kc3-lang/libtommath/mp_abs.c

• Show log

  Commit

• Hash : 7a68f128
  Author :
  Date : 2019-10-19T16:24:39
  

  Execute move.sh - Rename files from bn_* to match the function names. * git blame <renamed-file> is not affected * git log --follow <renamed-file> can be used to show log across renames

Download

• mp_abs.c

• #include "tommath_private.h"
  #ifdef MP_ABS_C
  /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  /* SPDX-License-Identifier: Unlicense */
  
  /* b = |a|
   *
   * Simple function copies the input and fixes the sign to positive
   */
  mp_err mp_abs(const mp_int *a, mp_int *b)
  {
     mp_err     err;
  
     /* copy a to b */
     if (a != b) {
        if ((err = mp_copy(a, b)) != MP_OKAY) {
           return err;
        }
     }
  
     /* force the sign of b to positive */
     b->sign = MP_ZPOS;
  
     return MP_OKAY;
  }
  #endif
  

Download