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Merge pull request #6457 from hoshiumiarata/fix_division_of_smallint_by_bigint

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Yukihiro "Matz" Matsumoto
2024-12-13 14:23:52 +09:00
committed by GitHub
parent 917066647e 6fb93ce6f7
commit b561abd46b
1 changed files with 10 additions and 2 deletions
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mrbgems/mruby-bigint/core/bigint.c
+10 -2
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@@ -589,8 +589,12 @@ mpz_mdiv(mrb_state *mrb, mpz_t *q, mpz_t *x, mpz_t *y)
if (uzero_p(q))
q->sn = 0;
/* now if r != 0 and q < 0 we need to round q towards -inf */
if (!uzero_p(&r) && qsign < 0)
if (!uzero_p(&r) && qsign < 0) {
/* add 1 to magnitude */
mpz_add_int(mrb, q, 1);
/* force negative sign in case the value of q was zero before rounding */
q->sn = -1;
}
mpz_clear(mrb, &r);
}
@@ -654,8 +658,12 @@ mpz_mdivmod(mrb_state *mrb, mpz_t *q, mpz_t *r, mpz_t *x, mpz_t *y)
if (uzero_p(q))
q->sn = 0;
/* now if r != 0 and q < 0 we need to round q towards -inf */
if (!uzero_p(r) && qsign < 0)
if (!uzero_p(r) && qsign < 0) {
/* add 1 to magnitude */
mpz_add_int(mrb, q, 1);
/* force negative sign in case the value of q was zero before rounding */
q->sn = -1;
}
}
static void