Method shouldSetAsNaN

context.go:99–102

shouldSetAsNaN determines whether setAsNaN should be called, given the provided values, where x is required and y is optional. It is split from setAsNaN to permit inlining of this function. gcassert:inline

(x, y *Decimal)

// split from setAsNaN to permit inlining of this function.
//gcassert:inline
func (c *Context) shouldSetAsNaN(x, y *Decimal) bool {
	return x.Form == NaNSignaling || x.Form == NaN ||
		(y != nil && (y.Form == NaNSignaling || y.Form == NaN))
}

// setAsNaN sets d to the first NaNSignaling, or otherwise first NaN, of
// x and y. x is required, y is optional. Expects one of the two inputs