CEXP

Section: Linux Programmer's Manual (3)
Updated: 2008-08-11
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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);

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

This page is part of release 3.22 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.