Changeset becbea in git

Timestamp:

Oct 23, 2012, 1:19:08 PM (11 years ago)

Author:

Oleksandr Motsak <motsak@…>

Branches:

(u'jengelh-datetime', 'ceac47cbc86fe4a15902392bdbb9bd2ae0ea02c6')(u'spielwiese', '0604212ebb110535022efecad887940825b97c3f')

Children:

1130ffcea9f0651b2cb15d5f7ea1758fc8cf75aaafbebe815ce0191aef7599e15334f3dca1757b2d

Parents:

a35572368be51d820a1f6caf655d85506e77ec52314f0a2563593c2ed06d4bf520c64eabc6b2c701

Message:

Merge pull request #196 from mmklee/factory64bitsw

fix: better multiplication on 32bit machines

File:

• factory/imm.h (modified) (2 diffs)

factory/imm.h

@@ -301 +301 @@
     long b = imm2int( rhs );
     INT64 result = (INT64)a * (INT64)b;
+    #if SIZEOF_LONG == 4
+    if ((result>(INT64)MAXIMMEDIATE)||(result<(INT64)MINIMMEDIATE))
+    {
+        InternalCF * res = CFFactory::basic( IntegerDomain, a, true );
+        return res->mulcoeff( rhs );
+    }
+    #else
     if ( ( a!=0L ) && ((result/a!=b)
       ||(result>MAXIMMEDIATE)||(result<MINIMMEDIATE) ) )
@@ -307 +314 @@
         return res->mulcoeff( rhs );
     }
+    #endif
     else
         return int2imm( result );