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Mark log2fapprox as const.

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srcejon
2024-03-04 15:51:03 +00:00
parent 0b372d983e
commit 84e091a1b2
2 changed files with 2 additions and 2 deletions
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sdrbase/dsp/spectrumvis.cpp
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@@ -1098,7 +1098,7 @@ void SpectrumVis::webapiUpdateSpectrumSettings(
// so we can use the following approximation to get a good speed-up for both compilers:
// https://www.vplesko.com/posts/replacing_log2f.html
// https://www.vplesko.com/assets/replacing_log2f/main.c.txt
float SpectrumVis::log2fapprox(float x)
float SpectrumVis::log2fapprox(float x) const
{
// IEEE 754 representation constants.
const int32_t mantissaLen = 23;