From cd622f432f65d28008784f8065b34631d4349141 Mon Sep 17 00:00:00 2001
From: Bob van Loosen <bob.loosen@gmail.com>
Date: Wed, 29 Jul 2020 20:13:36 +0200
Subject: [PATCH] fixed: compile

---
 src/bitvis/bitvis.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/bitvis/bitvis.cpp b/src/bitvis/bitvis.cpp
index 69b04b8..407c3c4 100644
--- a/src/bitvis/bitvis.cpp
+++ b/src/bitvis/bitvis.cpp
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <assert.h>
+#include <complex>
 
 using namespace std;
 
@@ -460,7 +461,11 @@ void CBitVis::ProcessAudio()
 
         m_nrffts++;
         for (int j = 0; j < m_nrbins; j++)
-          m_fftbuf[j] += cabsf(m_fft.m_outbuf[j]) / m_fft.m_bufsize;
+        {
+          std::complex<float> bin;
+          memcpy(&bin, m_fft.m_outbuf[j], sizeof(bin));
+          m_fftbuf[j] += std::abs(bin) / m_fft.m_bufsize;
+        }
       }
 
       if (m_samplecounter % (samplerate / m_fps) == 0)