conj

(3)

calculate the complex conjugate

Library functionsmanpages-dev 6.9.1-1also documents conjf, conjl

#include <complex.h> double complex conj(double complex z); float complex conjf(float complex z); long double complex conjl(long double complex z);

LIBRARY

Math library (libm, -lm)

These functions return the complex conjugate value of z. That is the value obtained by changing the sign of the imaginary part.

One has:

cabs(z) = csqrt(z * conj(z))

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

Interface	Attribute	Value
conj (), conjf (), conjl ()	Thread safety	MT-Safe

C11, POSIX.1-2008.

glibc 2.1. C99, POSIX.1-2001.