technically correct 'tau'

synthetizer.cpp

@@ -6,7 +6,7 @@
 #include <string>
 
 const int SAMPLE_RATE = 44100;
-const double TWO_PI = 6.283185307179586476925286766559;
+const double M_TAU = 6.283185307179586476925286766559;
 
 // Enum for waveform types
 enum Waveform {
@@ -76,7 +76,7 @@ bool loadWaveParams(const std::string& filename, std::vector<Wave>& waves, int&
 
 // Waveform generation functions
 double sineWave(double frequency, double time) {
-    return std::sin(TWO_PI * frequency * time);
+    return std::sin(M_TAU * frequency * time);
 }
 
 double triangleWave(double frequency, double time) {