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

---
 src/common.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/common.cpp')

diff --git a/src/common.cpp b/src/common.cpp
index 2a9d17c7..bd690924 100644
--- a/src/common.cpp
+++ b/src/common.cpp
@@ -370,15 +370,17 @@ bool Measure::operator==(const Measure &other) PROJ_CONST_DEFN {
 /** \brief Returns whether an object is equivalent to another one.
  * @param other other object to compare to
  * @param criterion comparaison criterion.
+ * @param maxRelativeError Maximum relative error allowed.
  * @return true if objects are equivalent.
  */
 bool Measure::_isEquivalentTo(const Measure &other,
-                              util::IComparable::Criterion criterion) const {
+                              util::IComparable::Criterion criterion,
+                              double maxRelativeError) const {
     if (criterion == util::IComparable::Criterion::STRICT) {
         return operator==(other);
     }
     return std::fabs(getSIValue() - other.getSIValue()) <=
-           1e-10 * std::fabs(getSIValue());
+           maxRelativeError * std::fabs(getSIValue());
 }
 
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