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-rw-r--r--src/ipa/rpi/controller/rpi/sharpen.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/ipa/rpi/controller/rpi/sharpen.cpp b/src/ipa/rpi/controller/rpi/sharpen.cpp
index 4f6f020a..1d143ff5 100644
--- a/src/ipa/rpi/controller/rpi/sharpen.cpp
+++ b/src/ipa/rpi/controller/rpi/sharpen.cpp
@@ -2,10 +2,10 @@
/*
* Copyright (C) 2019, Raspberry Pi Ltd
*
- * sharpen.cpp - sharpening control algorithm
+ * sharpening control algorithm
*/
-#include <math.h>
+#include <cmath>
#include <libcamera/base/log.h>
@@ -68,7 +68,7 @@ void Sharpen::prepare(Metadata *imageMetadata)
* we adjust the limit and threshold less aggressively. Using a sqrt
* function is an arbitrary but gentle way of accomplishing this.
*/
- double userStrengthSqrt = sqrt(userStrength_);
+ double userStrengthSqrt = std::sqrt(userStrength_);
struct SharpenStatus status;
/*
* Binned modes seem to need the sharpening toned down with this