Method Call

runtime/vam/expr/function/math.go:228–243

(args ...vector.Any)

}

func (s *Sqrt) Call(args ...vector.Any) vector.Any {
	if vec, ok := expr.CheckForNullThenError(args); ok {
		return vec
	}
	vec := vector.Under(args[0])
	if !super.IsNumber(vec.Type().ID()) {
		return vector.NewWrappedError(s.sctx, "sqrt: number argument required", vec)
	}
	vec = cast.To(s.sctx, vec, super.TypeFloat64)
	vals := make([]float64, vec.Len())
	for i := range vec.Len() {
		v := vector.FloatValue(vec, i)
		vals[i] = math.Sqrt(v)
	}
	return vector.NewFloat(super.TypeFloat64, vals)
}