decimal
big decimal
| decimal | big decimal | |
|---|---|---|
| 15 | - | |
| 5,945 | 38 | |
| 2.0% | - | |
| 7.4 | 0.0 | |
| 10 days ago | over 1 year ago | |
| Go | Go | |
| GNU General Public License v3.0 or later | BSD 2-clause "Simplified" License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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decimal
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Trouble understanding rounding when the next digit is after round precision is a #5?
Try it in JS with console.log(4.225 * 100);, you'll see the same unexpected result. Depending on your needs, it's actually fine to just be off by some amount. If it does really matter, then use an arbitrary precision library like https://github.com/shopspring/decimal to get the results you need.
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Handling currency values: facts and best practices
Most programming languages ( JavaScript, PHP, Go, Python, Java, C# ) have built-in support or 3rd-party libraries for handling this data type, even though the internal implementations can differ:
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Any go and python number experts here?
while working with money, dont use floats, use something like https://github.com/shopspring/decimal (go std lib doesnt have its own decimals yet)
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my first golang project!
Integers, or something like this: https://github.com/shopspring/decimal
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80x improvements in caching by moving from JSON to gob
I make heavy use of caching, and was caching both in-memory and in Redis using JSON to convert the data in to a string. The struct itself isn't super complicated, one level nested, and some fields use the shopspring/decimal library.
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Unexported interfaces usage question
I actually use this to represent monetary values btw :)
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How to round(2) float64?
Check out https://github.com/shopspring/decimal for doing money related calculations.
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Library recommendation -- money calculations, more accurate handling of floats
We personally use https://github.com/shopspring/decimal and it works well.
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What are your favorite packages to use?
decimal, one of the first Go library that created to work with decimal and monetary value.
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What libraries from other languages do you wish were ported over into go?
https://github.com/shopspring/decimal also.
big decimal
We haven't tracked posts mentioning big decimal yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
Golang Crypto Trading Bot - A golang implementation of a console-based trading bot for cryptocurrency exchanges
decimal - A high-performance, arbitrary-precision, floating-point decimal library.
go-money - Go implementation of Fowler's Money pattern
ach - ACH implements a reader, writer, and validator for Automated Clearing House (ACH) files. The HTTP server is available in a Docker image and the Go package is available.
go-finance - :warning: Deprecrated in favor of https://github.com/piquette/finance-go
gobacktest - event-driven backtesting framework written in golang
Testify - A toolkit with common assertions and mocks that plays nicely with the standard library
https://github.com/alpeb/go-finance - Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
apd - Arbitrary-precision decimals for Go
ofxgo - Golang library for querying and parsing OFX