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Mleftsize.c
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Mleftsize.c
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/* Computes Ni+1 x Ni+2 x ...
Wrapper for sf_leftsize*/
/*
Copyright (C) 2007 Ioan Vlad
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <rsf.h>
int
main (int argc, char *argv[])
{
int n;
int i;
sf_file in=NULL;
sf_init(argc,argv);
if( !sf_getint("i", &i)) i=0;
/* What size to start counting from. i=0 gets total number of elements */
if( i < 0 ) sf_error( "i must be >= 0" );
in = sf_input("in");
if (SF_FLOAT != sf_gettype(in))
sf_error( "Need float input" );
n = sf_leftsize(in,i);
printf( "%d\n", n );
exit(0);
}