Addressing review comments

* fixing behavior of red light in reverb VU meter
* removed more unnecessary casts to float_4

src/ABC.cpp

@@ -93,7 +93,7 @@ struct ABC : Module {
 		}
 		else {
 			for (int c = 0; c < activeEngines; c += 4)
-				inC[c / 4] = float_4(10.f * mult_C);
+				inC[c / 4] = 10.f * mult_C;
 		}
 
 		for (int c = 0; c < activeEngines; c += 4)

src/EvenVCO.cpp

@@ -102,7 +102,7 @@ struct EvenVCO : Module {
 			pw[c / 4] = rescale(clamp(pw[c / 4], -1.0f, 1.0f), -1.0f, 1.0f, 0.05f, 1.0f - 0.05f);
 
 			// Advance phase
-			deltaPhase[c / 4] = clamp(freq[c / 4] * args.sampleTime, float_4(1e-6f), float_4(0.5f));
+			deltaPhase[c / 4] = clamp(freq[c / 4] * args.sampleTime, 1e-6f, 0.5f);
 			oldPhase[c / 4] = phase[c / 4];
 			phase[c / 4] += deltaPhase[c / 4];
 		}

src/PulseGenerator_4.hpp

@@ -16,7 +16,7 @@ struct PulseGenerator_4 {
 
 		simd::float_4 mask = (remaining > 0.f);
 
-		remaining -= ifelse(mask, simd::float_4(deltaTime), 0.f);
+		remaining -= ifelse(mask, deltaTime, 0.f);
 		return ifelse(mask, simd::float_4::mask(), 0.f);
 	}
 

src/SpringReverb.cpp

@@ -46,6 +46,7 @@ struct SpringReverb : Module {
 	dsp::VuMeter2 lightFilter;
 	dsp::ClockDivider lightRefreshClock;
 
+	const float brightnessIntervals[8] = {17.f, 14.f, 12.f, 9.f, 6.f, 0.f, -6.f, -12.f};
 
 	SpringReverb() {
 		config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
@@ -135,8 +136,6 @@ struct SpringReverb : Module {
 
 		if (lightRefreshClock.process()) {
 
-			float brightnessIntervals[8] = {14.f, 14.f, 12.f, 9.f, 6.f, 0.f, -6.f, -12.f};
-
 			for (int i = 0; i < 7; i++) {
 				float brightness = vuFilter.getBrightness(brightnessIntervals[i + 1], brightnessIntervals[i]);
 				lights[VU1_LIGHTS + i].setBrightness(brightness);