cexp (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);

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.

SEE ALSO

cabs(3), cexp2(3), clog(3), cpow(3), complex(7)

COLOPHON

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