From d61ad0bc268bc0ee3a231c3a34f42c896a785c3d Mon Sep 17 00:00:00 2001
From: David Loiseaux <david.lapous@gmail.com>
Date: Tue, 3 Oct 2023 14:26:12 +0200
Subject: [PATCH] fix numeric_limits with multi filtrations

---
 .../multi_filtrations/Finitely_critical_filtrations.h       | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Simplex_tree/include/gudhi/Simplex_tree/multi_filtrations/Finitely_critical_filtrations.h b/src/Simplex_tree/include/gudhi/Simplex_tree/multi_filtrations/Finitely_critical_filtrations.h
index 19b0804c8f..9343c9a723 100644
--- a/src/Simplex_tree/include/gudhi/Simplex_tree/multi_filtrations/Finitely_critical_filtrations.h
+++ b/src/Simplex_tree/include/gudhi/Simplex_tree/multi_filtrations/Finitely_critical_filtrations.h
@@ -176,10 +176,14 @@ template<typename T>
 class numeric_limits<Gudhi::multiparameter::multi_filtrations::Finitely_critical_multi_filtration<T>>
 {
 public:
+static constexpr bool has_infinity = true; 
+
 	static Gudhi::multiparameter::multi_filtrations::Finitely_critical_multi_filtration<T> infinity() throw(){
 		return Gudhi::multiparameter::multi_filtrations::Finitely_critical_multi_filtration<T>(1, std::numeric_limits<T>::infinity());
 	};
-
+static Gudhi::multiparameter::multi_filtrations::Finitely_critical_multi_filtration<T> max() throw(){
+		return Gudhi::multiparameter::multi_filtrations::Finitely_critical_multi_filtration<T>(1, std::numeric_limits<T>::max());
+	};
 	static Gudhi::multiparameter::multi_filtrations::Finitely_critical_multi_filtration<T> quiet_NaN() throw(){
 		return Gudhi::multiparameter::multi_filtrations::Finitely_critical_multi_filtration<T>(1, numeric_limits<T>::quiet_NaN());
 	};