| .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) |
| .\" Distributed under GPL |
| .\" |
| .TH CONJ 3 2002-07-28 "" "complex math routines" |
| .SH NAME |
| conj, conjf, conjl \- calculate the complex conjugate |
| .SH SYNOPSIS |
| .B #include <complex.h> |
| .sp |
| .BI "double complex conj(double complex " z ); |
| .br |
| .BI "float complex conjf(float complex " z ); |
| .br |
| .BI "long double complex conjl(long double complex " z ); |
| .sp |
| Link with \-lm. |
| .SH DESCRIPTION |
| The |
| .BR conj () |
| function returns the complex conjugate value of z. |
| That is the value obtained by changing the sign of the imaginary part. |
| .LP |
| One has cabs(z) = csqrt(z * conj(z)). |
| .SH "CONFORMING TO" |
| C99 |
| .SH "SEE ALSO" |
| .BR cabs (3), |
| .BR sqrt (3), |
| .BR complex (5) |