content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.beam.sdk.extensions.sql.impl.udf;
  
  import com.google.auto.service.AutoService;
  import org.apache.beam.sdk.schemas.Schema;
  
  /** TrigonometricFunctions. */
  @AutoService(BeamBuiltinFunctionProvider.class)
  @SuppressWarnings({
    "nullness" // TODO(https://github.com/apache/beam/issues/20497)
  })
  public class BuiltinTrigonometricFunctions extends BeamBuiltinFunctionProvider {
  
    /**
     * COSH(X)
     *
     * <p>Computes the hyperbolic cosine of X. Generates an error if an overflow occurs.
     */
    // TODO: handle overflow
    @UDF(
        funcName = "COSH",
        parameterArray = {Schema.TypeName.DOUBLE},
        returnType = Schema.TypeName.DOUBLE)
    public Double cosh(Double o) {
      if (o == null) {
        return null;
      }
      return Math.cosh(o);
    }
  
    /**
     * SINH(X)
     *
     * <p>Computes the hyperbolic sine of X. Generates an error if an overflow occurs.
     */
    // TODO: handle overflow
    @UDF(
        funcName = "SINH",
        parameterArray = {Schema.TypeName.DOUBLE},
        returnType = Schema.TypeName.DOUBLE)
    public Double sinh(Double o) {
      if (o == null) {
        return null;
      }
      return Math.sinh(o);
    }
  
    /**
     * TANH(X)
     *
     * <p>Computes hyperbolic tangent of X. Does not fail.
     */
    @UDF(
        funcName = "TANH",
        parameterArray = {Schema.TypeName.DOUBLE},
        returnType = Schema.TypeName.DOUBLE)
    public Double tanh(Double o) {
      if (o == null) {
        return null;
      }
      return Math.tanh(o);
    }
  }
  