test_clip.cpp: Add unittest of clip

tests/CMakeLists.txt

@@ -47,3 +47,4 @@ ncnn_add_layer_test(Slice)
 ncnn_add_layer_test(Softmax)
 ncnn_add_layer_test(UnaryOp)
 ncnn_add_layer_test(TanH)
+ncnn_add_layer_test(Clip)

tests/test_clip.cpp

@@ -0,0 +1,84 @@
+// Tencent is pleased to support the open source community by making ncnn available.
+//
+// Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+//
+// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
+// in compliance with the License. You may obtain a copy of the License at
+//
+// https://opensource.org/licenses/BSD-3-Clause
+//
+// 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 "testutil.h"
+
+#include "layer/clip.h"
+
+static int test_clip(const ncnn::Mat &a, float min, float max)
+{
+    ncnn::ParamDict pd;
+    pd.set(0, min);
+    pd.set(1, max);
+
+    std::vector<ncnn::Mat> weights(0);
+
+    ncnn::Option opt;
+    opt.num_threads = 1;
+    opt.use_vulkan_compute = true;
+    opt.use_fp16_packed = false;
+    opt.use_fp16_storage = false;
+    opt.use_fp16_arithmetic = false;
+    opt.use_int8_storage = false;
+    opt.use_int8_arithmetic = false;
+
+    int ret = test_layer<ncnn::Clip>("Clip", pd, weights, opt, a);
+    if (ret != 0)
+    {
+        fprintf(stderr, "test_clip failed min=%f max=%f\n", min, max);
+    }
+
+    return ret;
+}
+
+static int test_clip_0()
+{
+    return 0
+        || test_clip(RandomMat(6, 7, 16), 0.f, 6.f)
+        || test_clip(RandomMat(6, 7, 16), 0.f, 6.0f)
+        || test_clip(RandomMat(3, 5, 13), 0.f, 6.f)
+        || test_clip(RandomMat(3, 5, 13), 0.f, 6.0f)
+        ;
+}
+
+static int test_clip_1()
+{
+    return 0
+        || test_clip(RandomMat(6, 16), 0.f, 6.f)
+        || test_clip(RandomMat(6, 16), 0.1f, 6.0f)
+        || test_clip(RandomMat(7, 15), 0.f, 6.f)
+        || test_clip(RandomMat(7, 15), 0.1f, 6.0f)
+        ;
+}
+
+static int test_clip_2()
+{
+    return 0
+        || test_clip(RandomMat(128), 0.f, 6.f)
+        || test_clip(RandomMat(128), 0.1f, 6.0f)
+        || test_clip(RandomMat(127), 0.f, 6.f)
+        || test_clip(RandomMat(127), 0.1f, 6.0f)
+        ;
+}
+
+int main()
+{
+    SRAND(7767517);
+
+    return 0 
+        || test_clip_0()
+        || test_clip_1()
+        || test_clip_2()
+        ;
+}