From 17b8566f303e0585d7cd775afd5d39da8058fdc3 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Thu, 13 Dec 2018 17:49:11 +0100
Subject: Prime meridian equivalence: increase tolerance

---
 include/proj/common.hpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/proj/common.hpp b/include/proj/common.hpp
index 91756c62..29d2c774 100644
--- a/include/proj/common.hpp
+++ b/include/proj/common.hpp
@@ -158,10 +158,14 @@ class Measure : public util::BaseObject {
 
     PROJ_DLL bool operator==(const Measure &other) PROJ_CONST_DECL;
 
+    /** Default maximum resulative error. */
+    static constexpr double DEFAULT_MAX_REL_ERROR = 1e-10;
+
     PROJ_INTERNAL bool
     _isEquivalentTo(const Measure &other,
                     util::IComparable::Criterion criterion =
-                        util::IComparable::Criterion::STRICT) const;
+                        util::IComparable::Criterion::STRICT,
+                    double maxRelativeError = DEFAULT_MAX_REL_ERROR) const;
 
   private:
     PROJ_OPAQUE_PRIVATE_DATA
-- 
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