github.com/dubbogo/gost@v1.14.0/math/compare.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package gxmath
    19  
    20  // equivalent to math.Abs(expected - actual) <= delta
    21  func DeltaCompareFloat64(expected float64, actual float64, delta float64) bool {
    22  	if expected > actual {
    23  		return expected-actual <= delta
    24  	}
    25  	return actual-expected <= delta
    26  }
    27  
    28  func DeltaCompareFloat32(expected float32, actual float32, delta float32) bool {
    29  	if expected > actual {
    30  		return expected-actual <= delta
    31  	}
    32  	return actual-expected <= delta
    33  }