pub fn fiat_secp256k1_montgomery_opp(
out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element,
arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element
)Expand description
The function fiat_secp256k1_montgomery_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