cexp(3) — Linux manual page

cexp(3)                  Library Functions Manual                 cexp(3)

NAME         top

       cexp, cexpf, cexpl - complex exponential function

LIBRARY         top

       Math library (libm, -lm)

SYNOPSIS         top

       #include <complex.h>

       double complex cexp(double complex z);
       float complex cexpf(float complex z);
       long double complex cexpl(long double complex z);

DESCRIPTION         top

       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)

ATTRIBUTES         top

       For an explanation of the terms used in this section, see
       attributes(7).
       ┌──────────────────────────────────────┬───────────────┬─────────┐
       │ Interface                            │ Attribute     │ Value   │
       ├──────────────────────────────────────┼───────────────┼─────────┤
       │ cexp(), cexpf(), cexpl()             │ Thread safety │ MT-Safe │
       └──────────────────────────────────────┴───────────────┴─────────┘

STANDARDS         top

       C11, POSIX.1-2008.

HISTORY         top

       glibc 2.1.  C99, POSIX.1-2001.

SEE ALSO         top

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

COLOPHON         top

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Linux man-pages 6.15            2025-05-17                        cexp(3)

Pages that refer to this page: cexp2(3),  clog10(3),  clog2(3),  clog(3),  csqrt(3),  exp(3),  complex(7)

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