2004-11-03 13:51:07 +00:00
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.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
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.\" Distributed under GPL
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.\"
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.TH CONJ 3 2002-07-28 "" "complex math routines"
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.SH NAME
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conj, conjf, conjl \- calculate the complex conjugate
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.SH SYNOPSIS
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.B #include <complex.h>
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.sp
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.BI "double complex conj(double complex " z );
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2004-11-11 17:28:42 +00:00
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.br
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2004-11-03 13:51:07 +00:00
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.BI "float complex conjf(float complex " z );
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2004-11-11 17:28:42 +00:00
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.br
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2004-11-03 13:51:07 +00:00
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.BI "long double complex conjl(long double complex " z );
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.sp
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Link with \-lm.
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.SH DESCRIPTION
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2005-10-19 14:48:35 +00:00
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The
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.BR conj ()
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function returns the complex conjugate value of z.
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2004-11-03 13:51:07 +00:00
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That is the value obtained by changing the sign of the imaginary part.
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.LP
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One has cabs(z) = csqrt(z * conj(z)).
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.SH "CONFORMING TO"
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C99
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.SH "SEE ALSO"
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.BR cabs (3),
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.BR sqrt (3),
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2006-04-21 01:24:06 +00:00
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.BR complex (7)
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