2 files changed, 49 insertions, 0 deletions
diff --git a/src/misc/vec/vecInt.h b/src/misc/vec/vecInt.h
index ee848df7..5a627623 100644
--- a/src/misc/vec/vecInt.h
+++ b/src/misc/vec/vecInt.h
@@ -457,6 +457,33 @@ static inline void Vec_IntPush( Vec_Int_t * p, int Entry )
   SeeAlso     []
 
 ***********************************************************************/
+static inline void Vec_IntPushFirst( Vec_Int_t * p, int Entry )
+{
+    int i;
+    if ( p->nSize == p->nCap )
+    {
+        if ( p->nCap < 16 )
+            Vec_IntGrow( p, 16 );
+        else
+            Vec_IntGrow( p, 2 * p->nCap );
+    }
+    p->nSize++;
+    for ( i = p->nSize - 1; i >= 1; i-- )
+        p->pArray[i] = p->pArray[i-1];
+    p->pArray[0] = Entry;
+}
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
 static inline void Vec_IntPushMem( Extra_MmStep_t * pMemMan, Vec_Int_t * p, int Entry )
 {
     if ( p->nSize == p->nCap )
diff --git a/src/misc/vec/vecVec.h b/src/misc/vec/vecVec.h
index 8518184a..54dcaa37 100644
--- a/src/misc/vec/vecVec.h
+++ b/src/misc/vec/vecVec.h
@@ -123,6 +123,28 @@ static inline Vec_Vec_t * Vec_VecStart( int nSize )
 
 /**Function*************************************************************
 
+  Synopsis    [Allocates a vector with the given capacity.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+static inline void Vec_VecExpand( Vec_Vec_t * p, int Level )
+{
+    int i;
+    if ( p->nSize >= Level + 1 )
+        return;
+    Vec_PtrGrow( (Vec_Ptr_t *)p, Level + 1 );
+    for ( i = p->nSize; i <= Level; i++ )
+        p->pArray[i] = Vec_PtrAlloc( 0 );
+    p->nSize = Level + 1;
+}
+
+/**Function*************************************************************
+
   Synopsis    []
 
   Description []