Method Neg

context.go:194–201

Neg sets d to -x.

(d, x *Decimal)

// Neg sets d to -x.
func (c *Context) Neg(d, x *Decimal) (Condition, error) {
	if c.shouldSetAsNaN(x, nil) {
		return c.setAsNaN(d, x, nil)
	}
	d.Neg(x)
	res := c.round(d, d)
	return c.goError(res)
}

// Mul sets d to the product x*y.
func (c *Context) Mul(d, x, y *Decimal) (Condition, error) {