From 0ab23ddbfee6b612ba715703ed5f3d6205534cde Mon Sep 17 00:00:00 2001
From: Dan Nixon <dan@dan-nixon.com>
Date: Mon, 2 Mar 2015 09:25:27 +0000
Subject: [PATCH] Fix RefAxis comparison in CheckWorkspacesMatch

Refs #11179
---
 Code/Mantid/Framework/API/inc/MantidAPI/RefAxis.h |  2 ++
 Code/Mantid/Framework/API/src/RefAxis.cpp         | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/Code/Mantid/Framework/API/inc/MantidAPI/RefAxis.h b/Code/Mantid/Framework/API/inc/MantidAPI/RefAxis.h
index aeb0787d8171..a9b08b94cb5a 100644
--- a/Code/Mantid/Framework/API/inc/MantidAPI/RefAxis.h
+++ b/Code/Mantid/Framework/API/inc/MantidAPI/RefAxis.h
@@ -54,6 +54,8 @@ class MANTID_API_DLL RefAxis : public NumericAxis {
                             const std::size_t &verticalIndex) const;
   virtual void setValue(const std::size_t &index, const double &value);
   virtual bool operator==(const Axis &) const;
+  bool equalWithinTolerance(const Axis &axis2,
+                            const double tolerance = 0.0) const;
   virtual double getMin() const;
   virtual double getMax() const;
 
diff --git a/Code/Mantid/Framework/API/src/RefAxis.cpp b/Code/Mantid/Framework/API/src/RefAxis.cpp
index 923d158ecb76..cd68d0027518 100644
--- a/Code/Mantid/Framework/API/src/RefAxis.cpp
+++ b/Code/Mantid/Framework/API/src/RefAxis.cpp
@@ -90,6 +90,17 @@ bool RefAxis::operator==(const Axis &axis2) const {
   return true;
 }
 
+/** Check if two numeric axis are equivalent to a given tolerance
+ *  @param axis2 :: Reference to the axis to compare to
+ *  @param tolerance :: Tolerance to compare to
+ *  @return true if self and second axis are equal
+ */
+bool RefAxis::equalWithinTolerance(const Axis &axis2,
+                                   const double tolerance) const {
+  UNUSED_ARG(tolerance);
+  return this->operator==(axis2);
+}
+
 double RefAxis::getMin() const {
   throw std::runtime_error("RefAxis cannot determine minimum value. Use readX "
                            "on the workspace instead");