Function fiat_crypto::poly1305_64::fiat_poly1305_subborrowx_u43

pub fn fiat_poly1305_subborrowx_u43(
    out1: &mut u64,
    out2: &mut fiat_poly1305_u1,
    arg1: fiat_poly1305_u1,
    arg2: u64,
    arg3: u64
)

The function fiat_poly1305_subborrowx_u43 is a subtraction with borrow.

Postconditions: out1 = (-arg1 + arg2 + -arg3) mod 2^43 out2 = -⌊(-arg1 + arg2 + -arg3) / 2^43⌋

Input Bounds: arg1: [0x0 ~> 0x1] arg2: [0x0 ~> 0x7ffffffffff] arg3: [0x0 ~> 0x7ffffffffff] Output Bounds: out1: [0x0 ~> 0x7ffffffffff] out2: [0x0 ~> 0x1]