1 files changed, 53 insertions, 0 deletions
diff --git a/reference_model/src/verify/verify_exact.cc b/reference_model/src/verify/verify_exact.cc
new file mode 100644
index 0000000..7fde5bb
--- /dev/null
+++ b/reference_model/src/verify/verify_exact.cc
@@ -0,0 +1,53 @@
+// Copyright (c) 2023, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+#include "func_debug.h"
+#include "verifiers.h"
+#include <cmath>
+
+namespace TosaReference
+{
+
+bool verifyExact(const CTensor* referenceTensor, const CTensor* implementationTensor)
+{
+    // Validate that tensors are provided
+    TOSA_REF_REQUIRE(referenceTensor != nullptr, "reference tensor is missing");
+    TOSA_REF_REQUIRE(implementationTensor != nullptr, "implementation tensor is missing");
+
+    // Get number of elements
+    const auto elementCount =
+        numElements(std::vector<int32_t>(referenceTensor->shape, referenceTensor->shape + referenceTensor->num_dims));
+    TOSA_REF_REQUIRE(elementCount > 0, "invalid shape for reference tensor");
+
+    switch (implementationTensor->data_type)
+    {
+        case tosa_datatype_fp32_t: {
+            const auto* refData = reinterpret_cast<const float*>(referenceTensor->data);
+            TOSA_REF_REQUIRE(refData != nullptr, "missing data for reference");
+            const auto* impData = reinterpret_cast<const float*>(implementationTensor->data);
+            TOSA_REF_REQUIRE(impData != nullptr, "missing data for implementation");
+            return std::equal(refData, std::next(refData, elementCount), impData, std::next(impData, elementCount),
+                              [](const auto& referenceValue, const auto& implementationValue) {
+                                  return std::isnan(referenceValue) ? std::isnan(implementationValue)
+                                                                    : (referenceValue == implementationValue);
+                              });
+        }
+        default:
+            WARNING("data-type not supported.");
+            break;
+    }
+
+    return false;
+}
+}    // namespace TosaReference