pub const fn fiat_p521_carry_sub(
out1: &mut fiat_p521_tight_field_element,
arg1: &fiat_p521_tight_field_element,
arg2: &fiat_p521_tight_field_element,
)Expand description
The function fiat_p521_carry_sub subtracts two field elements.
Postconditions: eval out1 mod m = (eval arg1 - eval arg2) mod m