Silence some conversion warnings

src/analyzer/analyzerbase.cpp

@@ -73,7 +73,7 @@ void Analyzer::Base::transform(Scope &scope) {
   }
 
   fht_->logSpectrum(scope.data(), aux.data());
-  fht_->scale(scope.data(), 1.0 / 20);
+  fht_->scale(scope.data(), 1.0F / 20);
 
   scope.resize(fht_->size() / 2);  // second half of values are rubbish
 

src/analyzer/blockanalyzer.cpp

@@ -130,7 +130,7 @@ void BlockAnalyzer::transform(Analyzer::Scope &s) {
   for (uint x = 0; x < s.size(); ++x) s[x] *= 2;
 
   fht_->spectrum(s.data());
-  fht_->scale(s.data(), 1.0 / 20);
+  fht_->scale(s.data(), 1.0F / 20);
 
   // the second half is pretty dull, so only show it if the user has a large analyzer by setting to scope_.size() if large we prevent interpolation of large analyzers, this is good!
   s.resize(scope_.size() <= kMaxColumns / 2 ? kMaxColumns / 2 : scope_.size());

src/analyzer/boomanalyzer.cpp

@@ -102,7 +102,7 @@ void BoomAnalyzer::resizeEvent(QResizeEvent *e) {
 void BoomAnalyzer::transform(Scope &s) {
 
   fht_->spectrum(s.data());
-  fht_->scale(s.data(), 1.0 / 50);
+  fht_->scale(s.data(), 1.0F / 50);
 
   s.resize(scope_.size() <= static_cast<quint64>(kMaxBandCount) / 2 ? kMaxBandCount / 2 : scope_.size());