Changeset f489bea in git for libpolys

Timestamp:

Dec 14, 2012, 4:46:09 PM (11 years ago)

Author:

Martin Lee <martinlee84@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

0486a3f557b13057ce2046dfee2f6fabc0dad2ac

Parents:

ea25bc7eab91185a4ce3010da5a5cdc016da2dbf

Message:

fix: init of Z/2^m

File:

• libpolys/coeffs/rmodulo2m.cc (modified) (3 diffs)

libpolys/coeffs/rmodulo2m.cc

@@ -51 +51 @@
   r->nCoeffIsEqual = nr2mCoeffIsEqual;
 
+  r->modBase = (int_number) omAlloc(sizeof(mpz_t));
+  mpz_init_set_si (r->modBase, 2L);
   r->ringtype = 1;
 
@@ -649 +651 @@
     /* we want mod2mMask to be the bit pattern
        '111..1' consisting of m one's: */
+    r->modExponent= m;
     r->mod2mMask = 1;
     for (int i = 1; i < m; i++) r->mod2mMask = (r->mod2mMask << 1) + 1;
@@ -654 +657 @@
   else
   {
+    r->modExponent= 2;
     /* code unexpectedly called with m = 1; we continue with m = 2: */
     r->mod2mMask = 3; /* i.e., '11' in binary representation */