From a225f3a9d2ddcf30130e08bc6a8e3bc73d8fe6b8 Mon Sep 17 00:00:00 2001
From: joaorebelo-megum <joao.c.g.rebelo@tecnico.ulisboa.pt>
Date: Fri, 12 Apr 2024 15:48:51 +0100
Subject: [PATCH] Fixup: Add comment

---
 .../AnalyticData/Xcts/BinaryWithGravitationalWaves.cpp           | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/PointwiseFunctions/AnalyticData/Xcts/BinaryWithGravitationalWaves.cpp b/src/PointwiseFunctions/AnalyticData/Xcts/BinaryWithGravitationalWaves.cpp
index db3434f940177..2b1811c358ca4 100644
--- a/src/PointwiseFunctions/AnalyticData/Xcts/BinaryWithGravitationalWaves.cpp
+++ b/src/PointwiseFunctions/AnalyticData/Xcts/BinaryWithGravitationalWaves.cpp
@@ -883,6 +883,7 @@ void BinaryWithGravitationalWavesVariables<
   using boost::math::interpolators::cardinal_cubic_hermite;
 
   for (size_t i = 0; i < 3; ++i) {
+    // static_cast being used because boost requires non-const arrays
     interpolation_position_left.at(i) = cardinal_cubic_hermite(
         static_cast<std::vector<double>>(past_position_left.at(i)),
         static_cast<std::vector<double>>(past_dt_position_left.at(i)),