1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
assertEq(Math.round(3.14), 3);
assertEq(Math.round(0.5), 1);
assertEq(Math.round(-0), -0);
assertEq(Math.round(0), 0);
assertEq(Math.round(-1.03), -1);
assertEq(Math.round(2147483649), 2147483649);
assertEq(Math.round(2147483647.5), 2147483648);
assertEq(Math.floor(2147483647.1), 2147483647);
/* Inferred as round(double). */
function round1(x) {
return Math.round(x);
}
assertEq(round1(10.3), 10);
assertEq(round1(-3.14), -3);
assertEq(round1(-3.5), -3);
assertEq(round1(-3.6), -4);
assertEq(round1(3.5), 4);
assertEq(round1(3.6), 4);
assertEq(round1(0), 0);
assertEq(round1(-0), -0); // recompile to return double
assertEq(round1(12345), 12345);
assertEq(round1(654.6), 655);
/* Inferred as round(double). */
function round2(x) {
return Math.round(x);
}
assertEq(round2(1234.5), 1235);
assertEq(round2(NaN), NaN); // recompile to return double
assertEq(round2(4.6), 5);
/* Inferred as round(int). */
function round3(x) {
return Math.round(x);
}
assertEq(round3(4), 4);
assertEq(round3(-5), -5);
assertEq(round3(0), 0);
|
