From 999ee7d2be8e46493156c88c1d378e34328b17ee Mon Sep 17 00:00:00 2001
From: Ahmet Inan <inan@aicodix.de>
Date: Wed, 11 Mar 2020 23:35:01 +0100
Subject: [PATCH] check if TAPS-1 is divisible by four

---
 cdc.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cdc.hh b/cdc.hh
index 1d56553..466c021 100644
--- a/cdc.hh
+++ b/cdc.hh
@@ -14,6 +14,7 @@ namespace DSP {
 template <typename TYPE, int TAPS>
 class CDC
 {
+	static_assert((TAPS-1) % 4 == 0, "TAPS-1 not divisible by four");
 	typedef TYPE complex_type;
 	typedef typename TYPE::value_type value_type;
 	value_type real[(TAPS-1)/4];