Add linspace

tests/function/test_linspace.cc

@@ -0,0 +1,53 @@
+// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+//
+// 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.
+
+#include "fastdeploy/core/fd_tensor.h"
+#include "fastdeploy/function/linspace.h"
+#include <numeric>
+#include <vector>
+
+#include "glog/logging.h"
+#include "gtest_utils.h"
+#include "gtest/gtest.h"
+
+namespace fastdeploy {
+namespace function {
+
+TEST(fastdeploy, linspace) {
+  CheckShape check_shape;
+  CheckData check_data;
+
+  FDTensor x;
+
+  std::vector<float> result = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+  Linspace(0, 10, 11, &x);
+  check_shape({11}, x.Shape());
+  check_data(reinterpret_cast<const float*>(x.Data()), result.data(),
+             result.size());
+
+  result = {10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
+  Linspace(10, 0, 11, &x);
+  check_shape({11}, x.Shape());
+  check_data(reinterpret_cast<const float*>(x.Data()), result.data(),
+             result.size());
+
+  result = {10};
+  Linspace(10, 0, 1, &x);
+  check_shape({1}, x.Shape());
+  check_data(reinterpret_cast<const float*>(x.Data()), result.data(),
+             result.size());
+}
+
+}  // namespace function
+}  // namespace fastdeploy