X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=swcsa%2Futils%2FkBitArray.c;fp=swcsa%2Futils%2FkBitArray.c;h=23af26549e406115d7aa6e7feb3b518293b0fac4;hb=102e33b134075765e6d4e0c38bc1307568ce5602;hp=0000000000000000000000000000000000000000;hpb=ed61d2042a7ad7dd83bae32d7c31e69504dafa80;p=SXSI%2FTextCollection.git

diff --git a/swcsa/utils/kBitArray.c b/swcsa/utils/kBitArray.c
new file mode 100755
index 0000000..23af265
--- /dev/null
+++ b/swcsa/utils/kBitArray.c
@@ -0,0 +1,59 @@
+ #include "kBitArray.h"
+ 
+/*-----------------------------------------------------------------
+ Initilization of the kBitArray
+ ---------------------------------------------------------------- */ 
+ t_kBitArray create_kBitArray (uint size, uint elemSize) {
+ 	uint bitsNeeded; 
+ 	t_kBitArray	 V;
+ 	
+ 	V = (t_kBitArray) malloc (sizeof(struct akbitArr));
+ 	bitsNeeded = size * elemSize;
+ 	V->totalInts = ((bitsNeeded+W-1)/W);
+ 	V->data = (uint *) malloc((V->totalInts) * sizeof(uint));
+	V->data[V->totalInts-1]=0000; /** avoids valgrind to blame*/
+ 	V->size = size;
+ 	V->elemSize= elemSize;
+ 	printf("\nKbitVector[0,%d), of elemSize = %u initialized\n",V->size,V->elemSize);
+ 	printf("\ntotalInts = %u, size = %u  elemSize = %u\n",V->totalInts,V->size,V->elemSize);
+ 	return V;
+}
+
+uint getKBitArray(t_kBitArray V, register uint i) {
+	register uint eSize = V->elemSize;
+	register uint answ;
+	register uint pos = i * eSize;
+	mybitread(answ, V->data, pos, eSize);
+	return (answ);
+	//return ( bitread(V->data,i * eSize,eSize)); 
+}
+
+uint getKBitArraySinMacro(t_kBitArray V, register uint i) {
+	register uint eSize = V->elemSize;
+	return ( bitread(V->data,i * eSize,eSize)); 
+}
+
+void setKBitArray(t_kBitArray V, uint i, uint value){
+	register uint eSize = V->elemSize;	
+	register uint pos = i * eSize;
+	mybitwrite(V->data, pos, eSize, value);
+}
+
+void setKBitArraySinMacro(t_kBitArray V, uint i, uint value){
+	register uint eSize = V->elemSize;
+	bitwrite(V->data,i *eSize, eSize, value);
+}
+
+/*-----------------------------------------------------------------
+ freeing resources
+ ---------------------------------------------------------------- */ 
+void destroy_kBitArray (t_kBitArray kBitArray) {
+	uint total;
+	total = (kBitArray->totalInts) * sizeof(uint);
+	
+	free(kBitArray->data);
+	free(kBitArray);	
+	printf("\n[destroying a Kbit array of size table]...Freed %u bytes... RAM", total);		
+}
+
+