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.\" 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 (7)
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