acerix /
cnum
| Total Complexity | 4 |
| Total Lines | 36 |
| Duplicated Lines | 0 % |
| Coverage | 100% |
| Changes | 0 | ||
| 1 | import {Rat} from './Rat' |
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| 2 | |||
| 3 | /** |
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| 4 | * @class Rational polynumber |
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| 5 | * @name Polyrat |
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| 6 | */ |
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| 7 | 2 | export class Polyrat { |
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| 8 | 5 | p: Rat[] = [] |
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| 9 | |||
| 10 | /** |
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| 11 | * Evaluate the value at x. |
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| 12 | */ |
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| 13 | // https://github.com/acerix/rational.js/blob/master/src/polyrat.js#L121 |
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| 14 | evaluate(x: bigint): number { |
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| 15 | 1 | let v = 0 |
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| 16 | 1 | this.p.forEach((r, i) => { |
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| 17 | 1 | v += (+r * Number(x))**i |
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| 18 | }) |
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| 19 | 1 | return v |
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| 20 | } |
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| 21 | |||
| 22 | /** |
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| 23 | * The text representation. |
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| 24 | */ |
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| 25 | toString(): string { |
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| 26 | 2 | return this.p.join(', ') |
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| 27 | } |
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| 28 | |||
| 29 | /** |
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| 30 | * Clone this. |
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| 31 | */ |
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| 32 | clone(): Polyrat { |
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| 33 | 1 | const p = new Polyrat() |
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| 34 | 1 | for (const r of this.p) { |
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| 35 | 1 | p.p.push(r.clone()) |
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| 36 | } |
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| 37 | 1 | return p |
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| 38 | } |
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| 43 |
