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Mtnsconv.c
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Mtnsconv.c
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/* 1-D convolution. */
/*
Copyright (C) 2004 University of Texas at Austin
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 <rsf.h>
#include "tcai1_ns.h"
#include "icai1.h"
int main(int argc, char* argv[])
{
int nx, nf, ny, i2, n2, lag;
bool each, trans;
float *xx, *yy, *ff;
sf_file in, out, filt;
sf_init(argc,argv);
in = sf_input("in");
out = sf_output("out");
filt = sf_input("filt");
if (SF_FLOAT != sf_gettype(in) ||
SF_FLOAT != sf_gettype(filt)) sf_error("Need float input");
if (!sf_histint(in,"n1",&nx)) sf_error("No n1= in input");
n2 = sf_leftsize(in,1);
if (!sf_histint(filt,"n1",&nf)) sf_error("No n1= in filtin");
xx = sf_floatalloc(nx);
ff = sf_floatalloc(nf);
if (!sf_getbool("trans",&trans)) trans=false;
/* if y, transient convolution; if n, internal */
if (!sf_getbool("each",&each)) each=false;
/* if y, new filter for each trace */
if (!sf_getint("lag",&lag)) lag=1;
/* lag for internal convolution */
ny = trans? (nx+nf-1)*(nx+nf-1): nx;
yy = sf_floatalloc(ny);
if (trans){
sf_putint(out,"n1",nx+nf-1);
sf_putint(out,"n2",nx+nf-1);
}
if (!each) sf_floatread (ff,nf,filt);
for (i2=0; i2 < n2; i2++) {
if (each) sf_floatread (ff,nf,filt);
sf_floatread (xx,nx,in);
if (trans) {
tcai1_ns_init(nf,ff);
tcai1_ns_lop (false, false,nx,ny,xx,yy);
} else {
icai1_init(nf,ff,lag);
icai1_lop (false, false,nx,ny,xx,yy);
}
sf_floatwrite (yy,ny,out);
}
exit(0);
}
/* $Id: Mconv.c 7107 2011-04-10 02:04:14Z ivlad $ */