Function fiat_p521_cmovznz_u64 

pub const fn fiat_p521_cmovznz_u64(
    out1: &mut u64,
    arg1: u8,
    arg2: u64,
    arg3: u64,
)

The function fiat_p521_cmovznz_u64 is a single-word conditional move.

Postconditions: out1 = (if arg1 = 0 then arg2 else arg3)

Input Bounds: arg1: [0x0 ~> 0x1] arg2: [0x0 ~> 0xffffffffffffffff] arg3: [0x0 ~> 0xffffffffffffffff] Output Bounds: out1: [0x0 ~> 0xffffffffffffffff]