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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
;
19 let x
: u128
= 0xFFFF_FFFF_FFFF_FFFF__FFFF_FFFF_FFFF_FFFF;
22 let y
: u128
= 0xFFFF_FFFF_FFFF_FFFF__FFFF_FFFF_FFFF_FFFE;
25 assert_eq
!(0xFAFF_0000_FF8F_0000__FFFF_0000_FFFF_FFFE,
27 0xFAFF_0000_FF8F_0000__FFFF_0000_FFFF_FFFF);
28 let z
: u128
= 0xABCD_EF;
29 assert_eq
!(z
* z
, 0x734C_C2F2_A521);
30 assert_eq
!(z
* z
* z
* z
, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
31 assert_eq
!(z
+ z
+ z
+ z
, 0x2AF3_7BC);
32 let k
: u128
= 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210;
33 assert_eq
!(k
+ k
, 0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420);
35 assert_eq
!(0x1234_5678_9ABC_DEFF_EDCB_A987_5A86_421, k
- z
);
36 assert_eq
!(0x1000_0000_0000_0000_0000_0000_0000_000,
37 k
- 0x234_5678_9ABC_DEFF_EDCB_A987_6543_210);
38 assert_eq
!(0x6EF5_DE4C_D3BC_2AAA_3BB4_CC5D_D6EE_8, k
/ 42);
39 assert_eq
!(0, k
% 42);
40 assert_eq
!(15, z
% 42);
41 assert_eq
!(0x169D_A8020_CEC18, k
% 0x3ACB_FE49_FF24_AC);
42 assert_eq
!(0x91A2_B3C4_D5E6_F7, k
>> 65);
43 assert_eq
!(0xFDB9_7530_ECA8_6420_0000_0000_0000_0000, k
<< 65);
47 assert_eq
!(x
as u64, !0);
48 assert_eq
!(z
as u64, 0xABCD_EF);
49 assert_eq
!(k
as u64, 0xFEDC_BA98_7654_3210);
50 assert_eq
!(k
as i128
, 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
51 assert_eq
!((z
as f64) as u128
, z
);
52 assert_eq
!((z
as f32) as u128
, z
);
53 assert_eq
!((z
as f64 * 16.0) as u128
, z
* 16);
54 assert_eq
!((z
as f32 * 16.0) as u128
, z
* 16);
55 let l
:u128
= 432 << 100;
56 assert_eq
!((l
as f32) as u128
, l
);
57 assert_eq
!((l
as f64) as u128
, l
);
59 let j
: u128
= 1 << 67;
60 assert_eq
!("147573952589676412928", format
!("{}", j
));
61 assert_eq
!("80000000000000000", format
!("{:x}", j
));
62 assert_eq
!("20000000000000000000000", format
!("{:o}", j
));
63 assert_eq
!("10000000000000000000000000000000000000000000000000000000000000000000",
65 assert_eq
!("340282366920938463463374607431768211455",
66 format
!("{}", u128
::max_value()));
67 assert_eq
!("147573952589676412928", format
!("{:?}", j
));
69 assert_eq
!(x
, b(x
.clone()));
71 assert_eq
!((z
).checked_mul(z
), Some(0x734C_C2F2_A521));
72 assert_eq
!((k
).checked_mul(k
), None
);
73 let l
: u128
= b(u128
::max_value() - 10);
75 assert_eq
!(l
.checked_add(b(11)), None
);
76 assert_eq
!(l
.checked_sub(l
), Some(0));
77 assert_eq
!(o
.checked_sub(b(18)), None
);
78 assert_eq
!(b(1u128).checked_shl(b(127)), Some(1 << 127));
79 assert_eq
!(o
.checked_shl(b(128)), None
);
81 // Test cases for all udivmodti4 branches.
83 assert_eq
!(b(0x69545bd57727c050_u128) /
84 b(0x3283527a3350d88c_u128),
87 assert_eq
!(b(0x0_8003c9c50b473ae6_u128) /
88 b(0x1_283e8838c30fa8f4_u128),
91 assert_eq
!(b(0xc43f42a207978720_u128 << 64) /
92 b(0x098e62b74c23cf1a_u128 << 64),
94 // case "KK/K0" for power-of-two D.
95 assert_eq
!(b(0xa9008fb6c9d81e42_0e25730562a601c8_u128) /
98 // case "KK/K0" with N >= D (https://github.com/rust-lang/rust/issues/41228).
99 assert_eq
!(b(0xe4d26e59f0640328_06da5b06efe83a41_u128) /
100 b(0x330fcb030ea4447c_u128 << 64),
102 assert_eq
!(b(3u128 << 64 | 1) /
105 // case "KK/K0" with N < D.
106 assert_eq
!(b(0x6655c9fb66ca2884_e2d1dfd470158c62_u128) /
107 b(0xb35b667cab7e355b_u128 << 64),
109 // case "KX/0K" for power-of-two D.
110 assert_eq
!(b(0x3e49dd84feb2df59_7b2f97d93a253969_u128) /
112 0x03e49dd84feb2df5_97b2f97d93a25396_u128);
113 // case "KX/0K" in general.
114 assert_eq
!(b(0x299692b3a1dae5bd_6162e6f489d2620e_u128) /
115 b(0x900b6f027571d6f7_u128),
116 0x49e95f54b0442578_u128);
117 // case "KX/KK" with N >= D.
118 assert_eq
!(b(0xc7b889180b67b07d_bc1a3c88783d35b5_u128) /
119 b(0x1d7e69f53160b9e2_60074771e852f244_u128),
121 // case "KX/KK" with N < D.
122 assert_eq
!(b(0x679289ac23bb334f_36144401cf882172_u128) /
123 b(0x7b0b271b64865f05_f54a7b72746c062f_u128),