MAN page from Mandrake Other XITE-3.3-3.i386.rpm

NEGATE

Section: C Library Functions (3)
Updated: 16 Mar 1998
Index

NAME

negate - negate a band

SYNTAX

#include <xite/negate.h>

int negate( IBAND b1, IBAND b2 );

DESCRIPTION

Negates b1 into b2. Only largest common rectangleis negated. Accepts all pixel types. For pixeltypes including negative values, the result is
output = -input

For pixel types NOT including negative values,the result is
output = MAX - input

where MAX is the largest value of the actual pixeltype. Both bands must have the same pixel type.Identical in- and out- parameters are legal.

RETURN VALUE

0 => ok
1 => Bands have unknown pixel type
2 => Bands have different pixel types

AUTHOR

Tor L|nnestad, BLAB, IfI, UiO

ID

$Id: negate.c,v 1.26 1997/01/29 10:43:50 svein Exp $

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