mirror of https://github.com/f4exb/sdrangel.git
Mark log2fapprox as const.
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@ -1098,7 +1098,7 @@ void SpectrumVis::webapiUpdateSpectrumSettings(
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// so we can use the following approximation to get a good speed-up for both compilers:
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// so we can use the following approximation to get a good speed-up for both compilers:
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// https://www.vplesko.com/posts/replacing_log2f.html
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// https://www.vplesko.com/posts/replacing_log2f.html
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// https://www.vplesko.com/assets/replacing_log2f/main.c.txt
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// https://www.vplesko.com/assets/replacing_log2f/main.c.txt
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float SpectrumVis::log2fapprox(float x)
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float SpectrumVis::log2fapprox(float x) const
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{
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{
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// IEEE 754 representation constants.
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// IEEE 754 representation constants.
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const int32_t mantissaLen = 23;
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const int32_t mantissaLen = 23;
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@ -259,7 +259,7 @@ private:
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void handleScalef(Real scalef);
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void handleScalef(Real scalef);
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void handleWSOpenClose(bool openClose);
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void handleWSOpenClose(bool openClose);
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void handleConfigureWSSpectrum(const QString& address, uint16_t port);
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void handleConfigureWSSpectrum(const QString& address, uint16_t port);
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float log2fapprox(float x);
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float log2fapprox(float x) const;
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static void webapiFormatSpectrumSettings(SWGSDRangel::SWGGLSpectrum& response, const SpectrumSettings& settings);
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static void webapiFormatSpectrumSettings(SWGSDRangel::SWGGLSpectrum& response, const SpectrumSettings& settings);
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static void webapiUpdateSpectrumSettings(
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static void webapiUpdateSpectrumSettings(
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