From ee13c90edae097679002adcae4dd726dd3f31164 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Thu, 20 Mar 2025 16:50:35 +0100
Subject: This might work?

---
 c++/descriptor.h | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'c++/descriptor.h')

diff --git a/c++/descriptor.h b/c++/descriptor.h
index 564a705..fad9bf2 100644
--- a/c++/descriptor.h
+++ b/c++/descriptor.h
@@ -40,7 +40,11 @@ class df_info{};
 
 template<typename T>
 class df_info<T,sch::Descriptor<2, 5>> {
-	static constexpr std::array<std::array<int32_t, 2>, 5> directions = {{
+public:
+	static constexpr uint64_t D = 2u;
+	static constexpr uint64_t Q = 5u;
+
+	static constexpr std::array<std::array<int32_t, D>, Q> directions = {{
 		{ 0, 0},
 		{-1, 0},
 		{ 0,-1},
@@ -48,7 +52,7 @@ class df_info<T,sch::Descriptor<2, 5>> {
 		{ 1, 0}
 	}};
 
-	static constexpr std::array<typename saw::native_data_type<T>::type,5> weights = {
+	static constexpr std::array<typename saw::native_data_type<T>::type,Q> weights = {
 		1./3.,
 		1./6.,
 		1./6.,
@@ -56,6 +60,14 @@ class df_info<T,sch::Descriptor<2, 5>> {
 		1./6.
 	};
 
+	static constexpr std::array<uint64_t,Q> opposite_index = {
+		0,
+		3,
+		4,
+		1,
+		2
+	};
+
 	static constexpr typename saw::native_data_type<T>::type cs2 = 1./3.;
 };
 }
-- 
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