From 23f657dbbedd71466a7f73a8f4d51ef5e28ebc27 Mon Sep 17 00:00:00 2001
From: Erik <emcp@whichdegree.co>
Date: Wed, 8 Aug 2018 21:11:55 +0200
Subject: [PATCH 1/2] getting a warning when executing regarding abs()

---
 examples/audiometer.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/audiometer.jl b/examples/audiometer.jl
index 8c03711..c0e4059 100644
--- a/examples/audiometer.jl
+++ b/examples/audiometer.jl
@@ -9,7 +9,7 @@ function micmeter(metersize)
     println("Press Ctrl-C to quit")
     while true
         block = read(mic, 512)
-        blockmax = maximum(abs(block)) # find the maximum value in the block
+        blockmax = maximum(abs.(block)) # find the maximum value in the block
         signalmax = max(signalmax, blockmax) # keep the maximum value ever
         print("\r") # reset the cursor to the beginning of the line
         printmeter(metersize, blockmax, signalmax)

From f1828824a10edc19a48e4391b4cc2dd4dce572d8 Mon Sep 17 00:00:00 2001
From: emcp <emcp@whichdegree.co>
Date: Thu, 9 Aug 2018 17:32:05 +0200
Subject: [PATCH 2/2] Found another warning regarding abs.

---
 examples/spectrum.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/spectrum.jl b/examples/spectrum.jl
index 18fbc5d..88f80fa 100644
--- a/examples/spectrum.jl
+++ b/examples/spectrum.jl
@@ -14,7 +14,7 @@ const fs = Float32[float(f) for f in domain(fft(buf)[fmin..fmax])]
 
 while true
     read!(stream, buf)
-    plot(fs, abs(fft(buf)[fmin..fmax]), xlim=(fs[1],fs[end]), ylim=(0,100))
+    plot(fs, abs.(fft(buf)[fmin..fmax]), xlim=(fs[1],fs[end]), ylim=(0,100))
 end
 
 end