#ifndef ELEMENTENCODING_H
#define ELEMENTENCODING_H
#include "classlist.h"
+#include "naiveencoder.h"
+#include "constraint.h"
-enum ElementEncodingType {
- ONEHOT, UNARY, BINARYINDEX, ONEHOTBINARY, BINARYVAL
-};
+class ElementEncoding {
+public:
+ ElementEncoding(Element *element);
+ ElementEncodingType getElementEncodingType() {return type;}
+ ~ElementEncoding();
+ void setElementEncodingType(ElementEncodingType type);
+ void deleteElementEncoding();
+ void allocEncodingArrayElement(uint size);
+ void allocInUseArrayElement(uint size);
+ uint numEncodingVars() {return numVars;}
+ bool isinUseElement(uint offset) { return (inUseArray[(offset >> 6)] >> (offset & 63)) & 0x1;}
+ void setInUseElement(uint offset) {inUseArray[(offset >> 6)] |= 1 << (offset & 63);}
+ void encodingArrayInitialization();
+ uint getSizeEncodingArray(uint setSize) {
+ switch (type) {
+ case BINARYINDEX:
+ return NEXTPOW2(setSize);
+ case ONEHOT:
+ case UNARY:
+ return setSize;
+ default:
+ ASSERT(0);
+ }
+ return -1;
+ }
-typedef enum ElementEncodingType ElementEncodingType;
-struct ElementEncoding {
ElementEncodingType type;
- Element * element;
- Boolean ** variables; /* List Variables Use To Encode Element */
- uint64_t * encodingArray; /* List the Variables in the appropriate order */
- uint numVars; /* Number of variables */
+ Element *element;
+ Edge *variables;/* List Variables Used To Encode Element */
+ union {
+ struct {
+ uint64_t *encodingArray; /* List the Variables in the appropriate order */
+ uint64_t *inUseArray; /* Bitmap to track variables in use */
+ uint encArraySize;
+ };
+ struct {
+ uint64_t offset;/* Value = offset + encoded number (interpretted according to isBinaryValSigned) */
+ uint64_t low;/* Lowest value to encode */
+ uint64_t high;/* High value to encode. If low > high, we assume wrap around to include 0. */
+ uint numBits;
+ bool isBinaryValSigned;
+ };
+ };
+ uint numVars; /* Number of variables */
+ CMEMALLOC;
};
-ElementEncoding * allocElementEncoding(ElementEncodingType type, Element *element);
-void deleteElementEncoding(ElementEncoding *this);
+
+
#endif