System Grab Bag

View all man pages from Linux (or from all projects)

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)

Attributes

For an explanation of the terms used in this section, see attributes(7). allbox; lbx lb lb T{ ctan()ctanf()ctanl()
InterfaceAttributeValue
T}Thread safetyMT-Safe

Standards

C11, POSIX.1-2008.

History

glibc 2.1. C99, POSIX.1-2001.

See Also

  1. cabs(3),
  2. catan(3),
  3. ccos(3),
  4. csin(3),
  5. complex(7)