ActiveGo 1.8Package cmplx
Overview ▹
Index ▹
func Abs ¶
func Abs(x complex128) float64
Abs returns the absolute value (also called the modulus) of x.
▹ Example
func Acos ¶
func Acos(x complex128) complex128
Acos returns the inverse cosine of x.
func Acosh ¶
func Acosh(x complex128) complex128
Acosh returns the inverse hyperbolic cosine of x.
func Asin ¶
func Asin(x complex128) complex128
Asin returns the inverse sine of x.
func Asinh ¶
func Asinh(x complex128) complex128
Asinh returns the inverse hyperbolic sine of x.
func Atan ¶
func Atan(x complex128) complex128
Atan returns the inverse tangent of x.
func Atanh ¶
func Atanh(x complex128) complex128
Atanh returns the inverse hyperbolic tangent of x.
func Conj ¶
func Conj(x complex128) complex128
Conj returns the complex conjugate of x.
func Cos ¶
func Cos(x complex128) complex128
Cos returns the cosine of x.
func Cosh ¶
func Cosh(x complex128) complex128
Cosh returns the hyperbolic cosine of x.
func Cot ¶
func Cot(x complex128) complex128
Cot returns the cotangent of x.
func Exp ¶
func Exp(x complex128) complex128
Exp returns e**x, the base-e exponential of x.
▹ Example
func Inf ¶
func Inf() complex128
Inf returns a complex infinity, complex(+Inf, +Inf).
func IsInf ¶
func IsInf(x complex128) bool
IsInf returns true if either real(x) or imag(x) is an infinity.
func IsNaN ¶
func IsNaN(x complex128) bool
IsNaN returns true if either real(x) or imag(x) is NaN and neither is an infinity.
func Log ¶
func Log(x complex128) complex128
Log returns the natural logarithm of x.
func Log10 ¶
func Log10(x complex128) complex128
Log10 returns the decimal logarithm of x.
func NaN ¶
func NaN() complex128
NaN returns a complex “not-a-number” value.
func Phase ¶
func Phase(x complex128) float64
Phase returns the phase (also called the argument) of x. The returned value is in the range [-Pi, Pi].
func Polar ¶
func Polar(x complex128) (r, θ float64)
Polar returns the absolute value r and phase θ of x, such that x = r * e**θi. The phase is in the range [-Pi, Pi].
▹ Example
func Pow ¶
func Pow(x, y complex128) complex128
Pow returns x**y, the base-x exponential of y. For generalized compatibility with math.Pow:
Pow(0, ±0) returns 1+0i Pow(0, c) for real(c)<0 returns Inf+0i if imag(c) is zero, otherwise Inf+Inf i.
func Rect ¶
func Rect(r, θ float64) complex128
Rect returns the complex number x with polar coordinates r, θ.
func Sin ¶
func Sin(x complex128) complex128
Sin returns the sine of x.
func Sinh ¶
func Sinh(x complex128) complex128
Sinh returns the hyperbolic sine of x.
func Sqrt ¶
func Sqrt(x complex128) complex128
Sqrt returns the square root of x. The result r is chosen so that real(r) ≥ 0 and imag(r) has the same sign as imag(x).
func Tan ¶
func Tan(x complex128) complex128
Tan returns the tangent of x.
func Tanh ¶
func Tanh(x complex128) complex128
Tanh returns the hyperbolic tangent of x.