46 double point3d_length (
56 double point3d_square_length (
66 double point2d_length (
110 double point3d_area (
124 void base_modification_3d_to_2d (
137 void find_second_base_vector (
150 int point_in_triangle (
162 double vector3d_angle_radian (
172 double vector3d_angle_degre (
221 double distance_point_straight_line (
234 double distance_point_plane (
248 double distance_point_triangle (
264 void sample_triangle (
281 int intersection_droite_plan (
298 int intersection_droite_triangle (
316 int intersection_triangle_triangle (
331 int trois_points_alignes (