NAME¶

ctan, ctanf, ctanl - complex tangent function

SYNOPSIS¶

#include <complex.h>

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

Link with -lm.

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 first appeared in glibc in version 2.1.

ATTRIBUTES¶

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

CONFORMING TO¶

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

SEE ALSO¶

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

COLOPHON¶

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