source: trip-planner-front/node_modules/hdr-histogram-js/assembly/formatters.ts@ 571e0df

Last change on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.5 KB
Line 
1/*
2 * This is a AssemblyScript port of the original Java version, which was written by
3 * Gil Tene as described in
4 * https://github.com/HdrHistogram/HdrHistogram
5 * and released to the public domain, as explained at
6 * http://creativecommons.org/publicdomain/zero/1.0/
7 */
8
9const leftPadding = (size: i32, input: string): string => {
10 if (input.length < size) {
11 input.padStart(size - input.length);
12 return " ".repeat(size - input.length) + input;
13 }
14 return input;
15};
16
17export const integerFormatter = (size: i32, integer: u64): string => {
18 return leftPadding(size, integer.toString());
19};
20
21export class IntegerFormatter {
22 constructor(private size: i32) {}
23
24 format(integer: u64): string {
25 return leftPadding(this.size, integer.toString());
26 }
27}
28
29export class FloatFormatter {
30 constructor(private size: i32, private fractionDigits: i32) {}
31
32 format(float: f64): string {
33 const intergerPart = <u64>Math.floor(float);
34 const digits = Math.pow(10, this.fractionDigits);
35 const floatPart = <u64>(
36 Math.round(float * digits - <f64>intergerPart * digits)
37 );
38 let floatPartString = floatPart.toString();
39 if (floatPartString.length < this.fractionDigits) {
40 floatPartString += "0".repeat(
41 this.fractionDigits - floatPartString.length
42 );
43 }
44
45 let result = intergerPart.toString() + "." + floatPartString;
46 if (result.length < this.size) {
47 result = " ".repeat(this.size - result.length) + result;
48 }
49 return result;
50 }
51}
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