312 						   pen_point	**points,  in li_recognizer_get_example()  argument
334 		*points = pl->pts;  in li_recognizer_get_example()
980 static int lialg_preprocess_stroke(point_list *points) {  in lialg_preprocess_stroke()  argument
992 	lialg_get_bounding_box(points, &minx, &miny, &maxx, &maxy);  in lialg_preprocess_stroke()
999 	if (lialg_translate_points(points, minx, miny, scale, scale) != 0)  in lialg_preprocess_stroke()
1003 	lialg_get_bounding_box(points, &minx, &miny, &maxx, &maxy);  in lialg_preprocess_stroke()
1008 	if (lialg_translate_points(points, xoff, yoff, 100, 100) != 0) return(-1);  in lialg_preprocess_stroke()
1013 	points->xrange = xrange;  in lialg_preprocess_stroke()
1014 	points->yrange = yrange;  in lialg_preprocess_stroke()
1020 		for (i = 0; i < points->npts; i++)  in lialg_preprocess_stroke()
1021 			fprint(2, "      (%P)\n", points->pts[i].Point);  in lialg_preprocess_stroke()
1029 static point_list *lialg_compute_dominant_points(point_list *points) {  in lialg_compute_dominant_points()  argument
1035 	ipts = lialg_interpolate_points(points);  in lialg_compute_dominant_points()
1076 static point_list *lialg_interpolate_points(point_list *points) {  in lialg_interpolate_points()  argument
1083 	for (i = 0; i < (points->npts - 1); i++) {  in lialg_interpolate_points()
1084 				pen_point *pta = &(points->pts[i]);  in lialg_interpolate_points()
1085 				pen_point *ptb = &(points->pts[i+1]);  in lialg_interpolate_points()
1090 	maxpts += points->npts;  in lialg_interpolate_points()
1103 	for (i = 0; i < (points->npts - 1); i++) {  in lialg_interpolate_points()
1104 				pen_point *startpt = &(points->pts[i]);  in lialg_interpolate_points()
1105 				pen_point *endpt = &(points->pts[i+1]);  in lialg_interpolate_points()
1113 	newpts->pts[j++] = points->pts[points->npts - 1];  in lialg_interpolate_points()
1999 static int lialg_canonicalize_example_stroke(point_list *points) {  in lialg_canonicalize_example_stroke()  argument
2003 	if (lialg_filter_points(points) != 0) return(-1);  in lialg_canonicalize_example_stroke()
2006 	if (points->npts < 2) {  in lialg_canonicalize_example_stroke()
2009 					points->npts);  in lialg_canonicalize_example_stroke()
2015 	lialg_get_bounding_box(points, &minx, &miny, &maxx, &maxy);  in lialg_canonicalize_example_stroke()
2022 	if (lialg_translate_points(points, minx, miny, scale, scale) != 0) {  in lialg_canonicalize_example_stroke()
2030 	if (lialg_compute_equipoints(points) != 0) return(-1);  in lialg_canonicalize_example_stroke()
2033 	lialg_get_bounding_box(points, &minx, &miny, &maxx, &maxy);  in lialg_canonicalize_example_stroke()
2034 	if (lialg_translate_points(points, minx, miny, 100, 100) != 0) {  in lialg_canonicalize_example_stroke()
2044 	points->xrange = xrange;  in lialg_canonicalize_example_stroke()
2045 	points->yrange = yrange;  in lialg_canonicalize_example_stroke()
2050 		for (i = 0; i < points->npts; i++)  in lialg_canonicalize_example_stroke()
2051 			fprint(2, "      (%P)\n", points->pts[i].Point);  in lialg_canonicalize_example_stroke()
2059 static int lialg_compute_equipoints(point_list *points) {  in lialg_compute_equipoints()  argument
2062 	int pathlen = lialg_compute_pathlen(points);  in lialg_compute_equipoints()
2076 				points->npts, pathlen, equidist);  in lialg_compute_equipoints()
2081 	equipoints[0] = points->pts[0];  in lialg_compute_equipoints()
2085 	for (i = 1; i < points->npts; i++) {  in lialg_compute_equipoints()
2086 		int dx1 = points->pts[i].x - points->pts[i-1].x;  in lialg_compute_equipoints()
2087 		int dy1 = points->pts[i].y - points->pts[i-1].y;  in lialg_compute_equipoints()
2088 		int endx = 100 * points->pts[i-1].x;  in lialg_compute_equipoints()
2089 		int endy = 100 * points->pts[i-1].y;  in lialg_compute_equipoints()
2135 		equipoints[nequipoints] = points->pts[points->npts - 1];  in lialg_compute_equipoints()
2145 	points->npts = NCANONICAL;  in lialg_compute_equipoints()
2146 	delete_pen_point_array(points->pts);  in lialg_compute_equipoints()
2147 	points->pts = equipoints;  in lialg_compute_equipoints()
2159 static int lialg_compute_pathlen(point_list *points) {  in lialg_compute_pathlen()  argument
2160 	return(lialg_compute_pathlen_subset(points, 0, points->npts - 1));  in lialg_compute_pathlen()
2165 static int lialg_compute_pathlen_subset(point_list *points,  in lialg_compute_pathlen_subset()  argument
2172 		int dx = points->pts[i].x - points->pts[i-1].x;  in lialg_compute_pathlen_subset()
2173 		int dy = points->pts[i].y - points->pts[i-1].y;  in lialg_compute_pathlen_subset()
2183 static int lialg_filter_points(point_list *points) {  in lialg_filter_points()  argument
2185 	pen_point *filtered_pts = mallocz(points->npts*sizeof(pen_point), 1);  in lialg_filter_points()
2193 	filtered_pts[0] = points->pts[0];  in lialg_filter_points()
2195 	for (i = 1; i < points->npts; i++) {  in lialg_filter_points()
2197 		int dx = points->pts[i].x - filtered_pts[j].x;  in lialg_filter_points()
2198 		int dy = points->pts[i].y - filtered_pts[j].y;  in lialg_filter_points()
2202 			filtered_pts[filtered_npts] = points->pts[i];  in lialg_filter_points()
2207 	points->npts = filtered_npts;  in lialg_filter_points()
2208 	delete_pen_point_array(points->pts);  in lialg_filter_points()
2209 	points->pts = filtered_pts;  in lialg_filter_points()
2216 static int lialg_translate_points(point_list *points,  in lialg_translate_points()  argument
2221 	for (i = 0; i < points->npts; i++) {  in lialg_translate_points()
2222 				points->pts[i].x = ((points->pts[i].x - minx) * scalex + 50) / 100;  in lialg_translate_points()
2223 				points->pts[i].y = ((points->pts[i].y - miny) * scaley + 50) / 100;  in lialg_translate_points()
2230 static void lialg_get_bounding_box(point_list *points,  in lialg_get_bounding_box()  argument
2236 	minx = maxx = points->pts[0].x;  in lialg_get_bounding_box()
2237 	miny = maxy = points->pts[0].y;  in lialg_get_bounding_box()
2238 	for (i = 1; i < points->npts; i++) {  in lialg_get_bounding_box()
2239 				pen_point *pt = &(points->pts[i]);  in lialg_get_bounding_box()