0.0.3 • Published 5 years ago
bs-decimal v0.0.3
bs-decimal
Decimal number functions for ReasonML - experimental stage
Decimals are represented as a tuple of mantissa and exponent, both int
.
It supports basic mathematical operations and conversion to and from string.
Installation
yarn add bs-decimal
Add it to bs-dependencies
in bsconfig.json
, e.g:
{
"name": "myapp",
"sources": "src",
"bs-dependencies": ["bs-decimal"]
}
Usage
open Decimal;
let a = dec("1.50");
let b = dec("2");
add(a, b)->to_s; # => 3.50
subtract(a, b)->to_s; # => -0.50
multiply(a, b)->to_s; # => 3.00
divide(a, b)->to_s; # => 0.75
divide(a, b, ~precision=1)->to_s; # => 0.7
divide(a, b, ~round=1)->to_s; # => 0.8
Running tests
yarn test
During development:
# console 1 - watch & build .re -> .js
yarn start
# console 2 - watch & run tests
yart test:watch
Licence
MIT - See LICENCE file.