test_tanh.cpp: Add unittest of tanh (#1578)

tests/CMakeLists.txt

@@ -45,3 +45,4 @@ ncnn_add_layer_test(Sigmoid)
 ncnn_add_layer_test(Slice)
 ncnn_add_layer_test(Softmax)
 ncnn_add_layer_test(UnaryOp)
+ncnn_add_layer_test(TanH)

tests/test_tanh.cpp

@@ -0,0 +1,77 @@
+// Tencent is pleased to support the open source community by making ncnn available.
+//
+// Copyright (C) 2020 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/tanh.h"
+
+static int test_tanh(const ncnn::Mat& a)
+{
+    ncnn::ParamDict pd;
+
+    std::vector<ncnn::Mat> weights(0);
+
+    ncnn::Option opt;
+    opt.num_threads = 1;
+    opt.use_vulkan_compute = true;
+    opt.use_int8_inference = false;
+    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::TanH>("TanH", pd, weights, opt, a);
+    if (ret != 0)
+    {
+        fprintf(stderr, "test_tanh failed a.dims=%d a=(%d %d %d)\n", a.dims, a.w, a.h, a.c);
+    }
+
+    return ret;
+}
+
+static int test_tanh_0()
+{
+    return 0
+        || test_tanh(RandomMat(6, 7, 16))
+        || test_tanh(RandomMat(3, 5, 13))
+        ;
+}
+
+static int test_tanh_1()
+{
+    return 0
+        || test_tanh(RandomMat(6, 16))
+        || test_tanh(RandomMat(7, 15))
+        ;
+}
+
+static int test_tanh_2()
+{
+    return 0
+        || test_tanh(RandomMat(128))
+        || test_tanh(RandomMat(127))
+        ;
+}
+
+int main()
+{
+    SRAND(7767517);
+
+    return 0
+        || test_tanh_0()
+        || test_tanh_1()
+        || test_tanh_2()
+        ;
+}