOT}/TutorialConfigs/ReweightingConfigs/PDG_2023_1D.yaml ${MaCh3Tutorial_ROOT}/umbrella_output.root
+  ${MaCh3_ROOT}/bin/ProcessMCMC ${MaCh3Tutorial_ROOT}/bin/TutorialDiagConfig.yaml umbrella_output_reweighted_PDG_2023_1D.root
 }
 
 run_CLI_validations() {

From 8c96cf0c0df94119436b62f925535699a08083bf Mon Sep 17 00:00:00 2001
From: Kamil Skwarczynski <skwarczynskikamil@gmail.com>
Date: Wed, 5 Aug 2026 09:05:18 +0000
Subject: [PATCH 2/2] add better path finding

---
 CIValidations/MaCh3CLI | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/CIValidations/MaCh3CLI b/CIValidations/MaCh3CLI
index da1289f..5501ccc 100755
--- a/CIValidations/MaCh3CLI
+++ b/CIValidations/MaCh3CLI
@@ -72,31 +72,31 @@ run_fitter_validations() {
   ${MaCh3_ROOT}/bin/ProcessMCMC ${MaCh3Tutorial_ROOT}/bin/TutorialDiagConfig.yaml MCMC_Test_reweighted_PDG_2023_1D.root
   ${MaCh3_ROOT}/bin/ProcessMCMC ${MaCh3Tutorial_ROOT}/bin/TutorialDiagConfig.yaml MCMC_Test.root Default MCMC_Test_reweighted_PDG_2023_1D.root Reweighted
   # Testing prior predictive
-  ./bin/PredictiveTutorial TutorialConfigs/FitterConfig.yaml General:OutputFile:PriorPredictiveOutputTest.root Predictive:PriorPredictive:True
+  ${MaCh3_ROOT}/bin/PredictiveTutorial TutorialConfigs/FitterConfig.yaml General:OutputFile:PriorPredictiveOutputTest.root Predictive:PriorPredictive:True
 }
 
 run_covariance_validations() {
-  ./CIValidations/CovarianceValidations
-  ./CIValidations/MaCh3ModeValidations
-  ./CIValidations/pValueValidations
-  ./CIValidations/SigmaVarValidation
+  ${MaCh3Tutorial_ROOT}/CIValidations/CovarianceValidations
+  ${MaCh3Tutorial_ROOT}/CIValidations/MaCh3ModeValidations
+  ${MaCh3Tutorial_ROOT}/CIValidations/pValueValidations
+  ${MaCh3Tutorial_ROOT}/CIValidations/SigmaVarValidation
   if [ "$HAVE_UNITTEST_SUPPORT" -eq 0 ]; then
-    ./CIValidations/UnitTests/manager_tests
-    ./CIValidations/UnitTests/histogram_tests
-    ./CIValidations/UnitTests/statistical_tests
-    ./CIValidations/UnitTests/binning_parser_tests
+    ${MaCh3Tutorial_ROOT}/CIValidations/UnitTests/manager_tests
+    ${MaCh3Tutorial_ROOT}/CIValidations/UnitTests/histogram_tests
+    ${MaCh3Tutorial_ROOT}/CIValidations/UnitTests/statistical_tests
+    ${MaCh3Tutorial_ROOT}/CIValidations/UnitTests/binning_parser_tests
   fi
   ${MaCh3Tutorial_ROOT}/bin/LLHScanTutorial TutorialConfigs/FitterConfig.yaml
   ${MaCh3_ROOT}/bin/PlotLLH LLH_Test.root -s -g -l "blarb.root"
 }
 
 run_nu_mcmc_tools_validations() {
-  ./bin/MCMCTutorial TutorialConfigs/FitterConfig.yaml
-  ./CIValidations/NuMCMCconversion Test.root NewChain.root
+  ${MaCh3Tutorial_ROOT}/bin/MCMCTutorial TutorialConfigs/FitterConfig.yaml
+  ${MaCh3Tutorial_ROOT}/CIValidations/NuMCMCconversion Test.root NewChain.root
   pip install -r NuMCMCTools/requirements.txt
   export PYTHONPATH="$PYTHONPATH:${MaCh3Tutorial_ROOT}/NuMCMCTools"
   cp NewChain.root CIValidations/NewChain.root
-  python3 CIValidations/TestNuMCMC.py
+  python3 ${MaCh3Tutorial_ROOT}/CIValidations/TestNuMCMC.py
 }
 
 run_nudock_validations() {