From ed66d14ec0840282f74241dda46e02194278c3cc Mon Sep 17 00:00:00 2001
From: Finn Williams <Finn.Williams@arm.com>
Date: Fri, 6 Dec 2019 09:55:55 +0000
Subject: IVGCVSW-4191 Add DEQUANTIZE to the TfLite Parser

!armnn:2421

Change-Id: Icdb02b7248ed408c3c8ad2e3e38df5b7cda1c545
Signed-off-by: Finn Williams <Finn.Williams@arm.com>
---
 src/armnnTfLiteParser/test/Dequantize.cpp | 121 ++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 src/armnnTfLiteParser/test/Dequantize.cpp

(limited to 'src/armnnTfLiteParser/test/Dequantize.cpp')

diff --git a/src/armnnTfLiteParser/test/Dequantize.cpp b/src/armnnTfLiteParser/test/Dequantize.cpp
new file mode 100644
index 0000000000..2f98c07a66
--- /dev/null
+++ b/src/armnnTfLiteParser/test/Dequantize.cpp
@@ -0,0 +1,121 @@
+//
+// Copyright © 2019 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include <boost/test/unit_test.hpp>
+#include "ParserFlatbuffersFixture.hpp"
+#include "../TfLiteParser.hpp"
+
+#include <string>
+#include <iostream>
+
+BOOST_AUTO_TEST_SUITE(TensorflowLiteParser)
+
+    struct DequantizeFixture : public ParserFlatbuffersFixture
+    {
+        explicit DequantizeFixture(const std::string & inputShape,
+                                   const std::string & outputShape,
+                                   const std::string & dataType)
+        {
+            m_JsonString = R"(
+            {
+                "version": 3,
+                "operator_codes": [ { "builtin_code": "DEQUANTIZE" } ],
+                "subgraphs": [ {
+                    "tensors": [
+                        {
+                            "shape": )" + inputShape + R"(,
+                            "type": )" + dataType + R"(,
+                            "buffer": 0,
+                            "name": "inputTensor",
+                            "quantization": {
+                                "min": [ 0.0 ],
+                                "max": [ 255.0 ],
+                                "scale": [ 1.5 ],
+                                "zero_point": [ 0 ],
+                            }
+                        },
+                        {
+                            "shape": )" + outputShape + R"( ,
+                            "type": "FLOAT32",
+                            "buffer": 1,
+                            "name": "outputTensor",
+                            "quantization": {
+                                "min": [ 0.0 ],
+                                "max": [ 255.0 ],
+                                "scale": [ 1.0 ],
+                                "zero_point": [ 0 ],
+                            }
+                        }
+                    ],
+                    "inputs": [ 0 ],
+                    "outputs": [ 1 ],
+                    "operators": [
+                        {
+                            "opcode_index": 0,
+                            "inputs": [ 0 ],
+                            "outputs": [ 1 ],
+                            "builtin_options_type": "DequantizeOptions",
+                            "builtin_options": {
+                            },
+                            "custom_options_format": "FLEXBUFFERS"
+                        }
+                ],
+                } ],
+                "buffers" : [
+                    { },
+                    { },
+                ]
+            }
+        )";
+            SetupSingleInputSingleOutput("inputTensor", "outputTensor");
+        }
+    };
+
+    struct SimpleDequantizeFixtureQAsymm8 : DequantizeFixture
+    {
+        SimpleDequantizeFixtureQAsymm8() : DequantizeFixture("[ 1, 6 ]",
+                                                             "[ 1, 6 ]",
+                                                             "UINT8") {}
+    };
+
+    BOOST_FIXTURE_TEST_CASE(SimpleDequantizeQAsymm8, SimpleDequantizeFixtureQAsymm8)
+    {
+        RunTest<2, armnn::DataType::QuantisedAsymm8 , armnn::DataType::Float32>(
+                0,
+                {{"inputTensor",  { 0u,   1u,   5u,   100u,   200u,   255u }}},
+                {{"outputTensor", { 0.0f, 1.5f, 7.5f, 150.0f, 300.0f, 382.5f }}});
+    }
+
+    struct SimpleDequantizeFixtureQSymm16 : DequantizeFixture
+    {
+        SimpleDequantizeFixtureQSymm16() : DequantizeFixture("[ 1, 6 ]",
+                                                             "[ 1, 6 ]",
+                                                             "INT16") {}
+    };
+
+    BOOST_FIXTURE_TEST_CASE(SimpleDequantizeQsymm16, SimpleDequantizeFixtureQSymm16)
+    {
+        RunTest<2, armnn::DataType::QuantisedSymm16 , armnn::DataType::Float32>(
+                0,
+                {{"inputTensor",  { 0,    1,    5,    32767,    -1,   -32768 }}},
+                {{"outputTensor", { 0.0f, 1.5f, 7.5f, 49150.5f, -1.5f,-49152.0f }}});
+    }
+
+    struct SimpleDequantizeFixtureQSymmS8 : DequantizeFixture
+    {
+        SimpleDequantizeFixtureQSymmS8() : DequantizeFixture("[ 1, 6 ]",
+                                                             "[ 1, 6 ]",
+                                                             "INT8") {}
+    };
+
+    BOOST_FIXTURE_TEST_CASE(SimpleDequantizeQSymmS8, SimpleDequantizeFixtureQSymmS8)
+    {
+        RunTest<2, armnn::DataType::QSymmS8 , armnn::DataType::Float32>(
+                0,
+                {{"inputTensor",  { 0,    1,    5,    127,    -128,   -1 }}},
+                {{"outputTensor", { 0.0f, 1.5f, 7.5f, 190.5f, -192.0f, -1.5f }}});
+    }
+
+BOOST_AUTO_TEST_SUITE_END()
-- 
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