From ea89a27e92af50196a906c0f4fd9d2938396fa7b Mon Sep 17 00:00:00 2001
From: Ahmet Inan <inan@aicodix.de>
Date: Tue, 25 Jul 2023 11:48:23 +0200
Subject: [PATCH] limit polar to order 20 and list decoder to 16

---
 polar_decoder.hh      | 11 +----------
 polar_list_decoder.hh | 15 +--------------
 2 files changed, 2 insertions(+), 24 deletions(-)

diff --git a/polar_decoder.hh b/polar_decoder.hh
index c50ad86..b4796d1 100644
--- a/polar_decoder.hh
+++ b/polar_decoder.hh
@@ -242,7 +242,7 @@ struct PolarTree<TYPE, 1>
 template <typename TYPE, int MAX_M>
 class PolarDecoder
 {
-	static_assert(MAX_M >= 5 && MAX_M <= 29);
+	static_assert(MAX_M >= 5 && MAX_M <= 20);
 	typedef PolarHelper<TYPE> PH;
 	static const int MAX_N = 1 << MAX_M;
 	TYPE soft[2*MAX_N];
@@ -272,15 +272,6 @@ public:
 		case 18: PolarTree<TYPE, 18>::decode(&message, hard, soft, frozen); break;
 		case 19: PolarTree<TYPE, 19>::decode(&message, hard, soft, frozen); break;
 		case 20: PolarTree<TYPE, 20>::decode(&message, hard, soft, frozen); break;
-		case 21: PolarTree<TYPE, 21>::decode(&message, hard, soft, frozen); break;
-		case 22: PolarTree<TYPE, 22>::decode(&message, hard, soft, frozen); break;
-		case 23: PolarTree<TYPE, 23>::decode(&message, hard, soft, frozen); break;
-		case 24: PolarTree<TYPE, 24>::decode(&message, hard, soft, frozen); break;
-		case 25: PolarTree<TYPE, 25>::decode(&message, hard, soft, frozen); break;
-		case 26: PolarTree<TYPE, 26>::decode(&message, hard, soft, frozen); break;
-		case 27: PolarTree<TYPE, 27>::decode(&message, hard, soft, frozen); break;
-		case 28: PolarTree<TYPE, 28>::decode(&message, hard, soft, frozen); break;
-		case 29: PolarTree<TYPE, 29>::decode(&message, hard, soft, frozen); break;
 		default: assert(false);
 		}
 	}
diff --git a/polar_list_decoder.hh b/polar_list_decoder.hh
index a558c72..b495925 100644
--- a/polar_list_decoder.hh
+++ b/polar_list_decoder.hh
@@ -274,7 +274,7 @@ struct PolarListTree<TYPE, 1>
 template <typename TYPE, int MAX_M>
 class PolarListDecoder
 {
-	static_assert(MAX_M >= 5 && MAX_M <= 29);
+	static_assert(MAX_M >= 5 && MAX_M <= 16);
 	typedef PolarHelper<TYPE> PH;
 	typedef typename TYPE::value_type VALUE;
 	typedef typename PH::PATH PATH;
@@ -308,19 +308,6 @@ public:
 		case 14: PolarListTree<TYPE, 14>::decode(metric, message, maps, &count, hard, soft, frozen); break;
 		case 15: PolarListTree<TYPE, 15>::decode(metric, message, maps, &count, hard, soft, frozen); break;
 		case 16: PolarListTree<TYPE, 16>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 17: PolarListTree<TYPE, 17>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 18: PolarListTree<TYPE, 18>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 19: PolarListTree<TYPE, 19>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 20: PolarListTree<TYPE, 20>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 21: PolarListTree<TYPE, 21>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 22: PolarListTree<TYPE, 22>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 23: PolarListTree<TYPE, 23>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 24: PolarListTree<TYPE, 24>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 25: PolarListTree<TYPE, 25>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 26: PolarListTree<TYPE, 26>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 27: PolarListTree<TYPE, 27>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 28: PolarListTree<TYPE, 28>::decode(metric, message, maps, &count, hard, soft, frozen); break;
-		case 29: PolarListTree<TYPE, 29>::decode(metric, message, maps, &count, hard, soft, frozen); break;
 		default: assert(false);
 		}