LCOV - code coverage report
Current view: top level - third_party/heimdal/lib/hcrypto/libtommath - bn_mp_neg.c (source / functions) Hit Total Coverage
Test: coverage report for master 2f515e9b Lines: 0 9 0.0 %
Date: 2024-04-21 15:09:00 Functions: 0 1 0.0 %

          Line data    Source code
       1             : #include "tommath_private.h"
       2             : #ifdef BN_MP_NEG_C
       3             : /* LibTomMath, multiple-precision integer library -- Tom St Denis */
       4             : /* SPDX-License-Identifier: Unlicense */
       5             : 
       6             : /* b = -a */
       7           0 : mp_err mp_neg(const mp_int *a, mp_int *b)
       8             : {
       9           0 :    mp_err err;
      10           0 :    if (a != b) {
      11           0 :       if ((err = mp_copy(a, b)) != MP_OKAY) {
      12           0 :          return err;
      13             :       }
      14             :    }
      15             : 
      16           0 :    if (!MP_IS_ZERO(b)) {
      17           0 :       b->sign = (a->sign == MP_ZPOS) ? MP_NEG : MP_ZPOS;
      18             :    } else {
      19           0 :       b->sign = MP_ZPOS;
      20             :    }
      21             : 
      22           0 :    return MP_OKAY;
      23             : }
      24             : #endif

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