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NAME

       ctan, ctanf, ctanl - complex tangent function

LIBRARY

       Math library (libm, -lm)

SYNOPSIS

       #include <complex.h>

       double complex ctan(double complex z);
       float complex ctanf(float complex z);
       long double complex ctanl(long double complex z);

DESCRIPTION

       These functions calculate the complex tangent of z.

       The complex tangent function is defined as:

           ctan(z) = csin(z) / ccos(z)

VERSIONS

       These functions were added in glibc 2.1.

ATTRIBUTES

       For an explanation of the terms used in this section, see attributes(7).

       ┌───────────────────────────────────────────────────────────────┬───────────────┬─────────┐
       │InterfaceAttributeValue   │
       ├───────────────────────────────────────────────────────────────┼───────────────┼─────────┤
       │ctan(), ctanf(), ctanl()                                       │ Thread safety │ MT-Safe │
       └───────────────────────────────────────────────────────────────┴───────────────┴─────────┘

STANDARDS

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

SEE ALSO

       cabs(3), catan(3), ccos(3), csin(3), complex(7)