27 lines
408 B
TypeScript
27 lines
408 B
TypeScript
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/**
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* 浮点数相等判断误差值
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*/
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export const epsilon = 0.00001;
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/**
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* 判断浮点数是不是0
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* @param v
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* @returns
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*/
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export function isZero(v: number) {
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if (Math.abs(v) < epsilon) {
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return true;
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}
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return false;
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}
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/**
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* 两浮点数是否相等
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* @param f1
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* @param f2
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* @returns
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*/
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export function floatEquals(f1: number, f2: number): boolean {
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return isZero(f1 - f2);
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}
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