From 2e8cbb78ef3d7a87ec9fad2f96d49649c48bb59d Mon Sep 17 00:00:00 2001
From: Michele Guerini Rocco <m.guerinirocco2@campus.unimib.it>
Date: Fri, 1 Nov 2024 18:03:50 +0100
Subject: [PATCH] src/gray_core.f90: fix use of uninitialised variable

When the beam reflects before entering the boundary the Jones vector
(ext, eyt) is still uninitialised, set it at the beginning to avoid
raising an exception in debug mode.
---
 src/gray_core.f90 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gray_core.f90 b/src/gray_core.f90
index 13a89ce..ebeb3ff 100644
--- a/src/gray_core.f90
+++ b/src/gray_core.f90
@@ -164,6 +164,7 @@ contains
     ! Set original polarisation
     psipv(0) = params%antenna%psi
     chipv(0) = params%antenna%chi
+    call ellipse_to_field(psipv(0), chipv(0), ext, eyt)
 
     ! Error value for the whole simulation
     error = 0