Added L2 error computation and checking for half-precision tests

1 files changed, 9 insertions, 0 deletions

diff --git a/test/correctness/tester.hpp b/test/correctness/tester.hpp
index 113f03ef..f60be04b 100644
--- a/test/correctness/tester.hpp
+++ b/test/correctness/tester.hpp
@@ -150,11 +150,20 @@ class Tester {
 // template specialization)
 // =================================================================================================
 
+// Error margins
+template <typename T> float getRelativeErrorMargin();
+template <typename T> float getAbsoluteErrorMargin();
+template <typename T> double getL2ErrorMargin();
+
 // Compares two floating point values and returns whether they are within an acceptable error
 // margin. This replaces GTest's EXPECT_NEAR().
 template <typename T>
 bool TestSimilarity(const T val1, const T val2);
 
+// Retrieves the squared difference, used for example for computing the L2 error
+template <typename T>
+double SquaredDifference(const T val1, const T val2);
+
 // Retrieves a list of example scalar values, used for the alpha and beta arguments for the various
 // routines. This function is specialised for the different data-types.
 template <typename T>