Plan 9 from Bell Labs’s /usr/web/sources/contrib/anothy/src/lib/djb-ape/tai/taia_add.c

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


#include "taia.h"

/* XXX: breaks tai encapsulation */

void taia_add(struct taia *t,struct taia *u,struct taia *v)
{
  t->sec.x = u->sec.x + v->sec.x;
  t->nano = u->nano + v->nano;
  t->atto = u->atto + v->atto;
  if (t->atto > 999999999UL) {
    t->atto -= 1000000000UL;
    ++t->nano;
  }
  if (t->nano > 999999999UL) {
    t->nano -= 1000000000UL;
    ++t->sec.x;
  }
}

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