Rework TOSA verification API

Change verifier API to consume verification configuration in a JSON
format and enable appropriate validation to be performed within the
verifier code in the reference model.
Also update to latest spec changes for main compliance but not yet
including bias support.

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Signed-off-by: Jeremy Johnson <jeremy.johnson@arm.com>
Change-Id: I0ceaa1714dd041b00b5b29cd937c8f05e701bc4c

1 files changed, 81 insertions, 0 deletions

diff --git a/reference_model/src/verify/verify_utils.h b/reference_model/src/verify/verify_utils.h
new file mode 100644
index 0000000..6e51e3e
--- /dev/null
+++ b/reference_model/src/verify/verify_utils.h
@@ -0,0 +1,81 @@
+
+// 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.
+
+#ifndef VERIFY_UTILS_H_
+#define VERIFY_UTILS_H_
+
+#include "dtype.h"
+#include "types.h"
+
+#include <cstdint>
+#include <optional>
+#include <vector>
+
+namespace TosaReference
+{
+
+// Name alias
+using CTensor = tosa_tensor_t;
+
+/// \brief Supported verification modes
+enum class VerifyMode
+{
+    Exact,
+    Ulp,
+    DotProduct,
+    ReduceProduct,
+    FpSpecial
+};
+
+/// \brief ULP verification meta-data
+struct UlpInfo
+{
+    UlpInfo() = default;
+
+    float ulp;
+};
+
+/// \brief Dot-product verification meta-data
+struct DotProductVerifyInfo
+{
+    DotProductVerifyInfo() = default;
+
+    DType dataType;
+    int32_t s;
+    int32_t ks;
+};
+
+/// \brief Verification meta-data
+struct VerifyConfig
+{
+    VerifyConfig() = default;
+
+    VerifyMode mode;
+    UlpInfo ulpInfo;
+    DotProductVerifyInfo dotProductInfo;
+};
+
+/// \brief Parse the verification config for a tensor when given in JSON form
+std::optional<VerifyConfig> parseVerifyConfig(const char* tensorName, const char* configJson);
+
+/// \brief Extract number of total elements
+int64_t numElements(const std::vector<int32_t>& shape);
+
+/// \brief Map API data-type to DType
+DType mapToDType(tosa_datatype_t dataType);
+
+};    // namespace TosaReference
+
+#endif    // VERIFY_UTILS_H_