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/* $Id: xtk04.c,v 1.13 2004/01/17 16:41:39 rlaboiss Exp $
Copyright (C) 2004 Joao Cardoso
This file is part of PLplot.
PLplot is free software; you can redistribute it and/or modify
it under the terms of the GNU General Library Public License as published
by the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
PLplot 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with PLplot; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "pltk.h"
#include <math.h>
static int
AppInit(Tcl_Interp *interp);
int mat_max( tclMatrix *pm, Tcl_Interp *interp,
int argc, char *argv[] )
{
PLFLT max = pm->fdata[0];
int i;
for( i=1; i < pm->len; i++ )
if (pm->fdata[i] > max)
max = pm->fdata[i];
sprintf( interp->result, "%f", max );
return TCL_OK;
}
int mat_min( tclMatrix *pm, Tcl_Interp *interp,
int argc, char *argv[] )
{
PLFLT min = pm->fdata[0];
int i;
for( i=1; i < pm->len; i++ )
if (pm->fdata[i] < min)
min = pm->fdata[i];
sprintf( interp->result, "%f", min );
return TCL_OK;
}
/*--------------------------------------------------------------------------*\
* main --
*
* Just a stub routine to call pltkMain. The latter is nice to have
* when building extended wishes, since then you don't have to rely on
* sucking the Tk main out of libtk (which doesn't work correctly on all
* systems/compilers/linkers/etc). Hopefully in the future Tk will
* supply a sufficiently capable tkMain() type function that can be used
* instead.
\*--------------------------------------------------------------------------*/
int
main(int argc, char **argv)
{
exit(pltkMain(argc, argv, NULL, AppInit));
}
/*
*--------------------------------------------------------------------------
*
* AppInit --
*
* This procedure performs application-specific initialization.
* Most applications, especially those that incorporate additional
* packages, will have their own version of this procedure.
*
* Results:
* Returns a standard Tcl completion code, and leaves an error
* message in interp->result if an error occurs.
*
* Side effects:
* Depends on the startup script.
*
* Taken from tkAppInit.c --
*
* Copyright (c) 1993 The Regents of the University of California.
* All rights reserved.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
* OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
* CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*--------------------------------------------------------------------------
*/
int get_dataCmd (ClientData, Tcl_Interp *, int, char **);
static int
AppInit(Tcl_Interp *interp)
{
Tk_Window mainWindow = Tk_MainWindow(interp);
/*
* Call the init procedures for included packages. Each call should
* look like this:
*
* if (Mod_Init(interp) == TCL_ERROR) {
* return TCL_ERROR;
* }
*
* where "Mod" is the name of the module.
*/
if (Pltk_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
/*
* Call Tcl_CreateCommand for application-specific commands, if
* they weren't already created by the init procedures called above.
*/
Tcl_CreateCommand(interp, "get_data",(Tcl_CmdProc*) get_dataCmd,
(ClientData) mainWindow, (Tcl_CmdDeleteProc*) NULL);
Tcl_MatrixInstallXtnsn( "max", mat_max );
Tcl_MatrixInstallXtnsn( "min", mat_min );
return TCL_OK;
}
int get_dataCmd( ClientData cd, Tcl_Interp *interp, int argc, char **argv )
{
tclMatrix *pm, *matPtr;
int nx, ny, i, j;
PLFLT pi = 3.1415927;
int kx = 3, ky = 2;
pm = Tcl_GetMatrixPtr( interp, argv[1] );
matPtr = pm;
if ( pm->dim != 2 ) {
interp->result = "must use 2-d matrix.";
return TCL_ERROR;
}
nx = pm->n[0], ny = pm->n[1];
for( i=0; i < nx; i++ ) {
for( j=0; j < ny; j++ ) {
pm->fdata[I2D(i,j)] = sin(pi*kx*i/64) * sin(pi*ky*j/64);
}
}
return TCL_OK;
}
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