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22 lines
800 B
22 lines
800 B
import { Base } from './base';
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import { Domain, ThresholdOptions, Range } from '../types';
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/**
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* 将连续的定义域分段，每一段所有的值对应离散的值域中一个值
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*/
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export declare class Threshold<O extends ThresholdOptions = ThresholdOptions> extends Base<O> {
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/** threshold 的数量 */
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protected n: number;
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protected thresholds: number[];
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protected getDefaultOptions(): O;
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constructor(options?: ThresholdOptions);
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/**
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* 二分查找到输入值在哪一段，返回对应的值域中的值
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*/
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map(x: Domain<ThresholdOptions>): any;
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/**
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* 在值域中找到对应的值，并返回在定义域中属于哪一段
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*/
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invert(y: Range<ThresholdOptions>): number[];
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clone(): Threshold<O>;
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protected rescale(): void;
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}
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