real
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Name
real, fftReal - extract real part of complex band
Syntax
#include <xite/arithmetic.h>
int real( IBAND input, IBAND output );
#include <xite/fft.h>
int fftReal( IC_BAND iband, IR_BAND oband );
Description
real extracts the real part of a complex input band.
fftReal is retained for compatibility with previous XITE
versions. It is a macro call to real.
Restrictions
The input may be either complex or double complex,
the output may be float or double.
See also
real(1), imag(3), power(3), phase(3), absValue(3), square(3),
squareRoot(3), fftDisplay(3), convertBand(3)
Return value
0 => ok
1 => bad input pixel type
2 => bad output pixel type
Author
Tor Lønnestad, BLAB, ifi, UiO
Id
$Id: real.c,v 1.30 1997/05/27 14:46:27 svein Exp $