refs #12939. Normalization check introduced.

Introduce test and then functionality to MDGeometry.

Code/Mantid/Framework/API/inc/MantidAPI/MDGeometry.h

@@ -80,6 +80,7 @@ public:
   Mantid::Kernel::VMD &getBasisVector(size_t index);
   const Mantid::Kernel::VMD &getBasisVector(size_t index) const;
   void setBasisVector(size_t index, const Mantid::Kernel::VMD &vec);
+  bool allBasisNormalized() const;
 
   // --------------------------------------------------------------------------------------------
   bool hasOriginalWorkspace(size_t index = 0) const;

Code/Mantid/Framework/API/src/MDGeometry.cpp

@@ -279,6 +279,17 @@ void MDGeometry::setBasisVector(size_t index, const Mantid::Kernel::VMD &vec) {
   m_basisVectors[index] = vec;
 }
 
+bool MDGeometry::allBasisNormalized() const {
+  bool allNormalized = true;
+  for (auto it = m_basisVectors.begin(); it != m_basisVectors.end(); ++it) {
+      if (it->length() != 1.0) {
+        allNormalized = false;
+        break;
+      }
+  }
+  return allNormalized;
+}
+
 //---------------------------------------------------------------------------------------------------
 /// @return true if the geometry is defined relative to another workspace.
 /// @param index :: index into the vector of original workspaces

Code/Mantid/Framework/API/test/MDGeometryTest.h

@@ -256,6 +256,29 @@ public:
     TSM_ASSERT_EQUALS("Wrong number of transforms to original reported.", 2, g.getNumberTransformsToOriginal());
   }
 
+  void test_all_normalized(){
+      MDGeometry geometry;
+      std::vector<IMDDimension_sptr> dims;
+      IMDDimension_sptr dim1(new MDHistoDimension("Qx", "Qx", "Ang", -1, +1, 10));
+      IMDDimension_sptr dim2(new MDHistoDimension("Qy", "Qy", "Ang", -1, +1, 20));
+      dims.push_back(dim1);
+      dims.push_back(dim2);
+      geometry.initGeometry(dims);
+
+      //  Both basis vectors are not normalized
+      geometry.setBasisVector(0, VMD(2.0, 0.0));
+      geometry.setBasisVector(1, VMD(0.0, 4.0));
+      TSM_ASSERT("All Not all basis vectors are normalized", !geometry.allBasisNormalized());
+
+      //  First basis vector is now normalized. The other is not.
+      geometry.setBasisVector(1, VMD(0.0, 1.0));
+      TSM_ASSERT("Not all basis vectors are normalized", !geometry.allBasisNormalized());
+
+      // We overwrite the zeroth basis vector to be normalized. Now both are normalized
+      geometry.setBasisVector(0, VMD(1.0, 0.0));
+      TSM_ASSERT("All basis vectors are normalized", geometry.allBasisNormalized());
+  }
+
 
 };