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Don't gc release until after normalizing ratios.

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Fixes issue #171.
This commit is contained in:
Alex Shinn 2013-01-23 22:07:33 +09:00
parent 8f956416fc
commit 7dfad8a293
1 changed files with 6 additions and 3 deletions
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9
bignum.c
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@ -562,8 +562,9 @@ sexp sexp_ratio_add (sexp ctx, sexp a, sexp b) {
num = sexp_add(ctx, num, den); num = sexp_add(ctx, num, den);
den = sexp_mul(ctx, sexp_ratio_denominator(a), sexp_ratio_denominator(b)); den = sexp_mul(ctx, sexp_ratio_denominator(a), sexp_ratio_denominator(b));
res = sexp_make_ratio(ctx, num, den); res = sexp_make_ratio(ctx, num, den);
res = sexp_ratio_normalize(ctx, res, SEXP_FALSE);
sexp_gc_release3(ctx); sexp_gc_release3(ctx);
return sexp_ratio_normalize(ctx, res, SEXP_FALSE); return res;
} }
sexp sexp_ratio_mul (sexp ctx, sexp a, sexp b) { sexp sexp_ratio_mul (sexp ctx, sexp a, sexp b) {
@ -572,8 +573,9 @@ sexp sexp_ratio_mul (sexp ctx, sexp a, sexp b) {
num = sexp_mul(ctx, sexp_ratio_numerator(a), sexp_ratio_numerator(b)); num = sexp_mul(ctx, sexp_ratio_numerator(a), sexp_ratio_numerator(b));
den = sexp_mul(ctx, sexp_ratio_denominator(a), sexp_ratio_denominator(b)); den = sexp_mul(ctx, sexp_ratio_denominator(a), sexp_ratio_denominator(b));
res = sexp_make_ratio(ctx, num, den); res = sexp_make_ratio(ctx, num, den);
res = sexp_ratio_normalize(ctx, res, SEXP_FALSE);
sexp_gc_release3(ctx); sexp_gc_release3(ctx);
return sexp_ratio_normalize(ctx, res, SEXP_FALSE); return res;
} }
sexp sexp_ratio_div (sexp ctx, sexp a, sexp b) { sexp sexp_ratio_div (sexp ctx, sexp a, sexp b) {
@ -582,8 +584,9 @@ sexp sexp_ratio_div (sexp ctx, sexp a, sexp b) {
num = sexp_mul(ctx, sexp_ratio_numerator(a), sexp_ratio_denominator(b)); num = sexp_mul(ctx, sexp_ratio_numerator(a), sexp_ratio_denominator(b));
den = sexp_mul(ctx, sexp_ratio_denominator(a), sexp_ratio_numerator(b)); den = sexp_mul(ctx, sexp_ratio_denominator(a), sexp_ratio_numerator(b));
res = sexp_make_ratio(ctx, num, den); res = sexp_make_ratio(ctx, num, den);
res = sexp_ratio_normalize(ctx, res, SEXP_FALSE);
sexp_gc_release3(ctx); sexp_gc_release3(ctx);
return sexp_ratio_normalize(ctx, res, SEXP_FALSE); return res;
} }
sexp sexp_ratio_compare (sexp ctx, sexp a, sexp b) { sexp sexp_ratio_compare (sexp ctx, sexp a, sexp b) {