9 testing_function "add_num";;
12 eq_num (add_num (Int 1) (Int 3), Int 4);;
14 eq_num (add_num (Int 1) (Big_int (big_int_of_int 3)), Int 4);;
16 eq_num (add_num (Int 1) (Ratio (ratio_of_string "3/4")),
17 Ratio (ratio_of_string "7/4"));;
19 eq_num (add_num (Big_int (big_int_of_int 1)) (Ratio (ratio_of_string "3/4")),
20 Ratio (ratio_of_string "7/4"));;
22 eq_num (add_num (Big_int (big_int_of_int 1)) (Big_int (big_int_of_int 3)),
25 eq_num (add_num (Big_int (big_int_of_int 1)) (Ratio (ratio_of_string "3/4")),
26 Ratio (ratio_of_string "7/4"));;
28 eq_num (add_num (Ratio (ratio_of_string "2/3")) (Ratio (ratio_of_string "3/4")),
29 Ratio (ratio_of_string "17/12"));;
31 eq_num (add_num (Int least_int) (Int 1),
32 Int (- (pred biggest_int)));;
34 eq_num (add_num (Int biggest_int) (Int 1),
35 Big_int (minus_big_int (pred_big_int (big_int_of_int least_int))));;
37 testing_function "sub_num";;
40 eq_num (sub_num (Int 1) (Int 3), Int (-2));;
42 eq_num (sub_num (Int 1) (Big_int (big_int_of_int 3)), Int (-2));;
44 eq_num (sub_num (Int 1) (Ratio (ratio_of_string "3/4")),
45 Ratio (ratio_of_string "1/4"));;
47 eq_num (sub_num (Big_int (big_int_of_int 1)) (Ratio (ratio_of_string "3/4")),
48 Ratio (ratio_of_string "1/4"));;
50 eq_num (sub_num (Big_int (big_int_of_int 1)) (Big_int (big_int_of_int 3)),
53 eq_num (sub_num (Big_int (big_int_of_int 1)) (Ratio (ratio_of_string "3/4")),
54 Ratio (ratio_of_string "1/4"));;
56 eq_num (sub_num (Ratio (ratio_of_string "2/3")) (Ratio (ratio_of_string "3/4")),
57 Ratio (ratio_of_string "-1/12"));;
59 eq_num (sub_num (Int least_int) (Int (-1)),
60 Int (- (pred biggest_int)));;
62 eq_num (sub_num (Int (-1)) (Int biggest_int), pred_num (Int least_int));;
64 testing_function "mult_num";;
67 eq_num (mult_num (Int 2) (Int 3), Int 6);;
69 eq_num (mult_num (Int 127) (Int (int_of_string "257")),
70 Int (int_of_string "32639"));;
72 eq_num (mult_num (Int 257) (Int (int_of_string "260")),
73 Big_int (big_int_of_string "66820"));;
75 eq_num (mult_num (Int 2) (Big_int (big_int_of_int 3)), Int 6);;
77 eq_num (mult_num (Int 10) (Ratio (ratio_of_string "3/4")),
78 Ratio (ratio_of_string "15/2"));;
80 eq_num (mult_num (Big_int (big_int_of_int 10)) (Ratio (ratio_of_string "3/4")),
81 Ratio (ratio_of_string "15/2"));;
83 eq_num (mult_num (Big_int (big_int_of_int 2)) (Big_int (big_int_of_int 3)),
86 eq_num (mult_num (Big_int (big_int_of_int 10)) (Ratio (ratio_of_string "3/4")),
87 Ratio (ratio_of_string "15/2"));;
89 eq_num (mult_num (Ratio (ratio_of_string "2/3")) (Ratio (ratio_of_string "3/4"))
90 , Ratio (ratio_of_string "1/2"));;
92 testing_function "div_num";;
95 eq_num (div_num (Int 6) (Int 3), Int 2);;
97 eq_num (div_num (Int (int_of_string "32639"))
98 (Int (int_of_string "257")), Int 127);;
100 eq_num (div_num (Big_int (big_int_of_string "66820"))
101 (Int (int_of_string "257")),
104 eq_num (div_num (Int 6) (Big_int (big_int_of_int 3)), Int 2);;
106 eq_num (div_num (Ratio (ratio_of_string "15/2"))
108 Ratio (ratio_of_string "3/4"));;
110 eq_num (div_num (Big_int (big_int_of_int 6)) (Big_int (big_int_of_int 3)),
113 eq_num (div_num (Ratio (ratio_of_string "15/2"))
114 (Big_int (big_int_of_int 10)),
115 Ratio (ratio_of_string "3/4"));;
117 eq_num (div_num (Ratio (ratio_of_string "15/2"))
118 (Ratio (ratio_of_string "3/4")),
119 Big_int (big_int_of_int 10));;
121 eq_num (div_num (Ratio (ratio_of_string "1/2"))
122 (Ratio (ratio_of_string "3/4")),
123 Ratio (ratio_of_string "2/3"));;
125 testing_function "is_integer_num";;
128 eq (is_integer_num (Int 3),true);;
130 eq (is_integer_num (Big_int (big_int_of_string "1234567890")),true);;
132 eq (not (is_integer_num (Ratio (ratio_of_string "1/2"))),true);;
134 eq (is_integer_num (Ratio (ratio_of_string "1073774590/32770")),true);;
136 testing_function "num_of_ratio";;
139 eq_num (num_of_ratio (ratio_of_string "4/2"), Int 2);;
141 eq_num (num_of_ratio (ratio_of_string "11811160075/11"),
142 Big_int (big_int_of_string "1073741825"));;
144 eq_num (num_of_ratio (ratio_of_string "123456789012/1234"),
145 Ratio (ratio_of_string "61728394506/617"));;
147 testing_function "num_of_string";;
150 eq_num (num_of_string "123/3456", Ratio (ratio_of_string "123/3456"));;
153 eq_num (num_of_string "12.3/34.56", Ratio (ratio_of_string "1230/3456"));;
155 eq_num (num_of_string "1.23/325.6", Ratio (ratio_of_string "123/32560"));;
157 eq_num (num_of_string "12.3/345.6", Ratio (ratio_of_string "123/3456"));;
158 set_error_when_null_denominator false;;
160 eq_num (num_of_string "12.3/0.0", Ratio (ratio_of_string "123/0"));;
162 eq_num (num_of_string "0/0", Ratio (ratio_of_string "0/0"));;
163 set_error_when_null_denominator true;;
166 eq_num (num_of_string "1234567890",
167 Big_int (big_int_of_string "1234567890"));;
169 eq_num (num_of_string "12345", Int (int_of_string "12345"));;
172 eq_num (num_of_string "0.23", Ratio (ratio_of_string "23/100"));;
174 eq_num (num_of_string "0.23", Ratio (ratio_of_string "0.23/1"));;
178 num_of_string ("frlshjkurty") (Failure "num_of_string");;
182 testing_function "immediate numbers";;
184 standard arith false;;
187 test 0 eq_string (string_of_num x, "1/2");;
189 let y = 12345678901 in
190 test 1 eq_string (string_of_num y, "12345678901");;
191 testing_function "immediate numbers";;
194 test 0 eq_string (string_of_num x, "1/2");;
196 let y = 12345678901 in
197 test 1 eq_string (string_of_num y, "12345678901");;
199 testing_function "pattern_matching on nums";;
201 let f1 = function 0 -> true | _ -> false;;
203 test 1 eq (f1 0, true);;
205 test 2 eq (f1 1, false);;
207 test 3 eq (f1 (0/1), true);;
209 test 4 eq (f1 (let n = num_of_string "2000000000000000000000000" in n-n) ,
212 test 5 eq (f1 (let n = num_of_string "2000000000000000000000000" in n/n-1) ,
215 test 6 eq (f1 (let n = num_of_string "2000000000000000000000000" in n+1) ,
218 test 7 eq (f1 (1/2), false);;