diff options
Diffstat (limited to 'lib/std/special/compiler_rt/fixunssfdi_test.zig')
| -rw-r--r-- | lib/std/special/compiler_rt/fixunssfdi_test.zig | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/std/special/compiler_rt/fixunssfdi_test.zig b/lib/std/special/compiler_rt/fixunssfdi_test.zig new file mode 100644 index 0000000000..e2089822d2 --- /dev/null +++ b/lib/std/special/compiler_rt/fixunssfdi_test.zig @@ -0,0 +1,35 @@ +const __fixunssfdi = @import("fixunssfdi.zig").__fixunssfdi; +const testing = @import("std").testing; + +fn test__fixunssfdi(a: f32, expected: u64) void { + const x = __fixunssfdi(a); + testing.expect(x == expected); +} + +test "fixunssfdi" { + test__fixunssfdi(0.0, 0); + + test__fixunssfdi(0.5, 0); + test__fixunssfdi(0.99, 0); + test__fixunssfdi(1.0, 1); + test__fixunssfdi(1.5, 1); + test__fixunssfdi(1.99, 1); + test__fixunssfdi(2.0, 2); + test__fixunssfdi(2.01, 2); + test__fixunssfdi(-0.5, 0); + test__fixunssfdi(-0.99, 0); + + test__fixunssfdi(-1.0, 0); + test__fixunssfdi(-1.5, 0); + test__fixunssfdi(-1.99, 0); + test__fixunssfdi(-2.0, 0); + test__fixunssfdi(-2.01, 0); + + test__fixunssfdi(0x1.FFFFFEp+63, 0xFFFFFF0000000000); + test__fixunssfdi(0x1.000000p+63, 0x8000000000000000); + test__fixunssfdi(0x1.FFFFFEp+62, 0x7FFFFF8000000000); + test__fixunssfdi(0x1.FFFFFCp+62, 0x7FFFFF0000000000); + + test__fixunssfdi(-0x1.FFFFFEp+62, 0x0000000000000000); + test__fixunssfdi(-0x1.FFFFFCp+62, 0x0000000000000000); +} |
