+/*
+ * Copyright Droids Corporation (2009)
+ *
+ * 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
+ *
+ * Revision : $Id: f16.h,v 1.6.4.3 2008-05-10 15:06:26 zer0 Exp $
+ *
+ */
+
+#ifndef _VECT_BASE_H_
+#define _VECT_BASE_H_
+
typedef struct _vect_t {
- int32_t x;
- int32_t y;
-}vect_t;
+ float x;
+ float y;
+} vect_t;
typedef struct _point_t {
- int32_t x;
- int32_t y;
-}point_t;
-
+ float x;
+ float y;
+} point_t;
-
/* Return scalar product */
-int32_t
+float
vect_pscal(vect_t *v, vect_t *w);
/* Return Z of vectorial product */
-int32_t
+float
vect_pvect(vect_t *v, vect_t *w);
/* Return scalar product */
vect_pvect_sign(vect_t *v, vect_t *w);
/* norm of a vector */
+//float norm(float x1, float y1, float x2, float y2);
+float pt_norm(point_t *p1, point_t *p2);
float vect_norm(vect_t *v);
void vect_rot_trigo(vect_t *v);
void vect_rot_retro(vect_t *v);
float vect_get_angle(vect_t *v, vect_t *w);
-
+
+void vect_resize(vect_t *v, float l);
+
+#endif /* _VECT_BASE_H_ */