From 2f77fef10e10215f069ec0b57175dd53b9593dd5 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Sun, 12 Dec 2021 08:48:30 +1100
Subject: [PATCH] AP_HAL_SITL: permit float-equal while we do comparison vs
 INFINITY

---
 libraries/AP_HAL_SITL/sitl_rangefinder.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libraries/AP_HAL_SITL/sitl_rangefinder.cpp b/libraries/AP_HAL_SITL/sitl_rangefinder.cpp
index 4c7af7d1f3..93fb75fab6 100644
--- a/libraries/AP_HAL_SITL/sitl_rangefinder.cpp
+++ b/libraries/AP_HAL_SITL/sitl_rangefinder.cpp
@@ -32,9 +32,12 @@ float SITL_State::_sonar_pin_voltage() const
     }
 
     const float altitude = sitl_model->rangefinder_range();
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wfloat-equal"
     if (altitude == INFINITY) {
         return 5.0f;
     }
+#pragma GCC diagnostic pop
 
     // Altitude in in m, scaler in meters/volt
     const float voltage = altitude / _sitl->sonar_scale;