From d5955db9604a2eb9224941b5200648120b22fc82 Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Sun, 31 Jul 2011 20:20:10 +0700
Subject: Added new APIs to integer vector.

---
 src/misc/vec/vecInt.h | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'src/misc/vec/vecInt.h')

diff --git a/src/misc/vec/vecInt.h b/src/misc/vec/vecInt.h
index d222bafd..04f41b5b 100644
--- a/src/misc/vec/vecInt.h
+++ b/src/misc/vec/vecInt.h
@@ -63,6 +63,8 @@ struct Vec_Int_t_
     for ( i = Vec_IntSize(vVec) - 1; (i >= 0) && (((pEntry) = Vec_IntEntry(vVec, i)), 1); i-- )
 #define Vec_IntForEachEntryTwo( vVec1, vVec2, Entry1, Entry2, i )                                               \
     for ( i = 0; (i < Vec_IntSize(vVec1)) && (((Entry1) = Vec_IntEntry(vVec1, i)), 1) && (((Entry2) = Vec_IntEntry(vVec2, i)), 1); i++ )
+#define Vec_IntForEachEntryDouble( vVec, Entry1, Entry2, i )                                               \
+    for ( i = 0; (2*i+1 < Vec_IntSize(vVec)) && (((Entry1) = Vec_IntEntry(vVec, 2*i)), 1) && (((Entry2) = Vec_IntEntry(vVec, 2*i+1)), 1); i += 2 )
 
 ////////////////////////////////////////////////////////////////////////
 ///                     FUNCTION DEFINITIONS                         ///
@@ -904,6 +906,44 @@ static inline int Vec_IntSum( Vec_Int_t * p )
     return Counter;
 }
 
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+static inline int Vec_IntCountZero( Vec_Int_t * p ) 
+{
+    int i, Counter = 0;
+    for ( i = 0; i < p->nSize; i++ )
+        Counter += (p->pArray[i] == 0);
+    return Counter;
+}
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+static inline int Vec_IntCountPositive( Vec_Int_t * p ) 
+{
+    int i, Counter = 0;
+    for ( i = 0; i < p->nSize; i++ )
+        Counter += (p->pArray[i] > 0);
+    return Counter;
+}
+
 /**Function*************************************************************
 
   Synopsis    [Counts the number of common entries.]
-- 
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