【笔记】Go语言计算浮点型数防止精度损失

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前言

Arbitrary-precision fixed-point decimal numbers in go.（Github）

下载依赖

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go get github.com/shopspring/decimal

引入依赖

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import "github.com/shopspring/decimal"

浮点数相加

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var num1 = decimal.NewFromFloat(0.1)
var num2 = decimal.NewFromString("0.1")

num1.Add(num2)

浮点数相减

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var num1 = decimal.NewFromFloat(0.1)
var num2 = decimal.NewFromString("0.1")

num1.Sub(num2)

浮点数相乘

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var num1 = decimal.NewFromFloat(0.1)
var num2 = decimal.NewFromString("0.1")

num1.Mul(num2)

完成

参考文献

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