go.charczuk.com@v0.0.0-20240327042549-bc490516bd1a/projects/nodes/pkg/funcs/cutoff.go (about)

     1  /*
     2  
     3  Copyright (c) 2023 - Present. Will Charczuk. All rights reserved.
     4  Use of this source code is governed by a MIT license that can be found in the LICENSE file at the root of the repository.
     5  
     6  */
     7  
     8  package funcs
     9  
    10  import (
    11  	"context"
    12  )
    13  
    14  // CutoffUnchanged is a simple cutoff check that does a strict comparison
    15  func CutoffUnchanged[A comparable](_ context.Context, old, new A) (bool, error) {
    16  	return old == new, nil
    17  }
    18  
    19  // CutoffEpsilon is a simple cutoff check that does a strict comparison
    20  func CutoffEpsilon[A MathScalars](_ context.Context, delta A, old, new A) (output bool, err error) {
    21  	if old > new {
    22  		output = old-new < delta
    23  		return
    24  	}
    25  	output = new-old < delta
    26  	return
    27  }