go decimal package suitable for financial and monetary calculations

go get github.com/dimdin/decimal

Documentation and usage examples

import "github.com/dimdin/decimal"

    var x, y decimal.Dec
    x.SetString("100")
    y.SetString("3")
    x.Div(&x, &y, 2)
    fmt.Println(x)

Output:

33.33

• 38 decimal digits precision implemented with an 128 bit integer scaled by a power of ten.
• Fast addition, subtraction, multiplication, division and power operations.
• Arithmetic overflow detection that panics.
• Can be scanned directly from database/sql query results.
• Can be used directly in database/sql Query and Exec parameters.
• Methods are in the math/big form func (z *Dec) Op(x, y *Dec) *Dec with the result as receiver.
• Arithmetic half up rounding.
• Test suite with more than 90% code coverage.

Use of this source code is governed by BSD 2-clause license that can be found in the LICENSE file.