Function fiat_crypto::p256_64::fiat_p256_opp

pub fn fiat_p256_opp(
    out1: &mut fiat_p256_montgomery_domain_field_element,
    arg1: &fiat_p256_montgomery_domain_field_element
)

The function fiat_p256_opp negates a field element in the Montgomery domain.

Preconditions: 0 ≤ eval arg1 < m Postconditions: eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m 0 ≤ eval out1 < m