COMPMID-509: Move Threshold to new validation

Change-Id: I06b045485f40c49a02bd2b85bafc43662b11270d
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/88043
Reviewed-by: Moritz Pflanzer <moritz.pflanzer@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>

2 files changed, 119 insertions, 0 deletions

diff --git a/tests/validation/CPP/Threshold.cpp b/tests/validation/CPP/Threshold.cpp
new file mode 100644
index 0000000000..d0ef31df04
--- /dev/null
+++ b/tests/validation/CPP/Threshold.cpp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal src the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included src all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. src NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER src AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * dst OF OR src CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS src THE
+ * SOFTWARE.
+ */
+#include "Threshold.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> threshold(const SimpleTensor<T> &src, T threshold, T false_value, T true_value, ThresholdType type, T upper)
+{
+    SimpleTensor<T> dst(src.shape(), src.data_type());
+
+    switch(type)
+    {
+        case ThresholdType::BINARY:
+            for(int i = 0; i < src.num_elements(); ++i)
+            {
+                dst[i] = ((src[i] > threshold) ? true_value : false_value);
+            }
+            break;
+        case ThresholdType::RANGE:
+            for(int i = 0; i < src.num_elements(); ++i)
+            {
+                if(src[i] > upper)
+                {
+                    dst[i] = false_value;
+                }
+                else if(src[i] < threshold)
+                {
+                    dst[i] = false_value;
+                }
+                else
+                {
+                    dst[i] = true_value;
+                }
+            }
+            break;
+        default:
+            ARM_COMPUTE_ERROR("Thresholding type not recognised");
+            break;
+    }
+
+    return dst;
+}
+
+template SimpleTensor<uint8_t> threshold(const SimpleTensor<uint8_t> &src, uint8_t threshold, uint8_t false_value, uint8_t true_value, ThresholdType type, uint8_t upper);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/validation/CPP/Threshold.h b/tests/validation/CPP/Threshold.h
new file mode 100644
index 0000000000..fbe2dba19b
--- /dev/null
+++ b/tests/validation/CPP/Threshold.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_TEST_THRESHOLD_H__
+#define __ARM_COMPUTE_TEST_THRESHOLD_H__
+
+#include "tests/SimpleTensor.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<T> threshold(const SimpleTensor<T> &src, T threshold, T false_value, T true_value, ThresholdType type, T upper);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_TEST_THRESHOLD_H__ */