179    double              x1, y1, x2, y2;  member
347 square_check(double x, double y, double x1, double y1, double x2, double y2)  in square_check()  argument
361    return ((x<x1) ^ (x<x2)) & ((y<y1) ^ (y<y2));  in square_check()
367    return square_check(x, y, arg->x1, arg->y1, arg->x2, arg->y2);  in inside_square_filled()
387    double cy = (arg->y1+arg->y2)/2;  in square_check_line()
388    double wy = fabs(arg->y1-arg->y2)/2;  in square_check_line()
459 circle_check(double x, double y, double x1, double y1, double x2, double y2)  in circle_check()  argument
461    if (square_check(x, y, x1, y1, x2, y2))  in circle_check()
465       const double cy = (y1 + y2)/2;  in circle_check()
467       const double dy = y1 - y2;  in circle_check()
484    return circle_check(x, y, arg->x1, arg->y1, arg->x2, arg->y2);  in inside_circle_filled()
496    double cy = (arg->y1+arg->y2)/2;  in circle_check_line()
497    double wy = fabs(arg->y1-arg->y2)/2;  in circle_check_line()
553 line_check(double x, double y, double x1, double y1, double x2, double y2,  in line_check()  argument
558    double ly = y2 - y1;  in line_check()
602    return line_check(x, y, arg->x1, arg->y1, arg->x2, arg->y2, arg->width/2, 0);  in inside_line()
611    if (line_check(x, y, arg->x1, arg->y1, arg->x2, arg->y2, arg->width/2,  in check_line()
618           line_check(x, y, arg->x1, arg->y1, arg->x2, arg->y2, arg->width/2,  in check_line()
684    arg->y2 = coordinate_of(argv[6]);  in parse_arg()