From e696254bc52f1e1574cfeb7808aa535d43af37de Mon Sep 17 00:00:00 2001
From: "Penn, John M 047828115" <john.m.penn@nasa.gov>
Date: Wed, 24 Feb 2021 22:38:35 -0600
Subject: [PATCH] SAIntegrator: Add getLastStepSize() method to
 RKF45Integrator. #1114

---
 trick_source/trick_utils/SAIntegrator/include/SAIntegrator.hh | 1 +
 trick_source/trick_utils/SAIntegrator/src/SAIntegrator.cpp    | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/trick_source/trick_utils/SAIntegrator/include/SAIntegrator.hh b/trick_source/trick_utils/SAIntegrator/include/SAIntegrator.hh
index 7ff7723d..17415c06 100644
--- a/trick_source/trick_utils/SAIntegrator/include/SAIntegrator.hh
+++ b/trick_source/trick_utils/SAIntegrator/include/SAIntegrator.hh
@@ -164,6 +164,7 @@ namespace SA {
         void step();
         // Returns the next suggested step-size.
         double adaptive_step( double h);
+        double getLastStepSize();
 
         friend std::ostream& operator<<(std::ostream& os, const SA::RKF45Integrator& I);
     };
diff --git a/trick_source/trick_utils/SAIntegrator/src/SAIntegrator.cpp b/trick_source/trick_utils/SAIntegrator/src/SAIntegrator.cpp
index d422e5e6..8f114b68 100644
--- a/trick_source/trick_utils/SAIntegrator/src/SAIntegrator.cpp
+++ b/trick_source/trick_utils/SAIntegrator/src/SAIntegrator.cpp
@@ -614,6 +614,9 @@ void SA::RKF45Integrator::advanceIndyVar(double h) {
 void SA::RKF45Integrator::step() {
     adaptive_step( next_h );
 }
+
+double SA::RKF45Integrator::getLastStepSize() {return last_h;}
+
 double SA::RKF45Integrator::adaptive_step(double h) {
     double wstate[5][state_size];
     double derivs[6][state_size];