21 lines
765 B
TypeScript
21 lines
765 B
TypeScript
import {configDependency} from '../core/Config.js'
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import {Dependency} from '../core/Dispatcher.js'
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export const add = (a: number, b: number) => a + b
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export const unaryMinus = (a: number) => -a
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export const subtract = (a: number, b: number) => a - b
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export const multiply = (a: number, b: number) => a * b
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export const divide = (a: number, b: number) => a / b
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export const sqrt =
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(dep: configDependency
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& Dependency<'complex', [number, number]>) => {
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if (dep.config.predictable || !dep.complex) {
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return (a: number) => isNaN(a) ? NaN : Math.sqrt(a)
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}
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return (a: number) => {
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if (isNaN(a)) return NaN
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if (a >= 0) return Math.sqrt(a)
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return dep.complex(0, Math.sqrt(unaryMinus(a)))
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}
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}
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