From e7888073718aadd7c35a78f88792a73a4e3a8300 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Mon, 6 Dec 2021 16:24:43 +0200
Subject: libcamera: Use utils::abs_diff()

Use the new utils::abs_diff() function where appropriate to replace
manual implementations.

While at it fix a header ordering issue in
src/libcamera/pipeline/raspberrypi/raspberrypi.cpp.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
---
 src/ipa/rkisp1/algorithms/agc.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/ipa/rkisp1')

diff --git a/src/ipa/rkisp1/algorithms/agc.cpp b/src/ipa/rkisp1/algorithms/agc.cpp
index d6abdc31..dd97afc0 100644
--- a/src/ipa/rkisp1/algorithms/agc.cpp
+++ b/src/ipa/rkisp1/algorithms/agc.cpp
@@ -12,6 +12,7 @@
 #include <cmath>
 
 #include <libcamera/base/log.h>
+#include <libcamera/base/utils.h>
 
 #include <libcamera/ipa/core_ipa_interface.h>
 
@@ -145,7 +146,7 @@ void Agc::computeExposure(IPAContext &context, double yGain)
 					  kMaxAnalogueGain);
 
 	/* Consider within 1% of the target as correctly exposed. */
-	if (std::abs(yGain - 1.0) < 0.01)
+	if (utils::abs_diff(yGain, 1.0) < 0.01)
 		return;
 
 	/* extracted from Rpi::Agc::computeTargetExposure. */
-- 
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