26 lines
1.1 KiB
TypeScript
26 lines
1.1 KiB
TypeScript
import type {configDependency} from '../core/Config.js'
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import type {Dependencies, OpType} from '../interfaces/type.js'
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export const add: OpType<'add', number> = (a, b) => a + b
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export const unaryMinus: OpType<'unaryMinus', number> = a => -a
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export const conj: OpType<'conj', number> = a => a
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export const subtract: OpType<'subtract', number> = (a, b) => a - b
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export const multiply: OpType<'multiply', number> = (a, b) => a * b
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export const absquare: OpType<'absquare', number> = a => a * a
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export const reciprocal: OpType<'reciprocal', number> = a => 1 / a
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export const divide: OpType<'divide', number> = (a, b) => a / b
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const basicSqrt = a => isNaN(a) ? NaN : Math.sqrt(a)
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export const conservativeSqrt: OpType<'conservativeSqrt', number> = basicSqrt
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export const sqrt =
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(dep: configDependency & Dependencies<'complex', number>):
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OpType<'sqrt', number> => {
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if (dep.config.predictable || !dep.complex) return basicSqrt
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return a => {
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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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