lemma_u32_ilog2_to32

Function lemma_u32_ilog2_to32 

Source
pub proof fn lemma_u32_ilog2_to32()
Expand description
ensures
(0x1 as u32).ilog2() == 0,
(0x2 as u32).ilog2() == 1,
(0x4 as u32).ilog2() == 2,
(0x8 as u32).ilog2() == 3,
(0x10 as u32).ilog2() == 4,
(0x20 as u32).ilog2() == 5,
(0x40 as u32).ilog2() == 6,
(0x80 as u32).ilog2() == 7,
(0x100 as u32).ilog2() == 8,
(0x200 as u32).ilog2() == 9,
(0x400 as u32).ilog2() == 10,
(0x800 as u32).ilog2() == 11,
(0x1000 as u32).ilog2() == 12,
(0x2000 as u32).ilog2() == 13,
(0x4000 as u32).ilog2() == 14,
(0x8000 as u32).ilog2() == 15,
(0x10000 as u32).ilog2() == 16,
(0x20000 as u32).ilog2() == 17,
(0x40000 as u32).ilog2() == 18,
(0x80000 as u32).ilog2() == 19,
(0x100000 as u32).ilog2() == 20,
(0x200000 as u32).ilog2() == 21,
(0x400000 as u32).ilog2() == 22,
(0x800000 as u32).ilog2() == 23,
(0x1000000 as u32).ilog2() == 24,
(0x2000000 as u32).ilog2() == 25,
(0x4000000 as u32).ilog2() == 26,
(0x8000000 as u32).ilog2() == 27,
(0x10000000 as u32).ilog2() == 28,
(0x20000000 as u32).ilog2() == 29,
(0x40000000 as u32).ilog2() == 30,
(0x80000000 as u32).ilog2() == 31,