content: /**
   * Copyright (C) 2024 AIDC-AI
   *
   * 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.
   */
  package com.alibaba.langengine.tool;
  
  import com.alibaba.langengine.core.tool.DefaultTool;
  import com.alibaba.langengine.core.tool.ToolExecuteResult;
  import com.alibaba.langengine.core.util.PythonUtils;
  import lombok.Data;
  import lombok.extern.slf4j.Slf4j;
  
  import java.util.HashMap;
  import java.util.Map;
  
  @Data
  @Slf4j
  public class LLMMathTool extends DefaultTool {
  
      public LLMMathTool() {
          setName("Calculator");
          setDescription("Useful for when you need to answer questions about math. The input parameter is a mathematical formula。");
      }
  
      @Override
      public ToolExecuteResult run(String toolInput) {
          if(getFunc() != null) {
              Map<String, Object> inputs = new HashMap<>();
              inputs.put("question", toolInput);
              Map<String, Object> outputs = getFunc().apply(inputs);
              return new ToolExecuteResult(outputs.get("answer").toString(), true);
          } else {
  //            throw new RuntimeException("LLMMathTool error.");
              toolInput = toolInput.replaceAll("\\^", "**");
              String result = PythonUtils.invokePythonCode(PythonCodeConstants.LLMMATH_PYTHON_CODE, toolInput);
              return new ToolExecuteResult("Answer: " + result);
          }
      }
  }
  