From f5d2bca4f6066c8d3f9f6fa4718c433bec382cbb Mon Sep 17 00:00:00 2001
From: Robin Getz <rgetz503@gmail.com>
Date: Sun, 2 Aug 2026 19:50:33 -0400
Subject: [PATCH] ft4: Initialize uninitialized phase variable in soft decoder

Coverity reported an uninitialized scalar variable in FT4::soft_c2m().
Initialize the maximum tone phase value to avoid using an undefined value
when no tone exceeds the initial magnitude threshold.

Signed-off-by: Robin Getz <rgetz503@gmail.com>
---
 ft8/ft4.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ft8/ft4.cpp b/ft8/ft4.cpp
index 4ed686670..44ee0d536 100644
--- a/ft8/ft4.cpp
+++ b/ft8/ft4.cpp
@@ -1452,7 +1452,7 @@ std::vector<std::vector<float>> FT4::soft_c2m(const FFTEngine::ffts_t &c103) con
     {
         m103[si].resize(4);
         float mx = -std::numeric_limits<float>::infinity();
-        float mx_phase;
+        float mx_phase = 0.0f;
 
         for (int bi = 0; bi < 4; bi++)
         {