cmplx

var (
	ErrUnsupportedRetType = errors.New("unsupported return type of function")
	ErrFncallWithoutArity = errors.New("function call without arity")
)

var Fntable = map[string]interface{}{
	"abs":   Abs,
	"acos":  cmplx.Acos,
	"acosh": cmplx.Acosh,
	"asin":  cmplx.Asin,
	"asinh": cmplx.Asinh,
	"atan":  cmplx.Atan,
	"atanh": cmplx.Atanh,
	"conj":  cmplx.Conj,
	"cos":   cmplx.Cos,
	"cosh":  cmplx.Cosh,
	"cot":   cmplx.Cot,
	"exp":   cmplx.Exp,
	"inf":   cmplx.Inf,
	"log":   cmplx.Log,
	"log10": cmplx.Log10,
	"NaN":   cmplx.NaN,
	"phase": Phase,
	"pow":   cmplx.Pow,
	"rect":  Rect,
	"sin":   cmplx.Sin,
	"sinh":  cmplx.Sinh,
	"sqrt":  cmplx.Sqrt,
	"tan":   cmplx.Tan,
	"tanh":  cmplx.Tanh,

	"real":    Real,
	"imag":    Imag,
	"complex": Complex,

	"$neg":   Neg,
	"$mul":   Mul,
	"$quo":   Quo,
	"$add":   Add,
	"$sub":   Sub,
	"$ARITY": Arity,
	"$push":  (*Stack).PushReal,
	"$pushi": (*Stack).PushImag,
	"$call":  (*Calculator).Call,
}