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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.
12 #![allow(overflowing_literals)]
14 // ignore-emscripten i128 doesn't work
16 // compile-flags: -Z borrowck=compare
21 use test
::black_box
as b
;
28 let z
: i128
= 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
, 0x734C_C2F2_A521);
32 assert_eq
!(-z
* -z
* -z
* -z
, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
33 assert_eq
!(-z
+ -z
+ -z
+ -z
, -0x2AF3_7BC);
34 let k
: i128
= -0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210;
35 assert_eq
!(k
+ k
, -0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420);
37 assert_eq
!(-0x1234_5678_9ABC_DEFF_EDCB_A987_5A86_421, k
+ z
);
38 assert_eq
!(-0x1000_0000_0000_0000_0000_0000_0000_000,
39 k
+ 0x234_5678_9ABC_DEFF_EDCB_A987_6543_210);
40 assert_eq
!(-0x6EF5_DE4C_D3BC_2AAA_3BB4_CC5D_D6EE_8, k
/ 42);
41 assert_eq
!(-k
, k
/ -1);
42 assert_eq
!(-0x91A2_B3C4_D5E6_F8, k
>> 65);
43 assert_eq
!(-0xFDB9_7530_ECA8_6420_0000_0000_0000_0000, k
<< 65);
47 assert_eq
!(x
as i64, -1);
48 assert_eq
!(z
as i64, 0xABCD_EF);
49 assert_eq
!(k
as i64, -0xFEDC_BA98_7654_3210);
50 assert_eq
!(k
as u128
, 0xFEDC_BA98_7654_3210_0123_4567_89AB_CDF0);
51 assert_eq
!(-k
as u128
, 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
52 assert_eq
!((-z
as f64) as i128
, -z
);
53 assert_eq
!((-z
as f32) as i128
, -z
);
54 assert_eq
!((-z
as f64 * 16.0) as i128
, -z
* 16);
55 assert_eq
!((-z
as f32 * 16.0) as i128
, -z
* 16);
56 // Same stuff as above, but blackboxed, to force use of intrinsics
61 let z
: i128
= b(0xABCD_EF);
62 assert_eq
!(z
* z
, 0x734C_C2F2_A521);
63 assert_eq
!(z
* z
* z
* z
, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
64 assert_eq
!(-z
* -z
, 0x734C_C2F2_A521);
65 assert_eq
!(-z
* -z
* -z
* -z
, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
66 assert_eq
!(-z
+ -z
+ -z
+ -z
, -0x2AF3_7BC);
67 let k
: i128
= b(-0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
68 assert_eq
!(k
+ k
, -0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420);
70 assert_eq
!(-0x1234_5678_9ABC_DEFF_EDCB_A987_5A86_421, k
+ z
);
71 assert_eq
!(-0x1000_0000_0000_0000_0000_0000_0000_000,
72 k
+ 0x234_5678_9ABC_DEFF_EDCB_A987_6543_210);
73 assert_eq
!(-0x6EF5_DE4C_D3BC_2AAA_3BB4_CC5D_D6EE_8, k
/ 42);
74 assert_eq
!(-k
, k
/ -1);
75 assert_eq
!(-0x91A2_B3C4_D5E6_F8, k
>> 65);
76 assert_eq
!(-0xFDB9_7530_ECA8_6420_0000_0000_0000_0000, k
<< 65);
80 assert_eq
!(x
as i64, -1);
81 assert_eq
!(z
as i64, 0xABCD_EF);
82 assert_eq
!(k
as i64, -0xFEDC_BA98_7654_3210);
83 assert_eq
!(k
as u128
, 0xFEDC_BA98_7654_3210_0123_4567_89AB_CDF0);
84 assert_eq
!(-k
as u128
, 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
85 assert_eq
!((-z
as f64) as i128
, -z
);
86 assert_eq
!((-z
as f32) as i128
, -z
);
87 assert_eq
!((-z
as f64 * 16.0) as i128
, -z
* 16);
88 assert_eq
!((-z
as f32 * 16.0) as i128
, -z
* 16);
90 let j
: i128
= -(1 << 67);
91 assert_eq
!("-147573952589676412928", format
!("{}", j
));
92 assert_eq
!("fffffffffffffff80000000000000000", format
!("{:x}", j
));
93 assert_eq
!("3777777777777777777760000000000000000000000", format
!("{:o}", j
));
94 assert_eq
!("1111111111111111111111111111111111111111111111111111111111111\
95 0000000000000000000000000000000000000000000000000000000000000000000",
97 assert_eq
!("-147573952589676412928", format
!("{:?}", j
));
99 assert_eq
!(x
, b(x
.clone()));
101 assert_eq
!((-z
).checked_mul(-z
), Some(0x734C_C2F2_A521));
102 assert_eq
!((z
).checked_mul(z
), Some(0x734C_C2F2_A521));
103 assert_eq
!((k
).checked_mul(k
), None
);
104 let l
: i128
= b(i128
::min_value());
106 assert_eq
!(l
.checked_sub(b(2)), None
);
107 assert_eq
!(l
.checked_add(l
), None
);
108 assert_eq
!((-(l
+ 1)).checked_add(2), None
);
109 assert_eq
!(l
.checked_sub(l
), Some(0));
110 assert_eq
!(b(1u128).checked_shl(b(127)), Some(1 << 127));
111 assert_eq
!(o
.checked_shl(b(128)), None
);
113 // https://github.com/rust-lang/rust/issues/41228
114 assert_eq
!(b(-87559967289969187895646876466835277875_i128) /
115 b(84285771033834995895337664386045050880_i128),
118 // iter-arithmetic traits
119 assert_eq
!(10i128, [1i128, 2, 3, 4].iter().sum());
120 assert_eq
!(24i128, [1i128, 2, 3, 4].iter().product());