/* ** Notation: ** f(x) is the original function. ** f1(x) is the first derivative of the function. ** f2(x) is the second derivative of the function. ** f3(x) is the third derivative of the function. ** f4(x) is the fourth derivative of the function. ** f5(x) is the fifth derivative of the function. ** f6(x) is the sixth derivative of the function. ** f7(x) is the seventh derivative of the function. ** f8(x) is the eighth derivative of the function. ** f9(x) is the ninth derivative of the function. ** f10(x) is the tenth derivative of the function. */ typedef long double number; typedef number (*ftype) (number); extern number al1(ftype, ftype, number, number); extern number bl1(ftype, ftype, ftype, number, number); extern number al2(ftype, ftype, ftype, number, number); extern number bl2(ftype, ftype, ftype, ftype, number, number); extern number al3(ftype, ftype, ftype, ftype, number, number); extern number bl3(ftype, ftype, ftype, ftype, ftype, number, number); extern number al4(ftype, ftype, ftype, ftype, ftype, number, number); extern number bl4(ftype, ftype, ftype, ftype, ftype, ftype, number, number); extern number al5(ftype, ftype, ftype, ftype, ftype, ftype, number, number); extern number bl5(ftype, ftype, ftype, ftype, ftype, ftype, ftype, number, number); extern number al6(ftype, ftype, ftype, ftype, ftype, ftype, ftype, number, number); extern number bl6(ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, number, number); extern number al7(ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, number, number); extern number bl7(ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, number, number); extern number al8(ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, number, number); extern number bl8(ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, number, number); extern number al9(ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, number, number); extern number bl9(ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, ftype, number, number);