RegularPriceCells - infinitely many price cells at linear intervals [1036206]

< > BotCompany Repo | #1036206 // RegularPriceCells - infinitely many price cells at linear intervals

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

persistable sclass RegularPriceCells is PriceCells {
  // cell size
  settable double interval;
  
  // one of the cell limits
  settable double base;
  
  *(double *interval) {}
  *(double *base, double *interval) {}
  
  double remainder(double price) {
    ret mod(price-base, interval);
  }
  
  // TODO: not sure if this logic has rounding problems
  
  public bool isCellLimit(double price) {
    ret remainder(price) == 0;
  }
  
  public double nextCellLimit(double price) {
    double r = remainder(price);
    ret price+interval-r;
  }
  
  public double previousCellLimit(double price) {
    double r = remainder(price);
    ret price-(r == 0 ? interval : r);
  }
  
  public double nCellLimitsDown(double price, int n) {
    ret previousCellLimit(price)-(n-1)*interval;
  }
  
  public double nCellLimitsUp(double price, int n) {
    ret nextCellLimit(price)+n*interval;
  }
  
  public double priceToCellNumber(double price) {
    ret (price-base)/interval;
  }
  
  public double cellNumberToPrice(double cellNumber) {
    ret cellNumber*interval+base;
  }
}

Travelled to 2 computer(s): elmgxqgtpvxh, mqqgnosmbjvj

Snippet ID:

#1036206

Snippet name:

RegularPriceCells - infinitely many price cells at linear intervals

Eternal ID of this version:

#1036206/10

Text MD5:

7aeafdbc54ac7361d11d986d1a67907f

Transpilation MD5:

52b5cae8b9ae4585f5d59af91f034edc

Author:

stefan

Category:

javax / trading

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2022-10-26 02:40:12

Source code size:

1117 bytes / 46 lines

Pitched / IR pitched:

No / No

Views / Downloads:

691 / 869

Version history:

9 change(s)

Referenced in:

[show references]

1	persistable sclass RegularPriceCells is PriceCells {
2	// cell size
3	settable double interval;
4
5	// one of the cell limits
6	settable double base;
7
8	(double interval) {}
9	(double base, double *interval) {}
10
11	double remainder(double price) {
12	ret mod(price-base, interval);
13	}
14
15	// TODO: not sure if this logic has rounding problems
16
17	public bool isCellLimit(double price) {
18	ret remainder(price) == 0;
19	}
20
21	public double nextCellLimit(double price) {
22	double r = remainder(price);
23	ret price+interval-r;
24	}
25
26	public double previousCellLimit(double price) {
27	double r = remainder(price);
28	ret price-(r == 0 ? interval : r);
29	}
30
31	public double nCellLimitsDown(double price, int n) {
32	ret previousCellLimit(price)-(n-1)*interval;
33	}
34
35	public double nCellLimitsUp(double price, int n) {
36	ret nextCellLimit(price)+n*interval;
37	}
38
39	public double priceToCellNumber(double price) {
40	ret (price-base)/interval;
41	}
42
43	public double cellNumberToPrice(double cellNumber) {
44	ret cellNumber*interval+base;
45	}
46	}