1 .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
3 .\" %%%LICENSE_START(GPL_NOVERSION_ONELINE)
4 .\" Distributed under GPL
7 .TH CONJ 3 2021-03-22 "" "Linux Programmer's Manual"
9 conj, conjf, conjl \- calculate the complex conjugate
12 .B #include <complex.h>
14 .BI "double complex conj(double complex " z );
15 .BI "float complex conjf(float complex " z );
16 .BI "long double complex conjl(long double complex " z );
21 These functions return the complex conjugate value of
23 That is the value obtained by changing the sign of the imaginary part.
28 cabs(z) = csqrt(z * conj(z))
31 These functions first appeared in glibc in version 2.1.
33 For an explanation of the terms used in this section, see
41 Interface Attribute Value
46 T} Thread safety MT-Safe
52 C99, POSIX.1-2001, POSIX.1-2008.