Changeset d51f0bf in git

Timestamp:

Dec 17, 2012, 3:05:20 PM (10 years ago)

Author:

Martin Lee <martinlee84@…>

Branches:

(u'spielwiese', '0d6b7fcd9813a1ca1ed4220cfa2b104b97a0a003')

Children:

5a0b785558595817048e1eed869a46cafea30cb8

Parents:

c7d05f38d44b5e23ae1cbca6a0cca7738a729ab2

Message:

fix: nr2mSetMap

File:

• libpolys/coeffs/rmodulo2m.cc (modified) (1 diff)

libpolys/coeffs/rmodulo2m.cc

@@ -627 +627 @@
   if (nCoeff_is_Ring_PtoM(src) || nCoeff_is_Ring_ModN(src))
   {
-    // Computing the n of Z/n
-    int_number modul = (int_number)omAllocBin(gmp_nrz_bin);
-    mpz_init_set(modul, src->modNumber);
-    int_number twoToTheK = (int_number)omAllocBin(gmp_nrz_bin);
-    mpz_init_set_ui(twoToTheK, src->mod2mMask);
-    mpz_add_ui(twoToTheK, twoToTheK, 1);
-    if (mpz_divisible_p(modul, twoToTheK))
-    {
-      mpz_clear(modul);     omFree((void *)modul);
-      mpz_clear(twoToTheK); omFree((void *)twoToTheK);
+    if (mpz_divisible_2exp_p(src->modNumber,dst->modExponent))
       return nr2mMapGMP;
-    }
-    mpz_clear(modul);     omFree((void *) modul);
-    mpz_clear(twoToTheK); omFree((void *)twoToTheK);
   }
   return NULL;      // default