tfhe 1.6.1

TFHE-rs is a fully homomorphic encryption (FHE) library that implements Zama's variant of TFHE.
Documentation 
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use super::{ShortintCiphertext, ShortintServerKey};
use crate::c_api::utils::*;
use std::os::raw::c_int;

#[no_mangle]
pub unsafe extern "C" fn shortint_server_key_smart_neg(
    server_key: *const ShortintServerKey,
    ct_left: *mut ShortintCiphertext,
    result: *mut *mut ShortintCiphertext,
) -> c_int {
    catch_panic(|| {
        check_ptr_is_non_null_and_aligned(result).unwrap();

        let server_key = get_ref_checked(server_key).unwrap();
        let ct_left = get_mut_checked(ct_left).unwrap();

        let res = server_key.0.smart_neg(&mut ct_left.0);

        let heap_allocated_ct_result = Box::new(ShortintCiphertext(res));

        *result = Box::into_raw(heap_allocated_ct_result);
    })
}

#[no_mangle]
pub unsafe extern "C" fn shortint_server_key_unchecked_neg(
    server_key: *const ShortintServerKey,
    ct_left: *const ShortintCiphertext,
    result: *mut *mut ShortintCiphertext,
) -> c_int {
    catch_panic(|| {
        check_ptr_is_non_null_and_aligned(result).unwrap();

        let server_key = get_ref_checked(server_key).unwrap();
        let ct_left = get_ref_checked(ct_left).unwrap();

        let res = server_key.0.unchecked_neg(&ct_left.0);

        let heap_allocated_ct_result = Box::new(ShortintCiphertext(res));

        *result = Box::into_raw(heap_allocated_ct_result);
    })
}

#[no_mangle]
pub unsafe extern "C" fn shortint_server_key_smart_neg_assign(
    server_key: *const ShortintServerKey,
    ct_left_and_result: *mut ShortintCiphertext,
) -> c_int {
    catch_panic(|| {
        let server_key = get_ref_checked(server_key).unwrap();
        let ct_left_and_result = get_mut_checked(ct_left_and_result).unwrap();

        server_key.0.smart_neg_assign(&mut ct_left_and_result.0);
    })
}

#[no_mangle]
pub unsafe extern "C" fn shortint_server_key_unchecked_neg_assign(
    server_key: *const ShortintServerKey,
    ct_left_and_result: *mut ShortintCiphertext,
) -> c_int {
    catch_panic(|| {
        let server_key = get_ref_checked(server_key).unwrap();
        let ct_left_and_result = get_mut_checked(ct_left_and_result).unwrap();

        server_key.0.unchecked_neg_assign(&mut ct_left_and_result.0);
    })
}