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-rw-r--r--examples/corelib/threads/mandelbrot/renderthread.cpp9
1 files changed, 4 insertions, 5 deletions
diff --git a/examples/corelib/threads/mandelbrot/renderthread.cpp b/examples/corelib/threads/mandelbrot/renderthread.cpp
index e114fa0e7e..d52a5f2320 100644
--- a/examples/corelib/threads/mandelbrot/renderthread.cpp
+++ b/examples/corelib/threads/mandelbrot/renderthread.cpp
@@ -41,8 +41,7 @@
#include "renderthread.h"
#include <QtWidgets>
-
-#include <math.h>
+#include <cmath>
//! [0]
RenderThread::RenderThread(QObject *parent)
@@ -207,9 +206,9 @@ uint RenderThread::rgbFromWaveLength(double wave)
else if (wave < 420.0)
s = 0.3 + 0.7 * (wave - 380.0) / (420.0 - 380.0);
- r = pow(r * s, 0.8);
- g = pow(g * s, 0.8);
- b = pow(b * s, 0.8);
+ r = std::pow(r * s, 0.8);
+ g = std::pow(g * s, 0.8);
+ b = std::pow(b * s, 0.8);
return qRgb(int(r * 255), int(g * 255), int(b * 255));
}
//! [10]