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A followup patch for bignum addition carrying from Lorenzo.

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Alex Shinn 2013-01-03 23:02:59 +09:00
parent df116bb779
commit 1012f7e129
1 changed files with 1 additions and 1 deletions
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bignum.c
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@ -341,7 +341,7 @@ sexp sexp_bignum_add_digits (sexp ctx, sexp dst, sexp a, sexp b) {
for (i=0; i<blen; i++) {
n = adata[i];
cdata[i] = n + bdata[i] + carry;
carry = (n > (SEXP_UINT_T_MAX - bdata[i]) ? 1 : 0);
carry = (n > (SEXP_UINT_T_MAX - bdata[i] - carry) ? 1 : 0);
}
for ( ; carry && (i<alen); i++) {
carry = (cdata[i] == SEXP_UINT_T_MAX ? 1 : 0);