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我在尝试用Node.js实现神经网络的过程中发现计算值出现了Infinity，经过检查发现在计算以下这个几乎线性增长的函数时，
function softmax(x0){ return Math.log(Math.exp(x0)+1); }
如果输入的值超过大约700就会输出Inf，这应该是因为Math.exp(x0)超过了浮点数的上界。我并不很擅长写 Python，因为Python不太符合我的代码习惯。请问为了防止出现溢出，是否有比换成Python更好的办法？
ringa_lee
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
ringa_lee