When the field value type is a floating point type, the parsed data is wrong

[hidahua]

change excel filed to any format is the same error!

Steps to reproduce the issue:
1.excel filed value is: 2422.3 , use type General(or other type)
2.the value after reading is:2422.3000000000002

Describe the results you received:
2422.3000000000002
Describe the results you expected:
2422.3

Output of go version:
go1.15.5

Excelize version or commit ID:
master

Environment details (OS, Microsoft Excel™ version, physical, etc.):
Linux and MacOs have the same error

[xuri]

This issue duplicates with #848. could you provide any attachment or code to reproduce this issue?

[xuri]

I have fixed this issue, please try to upgrade the master branch code, and this patch will be released in the next version.