qspray-unary function

Unary operators for qspray objects

Unary operators for qspray objects.

## S4 method for signature 'qspray,missing'
e1 + e2

## S4 method for signature 'qspray,missing'
e1 - e2

Arguments

• e1: object of class qspray
• e2: nothing

Returns

A qspray object.