From 62218e81bfb6496f1fe52aaa83140d8438a60170 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Wed, 8 Nov 2017 22:48:44 -0500
Subject: [PATCH] Fixes the FIR filter again from the Apple side.

---
 SignalProcessing/FIRFilter.hpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/SignalProcessing/FIRFilter.hpp b/SignalProcessing/FIRFilter.hpp
index 0fcb3a4cd..8f7afaf39 100644
--- a/SignalProcessing/FIRFilter.hpp
+++ b/SignalProcessing/FIRFilter.hpp
@@ -29,14 +29,15 @@
 
 #ifdef __APPLE__
 #include <Accelerate/Accelerate.h>
-#else
-#define kCSKaiserBesselFilterFixedMultiplier	32767.0f
-#define kCSKaiserBesselFilterFixedShift			15
 #endif
 
 namespace SignalProcessing {
 
 class FIRFilter {
+	private:
+		static constexpr float kCSKaiserBesselFilterFixedMultiplier = 32767.0f;
+		static constexpr int kCSKaiserBesselFilterFixedShift = 15;
+
 	public:
 		/*!
 			Creates an instance of @c FIRFilter.