CEXP(3) Linux Programmer's Manual CEXP(3)

cexp, cexpf, cexpl - complex exponential function

#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.

These functions calculate e (2.71828..., the base of natural logarithms) raised to the power of z.
One has:
    cexp(I * z) = ccos(z) + I * csin(z)

These functions first appeared in glibc in version 2.1.

For an explanation of the terms used in this section, see attributes(7).
Interface Attribute Value
cexp (), cexpf (), cexpl () Thread safety MT-Safe

C99, POSIX.1-2001, POSIX.1-2008.

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