182 lines
3.7 KiB
C
182 lines
3.7 KiB
C
/* VIPS function dispatch tables for matricies.
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*
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* J. Cupitt, 14/2/95.
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <stdio.h>
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#include <vips/vips.h>
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#ifdef WITH_DMALLOC
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#include <dmalloc.h>
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#endif /*WITH_DMALLOC*/
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/* One matrix in, one out.
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*/
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static im_arg_desc one_in_one_out[] = {
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IM_INPUT_DMASK( "in" ),
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IM_OUTPUT_DMASK( "out" )
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};
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/* Two matricies in, one out.
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*/
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static im_arg_desc two_in_one_out[] = {
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IM_INPUT_DMASK( "in1" ),
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IM_INPUT_DMASK( "in2" ),
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IM_OUTPUT_DMASK( "out" )
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};
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/* Call im_matinv via arg vector.
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*/
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static int
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matinv_vec( im_object *argv )
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{
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im_mask_object *in = argv[0];
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im_mask_object *out = argv[1];
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if( !(out->mask =
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im_matinv( in->mask, out->name )) )
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return( -1 );
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return( 0 );
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}
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/* Description of im_matinv.
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*/
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static im_function matinv_desc = {
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"im_matinv", /* Name */
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"invert matrix",
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0, /* Flags */
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matinv_vec, /* Dispatch function */
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IM_NUMBER( one_in_one_out ), /* Size of arg list */
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one_in_one_out /* Arg list */
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};
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/* Call im_mattrn via arg vector.
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*/
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static int
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mattrn_vec( im_object *argv )
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{
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im_mask_object *in = argv[0];
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im_mask_object *out = argv[1];
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if( !(out->mask =
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im_mattrn( in->mask, out->name )) )
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return( -1 );
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return( 0 );
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}
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/* Description of im_mattrn.
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*/
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static im_function mattrn_desc = {
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"im_mattrn", /* Name */
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"transpose matrix",
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0, /* Flags */
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mattrn_vec, /* Dispatch function */
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IM_NUMBER( one_in_one_out ), /* Size of arg list */
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one_in_one_out /* Arg list */
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};
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/* Call im_matcat via arg vector.
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*/
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static int
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matcat_vec( im_object *argv )
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{
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im_mask_object *in1 = argv[0];
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im_mask_object *in2 = argv[1];
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im_mask_object *out = argv[2];
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if( !(out->mask =
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im_matcat( in1->mask, in2->mask, out->name )) )
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return( -1 );
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return( 0 );
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}
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/* Description of im_matcat.
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*/
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static im_function matcat_desc = {
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"im_matcat", /* Name */
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"append matrix in2 to the end of matrix in1",
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0, /* Flags */
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matcat_vec, /* Dispatch function */
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IM_NUMBER( two_in_one_out ), /* Size of arg list */
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two_in_one_out /* Arg list */
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};
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/* Call im_matmul via arg vector.
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*/
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static int
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matmul_vec( im_object *argv )
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{
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im_mask_object *in1 = argv[0];
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im_mask_object *in2 = argv[1];
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im_mask_object *out = argv[2];
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if( !(out->mask =
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im_matmul( in1->mask, in2->mask, out->name )) )
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return( -1 );
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return( 0 );
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}
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/* Description of im_matmul.
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*/
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static im_function matmul_desc = {
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"im_matmul", /* Name */
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"multiply matrix in1 by matrix in2",
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0, /* Flags */
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matmul_vec, /* Dispatch function */
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IM_NUMBER( two_in_one_out ), /* Size of arg list */
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two_in_one_out /* Arg list */
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};
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/* Package up all these functions.
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*/
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static im_function *matrix_list[] = {
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&matcat_desc,
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&matinv_desc,
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&matmul_desc,
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&mattrn_desc
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};
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/* Package of functions.
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*/
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im_package im__matrix = {
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"matrix",
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IM_NUMBER( matrix_list ),
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matrix_list
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};
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