cexp(3) — Linux manual pages

Linux manual pages	Section 3

Name

cexp, cexpf, cexpl — complex exponential function

Synopsis

#include <complex.h>

double complex cexp( double complex z);

float complex cexpf( float complex z);

long double complex cexpl( long double complex z);

	Note
	Link with `−lm`.

DESCRIPTION

The function calculates e (2.71828..., the base of natural logarithms) raised to the power of z.

One has:

    cexp(I * z) = ccos(z) + I * csin(z)

VERSIONS

These functions first appeared in glibc in version 2.1.

CONFORMING TO

C99.

COLOPHON

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