X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=Nary.xs;h=285bfc39973766318639023337c2f0916e90fb0f;hb=d625b2c0b187b0a423dfdcf5d96d783555bcc560;hp=bcdde48999c3c4fc881ee43c181495fe4ca9d3c7;hpb=972e76e13b6f6e85c20493bddba2d1fd71fd57f8;p=perl%2Fmodules%2FSub-Nary.git

diff --git a/Nary.xs b/Nary.xs
index bcdde48..285bfc3 100644
--- a/Nary.xs
+++ b/Nary.xs
@@ -17,14 +17,12 @@ typedef struct {
 
 STATIC void sn_store(pTHX_ HV *tb, const char *key, I32 klen, SV *val, U32 hash) {
 #define sn_store(T, K, KL, V, H) sn_store(aTHX_ (T), (K), (KL), (V), (H))
- if (!hv_store(tb, key, klen, val, hash))
-  SvREFCNT_dec(val);
+ if (!hv_store(tb, key, klen, val, hash)) SvREFCNT_dec(val);
 }
 
 STATIC void sn_store_ent(pTHX_ HV *tb, SV *key, SV *val, U32 hash) {
 #define sn_store_ent(T, K, V, H) sn_store_ent(aTHX_ (T), (K), (V), (H))
- if (!hv_store_ent(tb, key, val, hash))
-  SvREFCNT_dec(val);
+ if (!hv_store_ent(tb, key, val, hash)) SvREFCNT_dec(val);
 }
 
 
@@ -218,14 +216,18 @@ CODE:
  sv = SvRV(sv);
  if (!hv_iterinit((HV *) sv))
   XSRETURN_UNDEF;
- c = 1;
- a = c0;
- for (; n > 0; n /= 2) {
-  if (n % 2)
-   c *= a;
-  a *= a;
+ if (c0 == 1 || (SvIOK(csv) && SvIV(csv) == 1)) {
+  c = n;
+ } else {
+  c = 1;
+  a = c0;
+  for (; n > 0; n /= 2) {
+   if (n % 2)
+    c *= a;
+   a *= a;
+  }
+  c = (1 - c) / (1 - c0);
  }
- c = (1 - c) / (1 - c0);
  res = newHV();
  while (key = hv_iternext((HV *) sv)) {
   SV *k   = HeSVKEY_force(key);