Allow performing bit reversal on the complex part of the input

library.json

@@ -25,7 +25,7 @@
       "email": "bim.overbohm@googlemail.com"
     }
   ],
-  "version": "2.0.3",
+  "version": "2.0.4",
   "frameworks": ["arduino","mbed","espidf"],
   "platforms": "*",
   "headers": "arduinoFFT.h"

library.properties

@@ -1,9 +1,9 @@
 name=arduinoFFT
-version=2.0.3
+version=2.0.4
 author=Enrique Condes <enrique@shapeoko.com>
 maintainer=Enrique Condes <enrique@shapeoko.com>
 sentence=A library for implementing floating point Fast Fourier Transform calculations on the Arduino framework.
-paragraph=With this library you can calculate the dominant frequency of a sampled signal.
+paragraph=With this library you can calculate the frequencies present on a sampled signal.
 category=Data Processing
 url=https://github.com/kosme/arduinoFFT
 architectures=*

src/arduinoFFT.cpp

@@ -82,6 +82,9 @@ void ArduinoFFT<T>::compute(T *vReal, T *vImag, uint_fast16_t samples,
   for (uint_fast16_t i = 0; i < (samples - 1); i++) {
     if (i < j) {
       swap(&vReal[i], &vReal[j]);
+      #ifdef COMPLEX_INPUT
+      swap(&vImag[i], &vImag[j]);
+      #endif
       if (dir == FFTDirection::Reverse)
         swap(&vImag[i], &vImag[j]);
     }