Module malachite_base::num::logic::bit_block_access

BitBlockAccess, a trait for getting and setting adjacent blocks of bits in a number.

get_bits

use malachite_base::num::logic::traits::BitBlockAccess;

assert_eq!(0xabcdu16.get_bits(4, 8), 0xc);
assert_eq!(0xabcdu16.get_bits(12, 100), 0xa);
assert_eq!(0xabcdu16.get_bits(5, 9), 14);
assert_eq!(0xabcdu16.get_bits(5, 5), 0);
assert_eq!(0xabcdu16.get_bits(100, 200), 0);

assert_eq!((-0x5433i16).get_bits(4, 8), 0xc);
assert_eq!((-0x5433i16).get_bits(5, 9), 14);
assert_eq!((-0x5433i16).get_bits(5, 5), 0);
assert_eq!((-0x5433i16).get_bits(100, 104), 0xf);

assign_bits

use malachite_base::num::logic::traits::BitBlockAccess;

let mut x = 0xab5du16;
x.assign_bits(4, 8, &0xc);
assert_eq!(x, 0xabcd);

let mut x = 0xabcdu16;
x.assign_bits(100, 200, &0);
assert_eq!(x, 0xabcd);

let mut x = 0xabcdu16;
x.assign_bits(0, 100, &0x1234);
assert_eq!(x, 0x1234);

let mut x = 0x2b5di16;
x.assign_bits(4, 8, &0xc);
assert_eq!(x, 0x2bcd);

let mut x = -0x5413i16;
x.assign_bits(4, 8, &0xc);
assert_eq!(x, -0x5433);

let mut x = -0x5433i16;
x.assign_bits(100, 104, &0xf);
assert_eq!(x, -0x5433);