// Copyright 2016 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // ignore-emscripten i128 doesn't work // compile-flags: -Z borrowck=compare #![feature(i128_type, test)] extern crate test; use test::black_box as b; fn main() { let x: i128 = -1; assert_eq!(0, !x); let y: i128 = -2; assert_eq!(!1, y); let z: i128 = 0xABCD_EF; assert_eq!(z * z, 0x734C_C2F2_A521); assert_eq!(z * z * z * z, 0x33EE_0E2A_54E2_59DA_A0E7_8E41); assert_eq!(-z * -z, 0x734C_C2F2_A521); assert_eq!(-z * -z * -z * -z, 0x33EE_0E2A_54E2_59DA_A0E7_8E41); assert_eq!(-z + -z + -z + -z, -0x2AF3_7BC); let k: i128 = -0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210; assert_eq!(k + k, -0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420); assert_eq!(0, k - k); assert_eq!(-0x1234_5678_9ABC_DEFF_EDCB_A987_5A86_421, k + z); assert_eq!(-0x1000_0000_0000_0000_0000_0000_0000_000, k + 0x234_5678_9ABC_DEFF_EDCB_A987_6543_210); assert_eq!(-0x6EF5_DE4C_D3BC_2AAA_3BB4_CC5D_D6EE_8, k / 42); assert_eq!(-k, k / -1); assert_eq!(-0x91A2_B3C4_D5E6_F8, k >> 65); assert_eq!(-0xFDB9_7530_ECA8_6420_0000_0000_0000_0000, k << 65); assert!(k < z); assert!(y > k); assert!(y < x); assert_eq!(x as i64, -1); assert_eq!(z as i64, 0xABCD_EF); assert_eq!(k as i64, -0xFEDC_BA98_7654_3210); assert_eq!(k as u128, 0xFEDC_BA98_7654_3210_0123_4567_89AB_CDF0); assert_eq!(-k as u128, 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210); assert_eq!((-z as f64) as i128, -z); assert_eq!((-z as f32) as i128, -z); assert_eq!((-z as f64 * 16.0) as i128, -z * 16); assert_eq!((-z as f32 * 16.0) as i128, -z * 16); // Same stuff as above, but blackboxed, to force use of intrinsics let x: i128 = b(-1); assert_eq!(0, !x); let y: i128 = b(-2); assert_eq!(!1, y); let z: i128 = b(0xABCD_EF); assert_eq!(z * z, 0x734C_C2F2_A521); assert_eq!(z * z * z * z, 0x33EE_0E2A_54E2_59DA_A0E7_8E41); assert_eq!(-z * -z, 0x734C_C2F2_A521); assert_eq!(-z * -z * -z * -z, 0x33EE_0E2A_54E2_59DA_A0E7_8E41); assert_eq!(-z + -z + -z + -z, -0x2AF3_7BC); let k: i128 = b(-0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210); assert_eq!(k + k, -0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420); assert_eq!(0, k - k); assert_eq!(-0x1234_5678_9ABC_DEFF_EDCB_A987_5A86_421, k + z); assert_eq!(-0x1000_0000_0000_0000_0000_0000_0000_000, k + 0x234_5678_9ABC_DEFF_EDCB_A987_6543_210); assert_eq!(-0x6EF5_DE4C_D3BC_2AAA_3BB4_CC5D_D6EE_8, k / 42); assert_eq!(-k, k / -1); assert_eq!(-0x91A2_B3C4_D5E6_F8, k >> 65); assert_eq!(-0xFDB9_7530_ECA8_6420_0000_0000_0000_0000, k << 65); assert!(k < z); assert!(y > k); assert!(y < x); assert_eq!(x as i64, -1); assert_eq!(z as i64, 0xABCD_EF); assert_eq!(k as i64, -0xFEDC_BA98_7654_3210); assert_eq!(k as u128, 0xFEDC_BA98_7654_3210_0123_4567_89AB_CDF0); assert_eq!(-k as u128, 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210); assert_eq!((-z as f64) as i128, -z); assert_eq!((-z as f32) as i128, -z); assert_eq!((-z as f64 * 16.0) as i128, -z * 16); assert_eq!((-z as f32 * 16.0) as i128, -z * 16); // formatting let j: i128 = -(1 << 67); assert_eq!("-147573952589676412928", format!("{}", j)); assert_eq!("fffffffffffffff80000000000000000", format!("{:x}", j)); assert_eq!("3777777777777777777760000000000000000000000", format!("{:o}", j)); assert_eq!("1111111111111111111111111111111111111111111111111111111111111\ 0000000000000000000000000000000000000000000000000000000000000000000", format!("{:b}", j)); assert_eq!("-147573952589676412928", format!("{:?}", j)); // common traits assert_eq!(x, b(x.clone())); // overflow checks assert_eq!((-z).checked_mul(-z), Some(0x734C_C2F2_A521)); assert_eq!((z).checked_mul(z), Some(0x734C_C2F2_A521)); assert_eq!((k).checked_mul(k), None); let l: i128 = b(i128::min_value()); let o: i128 = b(17); assert_eq!(l.checked_sub(b(2)), None); assert_eq!(l.checked_add(l), None); assert_eq!((-(l + 1)).checked_add(2), None); assert_eq!(l.checked_sub(l), Some(0)); assert_eq!(b(1u128).checked_shl(b(127)), Some(1 << 127)); assert_eq!(o.checked_shl(b(128)), None); // https://github.com/rust-lang/rust/issues/41228 assert_eq!(b(-87559967289969187895646876466835277875_i128) / b(84285771033834995895337664386045050880_i128), -1i128); // iter-arithmetic traits assert_eq!(10i128, [1i128, 2, 3, 4].iter().sum()); assert_eq!(24i128, [1i128, 2, 3, 4].iter().product()); }