1// Ported from:
 2//
 3// https://github.com/llvm/llvm-project/commit/d674d96bc56c0f377879d01c9d8dfdaaa7859cdb/compiler-rt/test/builtins/Unit/divsf3_test.c
 4
 5const __divsf3 = @import("divsf3.zig").__divsf3;
 6const testing = @import("std").testing;
 7
 8fn compareResultF(result: f32, expected: u32) bool {
 9    const rep: u32 = @bitCast(result);
10
11    if (rep == expected) {
12        return true;
13    }
14    // test other possible NaN representation(signal NaN)
15    else if (expected == 0x7fc00000) {
16        if ((rep & 0x7f800000) == 0x7f800000 and
17            (rep & 0x7fffff) > 0)
18        {
19            return true;
20        }
21    }
22    return false;
23}
24
25fn test__divsf3(a: f32, b: f32, expected: u32) !void {
26    const x = __divsf3(a, b);
27    const ret = compareResultF(x, expected);
28    try testing.expect(ret == true);
29}
30
31test "divsf3" {
32    try test__divsf3(1.0, 3.0, 0x3EAAAAAB);
33    try test__divsf3(2.3509887e-38, 2.0, 0x00800000);
34    try test__divsf3(1.0, 0x1.fffffep-1, 0x3f800001);
35}