RatioAccumulator - can add to numerator and denominator [1032246]

< > BotCompany Repo | #1032246 // RatioAccumulator - can add to numerator and denominator

JavaX fragment (include) [tags: use-pretranspiled]

sclass RatioAccumulator {
  double numerator, denominator;
  
  void add(double numerator, double denominator) {
    this.numerator += numerator;
    this.denominator += denominator;
  }
  
  // by default we return the initial state (undefined ratio) as 0
  public double get() {
    ret doubleRatio(numerator, denominator);
  }
  
  bool valid() { ret denominator != 0; }
  
  // ...but you can also get it as null
  public Double getOrNull() {
    ret valid() ? get() : null;
  }
  
  // ...or NaN (my least preferred method)
  public Double getOrNaN() {
    ret valid() ? get() : Double.NaN;
  }
}

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Snippet ID:

#1032246

Snippet name:

RatioAccumulator - can add to numerator and denominator

Eternal ID of this version:

#1032246/2

Text MD5:

7583b2ad0c219e6e1e2a28002b446664

Transpilation MD5:

422acbf699271e0e039f74c9338b5787

Author:

stefan

Category:

javax / maths

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2021-08-22 21:03:30

Source code size:

625 bytes / 25 lines

Pitched / IR pitched:

No / No

Views / Downloads:

362 / 533

Version history:

1 change(s)

Referenced in:

[show references]

1	sclass RatioAccumulator {
2	double numerator, denominator;
3
4	void add(double numerator, double denominator) {
5	this.numerator += numerator;
6	this.denominator += denominator;
7	}
8
9	// by default we return the initial state (undefined ratio) as 0
10	public double get() {
11	ret doubleRatio(numerator, denominator);
12	}
13
14	bool valid() { ret denominator != 0; }
15
16	// ...but you can also get it as null
17	public Double getOrNull() {
18	ret valid() ? get() : null;
19	}
20
21	// ...or NaN (my least preferred method)
22	public Double getOrNaN() {
23	ret valid() ? get() : Double.NaN;
24	}
25	}