old_s_w          1343 core/gps.c         double old_s_w=sin(0);
old_s_w          1400 core/gps.c                 draw_compass_needle (old_angle, old_s_w, old_c_w, bitmap1, extent, m_x, m_y, offset_x, offset_y, f_v_0, f_v_0);
old_s_w          1405 core/gps.c             old_s_w=sin(w);