From 8ffc1482c88fd1c503524f6e328f69fe3fdede6c Mon Sep 17 00:00:00 2001
From: Arnur Nigmetov <a.nigmetov@gmail.com>
Date: Thu, 31 May 2018 20:44:59 +0200
Subject: Fix bug in point cloud version.

internal_p was not respected by DynamicPointTraits, l_2 distance was always used.
---
 geom_matching/wasserstein/include/hera_infinity.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 geom_matching/wasserstein/include/hera_infinity.h

(limited to 'geom_matching/wasserstein/include/hera_infinity.h')

diff --git a/geom_matching/wasserstein/include/hera_infinity.h b/geom_matching/wasserstein/include/hera_infinity.h
new file mode 100644
index 0000000..5a446e7
--- /dev/null
+++ b/geom_matching/wasserstein/include/hera_infinity.h
@@ -0,0 +1,22 @@
+#ifndef WASSERSTEIN_HERA_INFINITY_H
+#define WASSERSTEIN_HERA_INFINITY_H
+
+// we cannot assume that template parameter Real will always provide infinity() value,
+// so value -1.0 is used to encode infinity (l_inf norm is used by default)
+
+namespace hera {
+
+    template<class Real = double>
+    inline bool is_infinity(const Real& x)
+    {
+        return x == Real(-1);
+    };
+
+    template<class Real = double>
+    inline Real get_infinity()
+    {
+        return Real(-1);
+    }
+}
+
+#endif //WASSERSTEIN_HERA_INFINITY_H
-- 
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