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1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
13 #![feature(i128_type, test)]
16 use test
::black_box
as b
;
23 let z
: i128
= 0xABCD_EF;
24 assert_eq
!(z
* z
, 0x734C_C2F2_A521);
25 assert_eq
!(z
* z
* z
* z
, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
26 assert_eq
!(-z
* -z
, 0x734C_C2F2_A521);
27 assert_eq
!(-z
* -z
* -z
* -z
, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
28 assert_eq
!(-z
+ -z
+ -z
+ -z
, -0x2AF3_7BC);
29 let k
: i128
= -0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210;
30 assert_eq
!(k
+ k
, -0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420);
32 assert_eq
!(-0x1234_5678_9ABC_DEFF_EDCB_A987_5A86_421, k
+ z
);
33 assert_eq
!(-0x1000_0000_0000_0000_0000_0000_0000_000,
34 k
+ 0x234_5678_9ABC_DEFF_EDCB_A987_6543_210);
35 assert_eq
!(-0x6EF5_DE4C_D3BC_2AAA_3BB4_CC5D_D6EE_8, k
/ 42);
36 assert_eq
!(-k
, k
/ -1);
37 assert_eq
!(-0x91A2_B3C4_D5E6_F8, k
>> 65);
38 assert_eq
!(-0xFDB9_7530_ECA8_6420_0000_0000_0000_0000, k
<< 65);
42 assert_eq
!(x
as i64, -1);
43 assert_eq
!(z
as i64, 0xABCD_EF);
44 assert_eq
!(k
as i64, -0xFEDC_BA98_7654_3210);
45 assert_eq
!(k
as u128
, 0xFEDC_BA98_7654_3210_0123_4567_89AB_CDF0);
46 assert_eq
!(-k
as u128
, 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
47 assert_eq
!((-z
as f64) as i128
, -z
);
48 assert_eq
!((-z
as f32) as i128
, -z
);
49 assert_eq
!((-z
as f64 * 16.0) as i128
, -z
* 16);
50 assert_eq
!((-z
as f32 * 16.0) as i128
, -z
* 16);
51 // Same stuff as above, but blackboxed, to force use of intrinsics
56 let z
: i128
= b(0xABCD_EF);
57 assert_eq
!(z
* z
, 0x734C_C2F2_A521);
58 assert_eq
!(z
* z
* z
* z
, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
59 assert_eq
!(-z
* -z
, 0x734C_C2F2_A521);
60 assert_eq
!(-z
* -z
* -z
* -z
, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
61 assert_eq
!(-z
+ -z
+ -z
+ -z
, -0x2AF3_7BC);
62 let k
: i128
= b(-0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
63 assert_eq
!(k
+ k
, -0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420);
65 assert_eq
!(-0x1234_5678_9ABC_DEFF_EDCB_A987_5A86_421, k
+ z
);
66 assert_eq
!(-0x1000_0000_0000_0000_0000_0000_0000_000,
67 k
+ 0x234_5678_9ABC_DEFF_EDCB_A987_6543_210);
68 assert_eq
!(-0x6EF5_DE4C_D3BC_2AAA_3BB4_CC5D_D6EE_8, k
/ 42);
69 assert_eq
!(-k
, k
/ -1);
70 assert_eq
!(-0x91A2_B3C4_D5E6_F8, k
>> 65);
71 assert_eq
!(-0xFDB9_7530_ECA8_6420_0000_0000_0000_0000, k
<< 65);
75 assert_eq
!(x
as i64, -1);
76 assert_eq
!(z
as i64, 0xABCD_EF);
77 assert_eq
!(k
as i64, -0xFEDC_BA98_7654_3210);
78 assert_eq
!(k
as u128
, 0xFEDC_BA98_7654_3210_0123_4567_89AB_CDF0);
79 assert_eq
!(-k
as u128
, 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
80 assert_eq
!((-z
as f64) as i128
, -z
);
81 assert_eq
!((-z
as f32) as i128
, -z
);
82 assert_eq
!((-z
as f64 * 16.0) as i128
, -z
* 16);
83 assert_eq
!((-z
as f32 * 16.0) as i128
, -z
* 16);
85 let j
: i128
= -(1 << 67);
86 assert_eq
!("-147573952589676412928", format
!("{}", j
));
87 assert_eq
!("fffffffffffffff80000000000000000", format
!("{:x}", j
));
88 assert_eq
!("3777777777777777777760000000000000000000000", format
!("{:o}", j
));
89 assert_eq
!("1111111111111111111111111111111111111111111111111111111111111\
90 0000000000000000000000000000000000000000000000000000000000000000000",
92 assert_eq
!("-147573952589676412928", format
!("{:?}", j
));
94 assert_eq
!(x
, b(x
.clone()));
96 assert_eq
!((-z
).checked_mul(-z
), Some(0x734C_C2F2_A521));
97 assert_eq
!((z
).checked_mul(z
), Some(0x734C_C2F2_A521));
98 assert_eq
!((k
).checked_mul(k
), None
);
99 let l
: i128
= b(i128
::min_value());
101 assert_eq
!(l
.checked_sub(b(2)), None
);
102 assert_eq
!(l
.checked_add(l
), None
);
103 assert_eq
!((-(l
+ 1)).checked_add(2), None
);
104 assert_eq
!(l
.checked_sub(l
), Some(0));
105 assert_eq
!(b(1u128).checked_shl(b(127)), Some(1 << 127));
106 assert_eq
!(o
.checked_shl(b(128)), None
);
108 // https://github.com/rust-lang/rust/issues/41228
109 assert_eq
!(b(-87559967289969187895646876466835277875_i128) /
110 b(84285771033834995895337664386045050880_i128),